Bump @types/node from 18.7.5 to 18.7.6 (#134)
[e-mobility-charging-stations-simulator.git] / src / charging-station / ChargingStation.ts
index cc0fd47f2ab9edd15f41d7202a1a4b0bab24cb38..d7dcdceec9428543c5957738912b541a61d47ddd 100644 (file)
 // Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
 
-import {
-  AvailabilityType,
-  BootNotificationRequest,
-  CachedRequest,
-  IncomingRequest,
-  IncomingRequestCommand,
-  RequestCommand,
-} from '../types/ocpp/Requests';
-import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses';
-import ChargingStationConfiguration, {
-  ConfigurationKey,
-} from '../types/ChargingStationConfiguration';
+import crypto from 'crypto';
+import fs from 'fs';
+import path from 'path';
+import { URL } from 'url';
+import { parentPort } from 'worker_threads';
+
+import WebSocket, { Data, RawData } from 'ws';
+
+import BaseError from '../exception/BaseError';
+import OCPPError from '../exception/OCPPError';
+import PerformanceStatistics from '../performance/PerformanceStatistics';
+import { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
+import ChargingStationConfiguration from '../types/ChargingStationConfiguration';
+import ChargingStationInfo from '../types/ChargingStationInfo';
+import ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration';
 import ChargingStationTemplate, {
   CurrentType,
   PowerUnits,
-  Voltage,
+  WsOptions,
 } from '../types/ChargingStationTemplate';
+import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
+import { SupervisionUrlDistribution } from '../types/ConfigurationData';
+import { ConnectorStatus } from '../types/ConnectorStatus';
+import { FileType } from '../types/FileType';
+import { JsonType } from '../types/JsonType';
+import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
+import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
+import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile';
 import {
   ConnectorPhaseRotation,
   StandardParametersKey,
   SupportedFeatureProfiles,
   VendorDefaultParametersKey,
 } from '../types/ocpp/Configuration';
-import { MeterValue, MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues';
+import { ErrorType } from '../types/ocpp/ErrorType';
+import { MessageType } from '../types/ocpp/MessageType';
+import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues';
+import { OCPPVersion } from '../types/ocpp/OCPPVersion';
+import {
+  AvailabilityType,
+  BootNotificationRequest,
+  CachedRequest,
+  HeartbeatRequest,
+  IncomingRequest,
+  IncomingRequestCommand,
+  MeterValuesRequest,
+  RequestCommand,
+  StatusNotificationRequest,
+} from '../types/ocpp/Requests';
+import {
+  BootNotificationResponse,
+  ErrorResponse,
+  HeartbeatResponse,
+  MeterValuesResponse,
+  RegistrationStatus,
+  Response,
+  StatusNotificationResponse,
+} from '../types/ocpp/Responses';
+import {
+  StopTransactionReason,
+  StopTransactionRequest,
+  StopTransactionResponse,
+} from '../types/ocpp/Transaction';
 import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import WebSocket, { ClientOptions, Data, OPEN, RawData } from 'ws';
-
-import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
-import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
-import { ChargingProfile } from '../types/ocpp/ChargingProfile';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
-import { ClientRequestArgs } from 'http';
 import Configuration from '../utils/Configuration';
-import { ConnectorStatus } from '../types/ConnectorStatus';
 import Constants from '../utils/Constants';
-import { ErrorType } from '../types/ocpp/ErrorType';
-import { FileType } from '../types/FileType';
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
 import FileUtils from '../utils/FileUtils';
-import { JsonType } from '../types/JsonType';
-import { MessageType } from '../types/ocpp/MessageType';
+import logger from '../utils/Logger';
+import Utils from '../utils/Utils';
+import AuthorizedTagsCache from './AuthorizedTagsCache';
+import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
+import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
+import { ChargingStationUtils } from './ChargingStationUtils';
 import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService';
 import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService';
 import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService';
 import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
-import OCPPError from '../exception/OCPPError';
 import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
 import OCPPRequestService from './ocpp/OCPPRequestService';
-import { OCPPVersion } from '../types/ocpp/OCPPVersion';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates';
-import { StopTransactionReason } from '../types/ocpp/Transaction';
-import { SupervisionUrlDistribution } from '../types/ConfigurationData';
-import { URL } from 'url';
-import Utils from '../utils/Utils';
-import crypto from 'crypto';
-import fs from 'fs';
-import logger from '../utils/Logger';
-import { parentPort } from 'worker_threads';
-import path from 'path';
+import SharedLRUCache from './SharedLRUCache';
 
 export default class ChargingStation {
-  public readonly id: string;
-  public readonly stationTemplateFile: string;
-  public authorizedTags: string[];
+  public hashId!: string;
+  public readonly templateFile: string;
+  public authorizedTagsCache: AuthorizedTagsCache;
   public stationInfo!: ChargingStationInfo;
   public readonly connectors: Map<number, ConnectorStatus>;
-  public configuration!: ChargingStationConfiguration;
+  public ocppConfiguration!: ChargingStationOcppConfiguration;
   public wsConnection!: WebSocket;
   public readonly requests: Map<string, CachedRequest>;
   public performanceStatistics!: PerformanceStatistics;
   public heartbeatSetInterval!: NodeJS.Timeout;
   public ocppRequestService!: OCPPRequestService;
+  public bootNotificationResponse!: BootNotificationResponse | null;
+  public powerDivider!: number;
   private readonly index: number;
   private configurationFile!: string;
+  private configurationFileHash!: string;
   private bootNotificationRequest!: BootNotificationRequest;
-  private bootNotificationResponse!: BootNotificationResponse | null;
   private connectorsConfigurationHash!: string;
   private ocppIncomingRequestService!: OCPPIncomingRequestService;
   private readonly messageBuffer: Set<string>;
-  private wsConfiguredConnectionUrl!: URL;
+  private configuredSupervisionUrl!: URL;
   private wsConnectionRestarted: boolean;
-  private stopped: boolean;
   private autoReconnectRetryCount: number;
+  private stopped: boolean;
+  private templateFileWatcher!: fs.FSWatcher;
+  private readonly sharedLRUCache: SharedLRUCache;
   private automaticTransactionGenerator!: AutomaticTransactionGenerator;
   private webSocketPingSetInterval!: NodeJS.Timeout;
 
-  constructor(index: number, stationTemplateFile: string) {
-    this.id = Utils.generateUUID();
+  constructor(index: number, templateFile: string) {
     this.index = index;
-    this.stationTemplateFile = stationTemplateFile;
+    this.templateFile = templateFile;
     this.stopped = false;
     this.wsConnectionRestarted = false;
     this.autoReconnectRetryCount = 0;
+    this.sharedLRUCache = SharedLRUCache.getInstance();
+    this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
     this.connectors = new Map<number, ConnectorStatus>();
     this.requests = new Map<string, CachedRequest>();
     this.messageBuffer = new Set<string>();
     this.initialize();
-    this.authorizedTags = this.getAuthorizedTags();
   }
 
-  get wsConnectionUrl(): URL {
-    return this.getSupervisionUrlOcppConfiguration()
-      ? new URL(
-          this.getConfigurationKey(this.getSupervisionUrlOcppKey()).value +
-            '/' +
-            this.stationInfo.chargingStationId
-        )
-      : this.wsConfiguredConnectionUrl;
+  private get wsConnectionUrl(): URL {
+    return new URL(
+      (this.getSupervisionUrlOcppConfiguration()
+        ? ChargingStationConfigurationUtils.getConfigurationKey(
+            this,
+            this.getSupervisionUrlOcppKey()
+          ).value
+        : this.configuredSupervisionUrl.href) +
+        '/' +
+        this.stationInfo.chargingStationId
+    );
   }
 
   public logPrefix(): string {
-    return Utils.logPrefix(` ${this.stationInfo.chargingStationId} |`);
+    return Utils.logPrefix(
+      ` ${
+        this?.stationInfo?.chargingStationId ??
+        ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())
+      } |`
+    );
   }
 
   public getBootNotificationRequest(): BootNotificationRequest {
@@ -121,12 +153,19 @@ export default class ChargingStation {
   }
 
   public getRandomIdTag(): string {
-    const index = Math.floor(Utils.secureRandom() * this.authorizedTags.length);
-    return this.authorizedTags[index];
+    const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo);
+    const index = Math.floor(
+      Utils.secureRandom() * this.authorizedTagsCache.getAuthorizedTags(authorizationFile).length
+    );
+    return this.authorizedTagsCache.getAuthorizedTags(authorizationFile)[index];
   }
 
   public hasAuthorizedTags(): boolean {
-    return !Utils.isEmptyArray(this.authorizedTags);
+    return !Utils.isEmptyArray(
+      this.authorizedTagsCache.getAuthorizedTags(
+        ChargingStationUtils.getAuthorizationFile(this.stationInfo)
+      )
+    );
   }
 
   public getEnableStatistics(): boolean | undefined {
@@ -139,11 +178,12 @@ export default class ChargingStation {
     return this.stationInfo.mayAuthorizeAtRemoteStart ?? true;
   }
 
-  public getNumberOfPhases(): number | undefined {
-    switch (this.getCurrentOutType()) {
+  public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined {
+    const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo;
+    switch (this.getCurrentOutType(stationInfo)) {
       case CurrentType.AC:
-        return !Utils.isUndefined(this.stationInfo.numberOfPhases)
-          ? this.stationInfo.numberOfPhases
+        return !Utils.isUndefined(localStationInfo.numberOfPhases)
+          ? localStationInfo.numberOfPhases
           : 3;
       case CurrentType.DC:
         return 0;
@@ -151,7 +191,7 @@ export default class ChargingStation {
   }
 
   public isWebSocketConnectionOpened(): boolean {
-    return this?.wsConnection?.readyState === OPEN;
+    return this?.wsConnection?.readyState === WebSocket.OPEN;
   }
 
   public getRegistrationStatus(): RegistrationStatus {
@@ -194,35 +234,53 @@ export default class ChargingStation {
     return this.connectors.get(id);
   }
 
-  public getCurrentOutType(): CurrentType | undefined {
-    return this.stationInfo.currentOutType ?? CurrentType.AC;
+  public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType {
+    return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC;
   }
 
   public getOcppStrictCompliance(): boolean {
-    return this.stationInfo.ocppStrictCompliance ?? false;
+    return this.stationInfo?.ocppStrictCompliance ?? false;
   }
 
-  public getVoltageOut(): number | undefined {
-    const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${
-      this.stationTemplateFile
-    }, cannot define default voltage out`;
-    let defaultVoltageOut: number;
-    switch (this.getCurrentOutType()) {
-      case CurrentType.AC:
-        defaultVoltageOut = Voltage.VOLTAGE_230;
-        break;
-      case CurrentType.DC:
-        defaultVoltageOut = Voltage.VOLTAGE_400;
-        break;
-      default:
-        logger.error(errMsg);
-        throw new Error(errMsg);
-    }
-    return !Utils.isUndefined(this.stationInfo.voltageOut)
-      ? this.stationInfo.voltageOut
+  public getVoltageOut(stationInfo?: ChargingStationInfo): number | undefined {
+    const defaultVoltageOut = ChargingStationUtils.getDefaultVoltageOut(
+      this.getCurrentOutType(stationInfo),
+      this.templateFile,
+      this.logPrefix()
+    );
+    const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo;
+    return !Utils.isUndefined(localStationInfo.voltageOut)
+      ? localStationInfo.voltageOut
       : defaultVoltageOut;
   }
 
+  public getConnectorMaximumAvailablePower(connectorId: number): number {
+    let connectorAmperageLimitationPowerLimit: number;
+    if (
+      !Utils.isNullOrUndefined(this.getAmperageLimitation()) &&
+      this.getAmperageLimitation() < this.stationInfo.maximumAmperage
+    ) {
+      connectorAmperageLimitationPowerLimit =
+        (this.getCurrentOutType() === CurrentType.AC
+          ? ACElectricUtils.powerTotal(
+              this.getNumberOfPhases(),
+              this.getVoltageOut(),
+              this.getAmperageLimitation() * this.getNumberOfConnectors()
+            )
+          : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation())) /
+        this.powerDivider;
+    }
+    const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
+    const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId);
+    return Math.min(
+      isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower,
+      isNaN(connectorAmperageLimitationPowerLimit)
+        ? Infinity
+        : connectorAmperageLimitationPowerLimit,
+      isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit
+    );
+  }
+
   public getTransactionIdTag(transactionId: number): string | undefined {
     for (const connectorId of this.connectors.keys()) {
       if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
@@ -232,27 +290,31 @@ export default class ChargingStation {
   }
 
   public getOutOfOrderEndMeterValues(): boolean {
-    return this.stationInfo.outOfOrderEndMeterValues ?? false;
+    return this.stationInfo?.outOfOrderEndMeterValues ?? false;
   }
 
   public getBeginEndMeterValues(): boolean {
-    return this.stationInfo.beginEndMeterValues ?? false;
+    return this.stationInfo?.beginEndMeterValues ?? false;
   }
 
   public getMeteringPerTransaction(): boolean {
-    return this.stationInfo.meteringPerTransaction ?? true;
+    return this.stationInfo?.meteringPerTransaction ?? true;
   }
 
   public getTransactionDataMeterValues(): boolean {
-    return this.stationInfo.transactionDataMeterValues ?? false;
+    return this.stationInfo?.transactionDataMeterValues ?? false;
   }
 
   public getMainVoltageMeterValues(): boolean {
-    return this.stationInfo.mainVoltageMeterValues ?? true;
+    return this.stationInfo?.mainVoltageMeterValues ?? true;
   }
 
   public getPhaseLineToLineVoltageMeterValues(): boolean {
-    return this.stationInfo.phaseLineToLineVoltageMeterValues ?? false;
+    return this.stationInfo?.phaseLineToLineVoltageMeterValues ?? false;
+  }
+
+  public getCustomValueLimitationMeterValues(): boolean {
+    return this.stationInfo?.customValueLimitationMeterValues ?? true;
   }
 
   public getConnectorIdByTransactionId(transactionId: number): number | undefined {
@@ -285,7 +347,8 @@ export default class ChargingStation {
   }
 
   public getAuthorizeRemoteTxRequests(): boolean {
-    const authorizeRemoteTxRequests = this.getConfigurationKey(
+    const authorizeRemoteTxRequests = ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
       StandardParametersKey.AuthorizeRemoteTxRequests
     );
     return authorizeRemoteTxRequests
@@ -294,100 +357,13 @@ export default class ChargingStation {
   }
 
   public getLocalAuthListEnabled(): boolean {
-    const localAuthListEnabled = this.getConfigurationKey(
+    const localAuthListEnabled = ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
       StandardParametersKey.LocalAuthListEnabled
     );
     return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
   }
 
-  public restartWebSocketPing(): void {
-    // Stop WebSocket ping
-    this.stopWebSocketPing();
-    // Start WebSocket ping
-    this.startWebSocketPing();
-  }
-
-  public getSampledValueTemplate(
-    connectorId: number,
-    measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER,
-    phase?: MeterValuePhase
-  ): SampledValueTemplate | undefined {
-    const onPhaseStr = phase ? `on phase ${phase} ` : '';
-    if (!Constants.SUPPORTED_MEASURANDS.includes(measurand)) {
-      logger.warn(
-        `${this.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
-      );
-      return;
-    }
-    if (
-      measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
-      !this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
-        measurand
-      )
-    ) {
-      logger.debug(
-        `${this.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${
-          StandardParametersKey.MeterValuesSampledData
-        }' OCPP parameter`
-      );
-      return;
-    }
-    const sampledValueTemplates: SampledValueTemplate[] =
-      this.getConnectorStatus(connectorId).MeterValues;
-    for (
-      let index = 0;
-      !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length;
-      index++
-    ) {
-      if (
-        !Constants.SUPPORTED_MEASURANDS.includes(
-          sampledValueTemplates[index]?.measurand ??
-            MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
-        )
-      ) {
-        logger.warn(
-          `${this.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
-        );
-      } else if (
-        phase &&
-        sampledValueTemplates[index]?.phase === phase &&
-        sampledValueTemplates[index]?.measurand === measurand &&
-        this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
-          measurand
-        )
-      ) {
-        return sampledValueTemplates[index];
-      } else if (
-        !phase &&
-        !sampledValueTemplates[index].phase &&
-        sampledValueTemplates[index]?.measurand === measurand &&
-        this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
-          measurand
-        )
-      ) {
-        return sampledValueTemplates[index];
-      } else if (
-        measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
-        (!sampledValueTemplates[index].measurand ||
-          sampledValueTemplates[index].measurand === measurand)
-      ) {
-        return sampledValueTemplates[index];
-      }
-    }
-    if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
-      const errorMsg = `${this.logPrefix()} Missing MeterValues for default measurand '${measurand}' in template on connectorId ${connectorId}`;
-      logger.error(errorMsg);
-      throw new Error(errorMsg);
-    }
-    logger.debug(
-      `${this.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
-    );
-  }
-
-  public getAutomaticTransactionGeneratorRequireAuthorize(): boolean {
-    return this.stationInfo.AutomaticTransactionGenerator.requireAuthorize ?? true;
-  }
-
   public startHeartbeat(): void {
     if (
       this.getHeartbeatInterval() &&
@@ -396,7 +372,10 @@ export default class ChargingStation {
     ) {
       // eslint-disable-next-line @typescript-eslint/no-misused-promises
       this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.HEARTBEAT);
+        await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>(
+          this,
+          RequestCommand.HEARTBEAT
+        );
       }, this.getHeartbeatInterval());
       logger.info(
         this.logPrefix() +
@@ -427,6 +406,13 @@ export default class ChargingStation {
     this.startHeartbeat();
   }
 
+  public restartWebSocketPing(): void {
+    // Stop WebSocket ping
+    this.stopWebSocketPing();
+    // Start WebSocket ping
+    this.startWebSocketPing();
+  }
+
   public startMeterValues(connectorId: number, interval: number): void {
     if (connectorId === 0) {
       logger.error(
@@ -466,11 +452,15 @@ export default class ChargingStation {
             this.getConnectorStatus(connectorId).transactionId,
             interval
           );
-          await this.ocppRequestService.sendMessageHandler(RequestCommand.METER_VALUES, {
-            connectorId,
-            transactionId: this.getConnectorStatus(connectorId).transactionId,
-            meterValue: [meterValue],
-          });
+          await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+            this,
+            RequestCommand.METER_VALUES,
+            {
+              connectorId,
+              transactionId: this.getConnectorStatus(connectorId).transactionId,
+              meterValue: [meterValue],
+            }
+          );
         },
         interval
       );
@@ -490,36 +480,25 @@ export default class ChargingStation {
       this.performanceStatistics.start();
     }
     this.openWSConnection();
-    // Monitor authorization file
-    FileUtils.watchJsonFile<string[]>(
-      this.logPrefix(),
-      FileType.Authorization,
-      this.getAuthorizationFile(),
-      this.authorizedTags
-    );
     // Monitor charging station template file
-    FileUtils.watchJsonFile(
+    this.templateFileWatcher = FileUtils.watchJsonFile(
       this.logPrefix(),
       FileType.ChargingStationTemplate,
-      this.stationTemplateFile,
+      this.templateFile,
       null,
       (event, filename): void => {
         if (filename && event === 'change') {
           try {
             logger.debug(
               `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
-                this.stationTemplateFile
+                this.templateFile
               } file have changed, reload`
             );
+            this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
             // Initialize
             this.initialize();
             // Restart the ATG
-            if (
-              !this.stationInfo.AutomaticTransactionGenerator.enable &&
-              this.automaticTransactionGenerator
-            ) {
-              this.automaticTransactionGenerator.stop();
-            }
+            this.stopAutomaticTransactionGenerator();
             this.startAutomaticTransactionGenerator();
             if (this.getEnableStatistics()) {
               this.performanceStatistics.restart();
@@ -536,33 +515,6 @@ export default class ChargingStation {
         }
       }
     );
-    FileUtils.watchJsonFile<ChargingStationConfiguration>(
-      this.logPrefix(),
-      FileType.ChargingStationConfiguration,
-      this.configurationFile,
-      this.configuration
-    );
-    // Handle WebSocket message
-    this.wsConnection.on(
-      'message',
-      this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
-    );
-    // Handle WebSocket error
-    this.wsConnection.on(
-      'error',
-      this.onError.bind(this) as (this: WebSocket, error: Error) => void
-    );
-    // Handle WebSocket close
-    this.wsConnection.on(
-      'close',
-      this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
-    );
-    // Handle WebSocket open
-    this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
-    // Handle WebSocket ping
-    this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
-    // Handle WebSocket pong
-    this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
     parentPort.postMessage({
       id: ChargingStationWorkerMessageEvents.STARTED,
       data: { id: this.stationInfo.chargingStationId },
@@ -574,7 +526,10 @@ export default class ChargingStation {
     await this.stopMessageSequence(reason);
     for (const connectorId of this.connectors.keys()) {
       if (connectorId > 0) {
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
+        await this.ocppRequestService.requestHandler<
+          StatusNotificationRequest,
+          StatusNotificationResponse
+        >(this, RequestCommand.STATUS_NOTIFICATION, {
           connectorId,
           status: ChargePointStatus.UNAVAILABLE,
           errorCode: ChargePointErrorCode.NO_ERROR,
@@ -582,12 +537,13 @@ export default class ChargingStation {
         this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE;
       }
     }
-    if (this.isWebSocketConnectionOpened()) {
-      this.wsConnection.close();
-    }
+    this.closeWSConnection();
     if (this.getEnableStatistics()) {
       this.performanceStatistics.stop();
     }
+    this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
+    this.templateFileWatcher.close();
+    this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
     this.bootNotificationResponse = null;
     parentPort.postMessage({
       id: ChargingStationWorkerMessageEvents.STOPPED,
@@ -596,82 +552,84 @@ export default class ChargingStation {
     this.stopped = true;
   }
 
-  public getConfigurationKey(
-    key: string | StandardParametersKey,
-    caseInsensitive = false
-  ): ConfigurationKey | undefined {
-    return this.configuration.configurationKey.find((configElement) => {
-      if (caseInsensitive) {
-        return configElement.key.toLowerCase() === key.toLowerCase();
-      }
-      return configElement.key === key;
-    });
+  public async reset(reason?: StopTransactionReason): Promise<void> {
+    await this.stop(reason);
+    await Utils.sleep(this.stationInfo.resetTime);
+    this.initialize();
+    this.start();
   }
 
-  public addConfigurationKey(
-    key: string | StandardParametersKey,
-    value: string,
-    options: { readonly?: boolean; visible?: boolean; reboot?: boolean } = {
-      readonly: false,
-      visible: true,
-      reboot: false,
-    },
-    params: { overwrite?: boolean; save?: boolean } = { overwrite: false, save: false }
-  ): void {
-    if (!options || Utils.isEmptyObject(options)) {
-      options = {
-        readonly: false,
-        visible: true,
-        reboot: false,
-      };
+  public saveOcppConfiguration(): void {
+    if (this.getOcppPersistentConfiguration()) {
+      this.saveConfiguration();
     }
-    const readonly = options.readonly;
-    const visible = options.visible;
-    const reboot = options.reboot;
-    let keyFound = this.getConfigurationKey(key);
-    if (keyFound && params?.overwrite) {
-      this.configuration.configurationKey.splice(
-        this.configuration.configurationKey.indexOf(keyFound),
-        1
+  }
+
+  public getChargingProfilePowerLimit(connectorId: number): number | undefined {
+    let limit: number, matchingChargingProfile: ChargingProfile;
+    let chargingProfiles: ChargingProfile[] = [];
+    // Get charging profiles for connector and sort by stack level
+    chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort(
+      (a, b) => b.stackLevel - a.stackLevel
+    );
+    // Get profiles on connector 0
+    if (this.getConnectorStatus(0).chargingProfiles) {
+      chargingProfiles.push(
+        ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel)
       );
-      keyFound = undefined;
-    }
-    if (!keyFound) {
-      this.configuration.configurationKey.push({
-        key,
-        readonly,
-        value,
-        visible,
-        reboot,
-      });
-      params?.save && this.saveConfiguration();
-    } else {
-      logger.error(
-        `${this.logPrefix()} Trying to add an already existing configuration key: %j`,
-        keyFound
+    }
+    if (!Utils.isEmptyArray(chargingProfiles)) {
+      const result = ChargingStationUtils.getLimitFromChargingProfiles(
+        chargingProfiles,
+        Utils.logPrefix()
       );
+      if (!Utils.isNullOrUndefined(result)) {
+        limit = result.limit;
+        matchingChargingProfile = result.matchingChargingProfile;
+        switch (this.getCurrentOutType()) {
+          case CurrentType.AC:
+            limit =
+              matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+              ChargingRateUnitType.WATT
+                ? limit
+                : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit);
+            break;
+          case CurrentType.DC:
+            limit =
+              matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+              ChargingRateUnitType.WATT
+                ? limit
+                : DCElectricUtils.power(this.getVoltageOut(), limit);
+        }
+
+        const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
+        if (limit > connectorMaximumPower) {
+          logger.error(
+            `${this.logPrefix()} Charging profile id ${
+              matchingChargingProfile.chargingProfileId
+            } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
+            this.getConnectorStatus(connectorId).chargingProfiles
+          );
+          limit = connectorMaximumPower;
+        }
+      }
     }
+    return limit;
   }
 
-  public setConfigurationKeyValue(
-    key: string | StandardParametersKey,
-    value: string,
-    caseInsensitive = false
-  ): void {
-    const keyFound = this.getConfigurationKey(key, caseInsensitive);
-    if (keyFound) {
-      const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
-      this.configuration.configurationKey[keyIndex].value = value;
-      this.saveConfiguration();
-    } else {
+  public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
+    if (Utils.isNullOrUndefined(this.getConnectorStatus(connectorId).chargingProfiles)) {
       logger.error(
-        `${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`,
-        { key, value }
+        `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization`
       );
+      this.getConnectorStatus(connectorId).chargingProfiles = [];
+    }
+    if (!Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
+      logger.error(
+        `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization`
+      );
+      this.getConnectorStatus(connectorId).chargingProfiles = [];
     }
-  }
-
-  public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
     let cpReplaced = false;
     if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
       this.getConnectorStatus(connectorId).chargingProfiles?.forEach(
@@ -704,6 +662,13 @@ export default class ChargingStation {
     this.stopMeterValues(connectorId);
   }
 
+  public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) {
+    return ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
+      StandardParametersKey.SupportedFeatureProfiles
+    )?.value.includes(featureProfile);
+  }
+
   public bufferMessage(message: string): void {
     this.messageBuffer.add(message);
   }
@@ -718,268 +683,326 @@ export default class ChargingStation {
     }
   }
 
-  private getSupervisionUrlOcppKey(): string {
-    return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
-  }
-
   private getSupervisionUrlOcppConfiguration(): boolean {
     return this.stationInfo.supervisionUrlOcppConfiguration ?? false;
   }
 
-  private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
-    // In case of multiple instances: add instance index to charging station id
-    const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
-    const idSuffix = stationTemplate.nameSuffix ?? '';
-    const idStr = '000000000' + this.index.toString();
-    return stationTemplate.fixedName
-      ? stationTemplate.baseName
-      : stationTemplate.baseName +
-          '-' +
-          instanceIndex.toString() +
-          idStr.substring(idStr.length - 4) +
-          idSuffix;
+  private getSupervisionUrlOcppKey(): string {
+    return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
   }
 
-  private buildStationInfo(): ChargingStationInfo {
-    let stationTemplateFromFile: ChargingStationTemplate;
+  private getTemplateFromFile(): ChargingStationTemplate | null {
+    let template: ChargingStationTemplate = null;
     try {
-      // Load template file
-      stationTemplateFromFile = JSON.parse(
-        fs.readFileSync(this.stationTemplateFile, 'utf8')
-      ) as ChargingStationTemplate;
+      if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
+        template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash);
+      } else {
+        const measureId = `${FileType.ChargingStationTemplate} read`;
+        const beginId = PerformanceStatistics.beginMeasure(measureId);
+        template = JSON.parse(
+          fs.readFileSync(this.templateFile, 'utf8')
+        ) as ChargingStationTemplate;
+        PerformanceStatistics.endMeasure(measureId, beginId);
+        template.templateHash = crypto
+          .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+          .update(JSON.stringify(template))
+          .digest('hex');
+        this.sharedLRUCache.setChargingStationTemplate(template);
+      }
     } catch (error) {
       FileUtils.handleFileException(
         this.logPrefix(),
         FileType.ChargingStationTemplate,
-        this.stationTemplateFile,
+        this.templateFile,
         error as NodeJS.ErrnoException
       );
     }
-    const chargingStationId = this.getChargingStationId(stationTemplateFromFile);
+    return template;
+  }
+
+  private getStationInfoFromTemplate(): ChargingStationInfo {
+    const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile();
+    if (Utils.isNullOrUndefined(stationTemplate)) {
+      const errorMsg = 'Failed to read charging station template file';
+      logger.error(`${this.logPrefix()} ${errorMsg}`);
+      throw new BaseError(errorMsg);
+    }
+    if (Utils.isEmptyObject(stationTemplate)) {
+      const errorMsg = `Empty charging station information from template file ${this.templateFile}`;
+      logger.error(`${this.logPrefix()} ${errorMsg}`);
+      throw new BaseError(errorMsg);
+    }
     // Deprecation template keys section
-    this.warnDeprecatedTemplateKey(
-      stationTemplateFromFile,
+    ChargingStationUtils.warnDeprecatedTemplateKey(
+      stationTemplate,
       'supervisionUrl',
-      chargingStationId,
+      this.templateFile,
+      this.logPrefix(),
       "Use 'supervisionUrls' instead"
     );
-    this.convertDeprecatedTemplateKey(stationTemplateFromFile, 'supervisionUrl', 'supervisionUrls');
-    const stationInfo: ChargingStationInfo = stationTemplateFromFile ?? ({} as ChargingStationInfo);
-    stationInfo.wsOptions = stationTemplateFromFile?.wsOptions ?? {};
-    if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
-      stationTemplateFromFile.power = stationTemplateFromFile.power as number[];
-      const powerArrayRandomIndex = Math.floor(
-        Utils.secureRandom() * stationTemplateFromFile.power.length
-      );
-      stationInfo.maxPower =
-        stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
-          ? stationTemplateFromFile.power[powerArrayRandomIndex] * 1000
-          : stationTemplateFromFile.power[powerArrayRandomIndex];
+    ChargingStationUtils.convertDeprecatedTemplateKey(
+      stationTemplate,
+      'supervisionUrl',
+      'supervisionUrls'
+    );
+    const stationInfo: ChargingStationInfo =
+      ChargingStationUtils.stationTemplateToStationInfo(stationTemplate);
+    stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId(
+      this.index,
+      stationTemplate
+    );
+    ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo);
+    if (!Utils.isEmptyArray(stationTemplate.power)) {
+      stationTemplate.power = stationTemplate.power as number[];
+      const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length);
+      stationInfo.maximumPower =
+        stationTemplate.powerUnit === PowerUnits.KILO_WATT
+          ? stationTemplate.power[powerArrayRandomIndex] * 1000
+          : stationTemplate.power[powerArrayRandomIndex];
     } else {
-      stationTemplateFromFile.power = stationTemplateFromFile.power as number;
-      stationInfo.maxPower =
-        stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
-          ? stationTemplateFromFile.power * 1000
-          : stationTemplateFromFile.power;
-    }
-    delete stationInfo.power;
-    delete stationInfo.powerUnit;
-    stationInfo.chargingStationId = chargingStationId;
-    stationInfo.resetTime = stationTemplateFromFile.resetTime
-      ? stationTemplateFromFile.resetTime * 1000
+      stationTemplate.power = stationTemplate.power as number;
+      stationInfo.maximumPower =
+        stationTemplate.powerUnit === PowerUnits.KILO_WATT
+          ? stationTemplate.power * 1000
+          : stationTemplate.power;
+    }
+    stationInfo.resetTime = stationTemplate.resetTime
+      ? stationTemplate.resetTime * 1000
       : Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
+    const configuredMaxConnectors = ChargingStationUtils.getConfiguredNumberOfConnectors(
+      this.index,
+      stationTemplate
+    );
+    ChargingStationUtils.checkConfiguredMaxConnectors(
+      configuredMaxConnectors,
+      this.templateFile,
+      Utils.logPrefix()
+    );
+    const templateMaxConnectors =
+      ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate);
+    ChargingStationUtils.checkTemplateMaxConnectors(
+      templateMaxConnectors,
+      this.templateFile,
+      Utils.logPrefix()
+    );
+    if (
+      configuredMaxConnectors >
+        (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
+      !stationTemplate?.randomConnectors
+    ) {
+      logger.warn(
+        `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
+          this.templateFile
+        }, forcing random connector configurations affectation`
+      );
+      stationInfo.randomConnectors = true;
+    }
+    // Build connectors if needed (FIXME: should be factored out)
+    this.initializeConnectors(stationInfo, configuredMaxConnectors, templateMaxConnectors);
+    stationInfo.maximumAmperage = this.getMaximumAmperage(stationInfo);
+    ChargingStationUtils.createStationInfoHash(stationInfo);
     return stationInfo;
   }
 
+  private getStationInfoFromFile(): ChargingStationInfo | null {
+    let stationInfo: ChargingStationInfo = null;
+    this.getStationInfoPersistentConfiguration() &&
+      (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null);
+    stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo);
+    return stationInfo;
+  }
+
+  private getStationInfo(): ChargingStationInfo {
+    const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate();
+    const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile();
+    // Priority: charging station info from template > charging station info from configuration file > charging station info attribute
+    if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) {
+      if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) {
+        return this.stationInfo;
+      }
+      return stationInfoFromFile;
+    }
+    stationInfoFromFile &&
+      ChargingStationUtils.propagateSerialNumber(
+        this.getTemplateFromFile(),
+        stationInfoFromFile,
+        stationInfoFromTemplate
+      );
+    return stationInfoFromTemplate;
+  }
+
+  private saveStationInfo(): void {
+    if (this.getStationInfoPersistentConfiguration()) {
+      this.saveConfiguration();
+    }
+  }
+
   private getOcppVersion(): OCPPVersion {
-    return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
+    return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
+  }
+
+  private getOcppPersistentConfiguration(): boolean {
+    return this.stationInfo?.ocppPersistentConfiguration ?? true;
+  }
+
+  private getStationInfoPersistentConfiguration(): boolean {
+    return this.stationInfo?.stationInfoPersistentConfiguration ?? true;
   }
 
   private handleUnsupportedVersion(version: OCPPVersion) {
     const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
-      this.stationTemplateFile
+      this.templateFile
     }`;
     logger.error(errMsg);
     throw new Error(errMsg);
   }
 
   private initialize(): void {
-    this.stationInfo = this.buildStationInfo();
+    this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile());
+    logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
     this.configurationFile = path.join(
-      path.resolve(__dirname, '../'),
-      'assets',
-      'configurations',
-      this.stationInfo.chargingStationId + '.json'
+      path.dirname(this.templateFile.replace('station-templates', 'configurations')),
+      this.hashId + '.json'
     );
-    this.configuration = this.getConfiguration();
-    delete this.stationInfo.Configuration;
-    this.bootNotificationRequest = {
-      chargePointModel: this.stationInfo.chargePointModel,
-      chargePointVendor: this.stationInfo.chargePointVendor,
-      ...(!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && {
-        chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix,
-      }),
-      ...(!Utils.isUndefined(this.stationInfo.firmwareVersion) && {
-        firmwareVersion: this.stationInfo.firmwareVersion,
-      }),
-    };
-    // Build connectors if needed
-    const maxConnectors = this.getMaxNumberOfConnectors();
-    if (maxConnectors <= 0) {
-      logger.warn(
-        `${this.logPrefix()} Charging station template ${
-          this.stationTemplateFile
-        } with ${maxConnectors} connectors`
-      );
-    }
-    const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors();
-    if (templateMaxConnectors <= 0) {
-      logger.warn(
-        `${this.logPrefix()} Charging station template ${
-          this.stationTemplateFile
-        } with no connector configuration`
-      );
-    }
-    if (!this.stationInfo.Connectors[0]) {
-      logger.warn(
-        `${this.logPrefix()} Charging station template ${
-          this.stationTemplateFile
-        } with no connector Id 0 configuration`
-      );
-    }
-    // Sanity check
-    if (
-      maxConnectors >
-        (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
-      !this.stationInfo.randomConnectors
-    ) {
-      logger.warn(
-        `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
-          this.stationTemplateFile
-        }, forcing random connector configurations affectation`
+    this.stationInfo = this.getStationInfo();
+    this.saveStationInfo();
+    // Avoid duplication of connectors related information in RAM
+    this.stationInfo?.Connectors && delete this.stationInfo.Connectors;
+    this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl();
+    if (this.getEnableStatistics()) {
+      this.performanceStatistics = PerformanceStatistics.getInstance(
+        this.hashId,
+        this.stationInfo.chargingStationId,
+        this.configuredSupervisionUrl
       );
-      this.stationInfo.randomConnectors = true;
-    }
-    const connectorsConfigHash = crypto
-      .createHash('sha256')
-      .update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString())
-      .digest('hex');
-    const connectorsConfigChanged =
-      this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
-    if (this.connectors?.size === 0 || connectorsConfigChanged) {
-      connectorsConfigChanged && this.connectors.clear();
-      this.connectorsConfigurationHash = connectorsConfigHash;
-      // Add connector Id 0
-      let lastConnector = '0';
-      for (lastConnector in this.stationInfo.Connectors) {
-        const lastConnectorId = Utils.convertToInt(lastConnector);
-        if (
-          lastConnectorId === 0 &&
-          this.getUseConnectorId0() &&
-          this.stationInfo.Connectors[lastConnector]
-        ) {
-          this.connectors.set(
-            lastConnectorId,
-            Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[lastConnector])
-          );
-          this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
-          if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
-            this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
-          }
-        }
-      }
-      // Generate all connectors
-      if (
-        (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0
-      ) {
-        for (let index = 1; index <= maxConnectors; index++) {
-          const randConnectorId = this.stationInfo.randomConnectors
-            ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
-            : index;
-          this.connectors.set(
-            index,
-            Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[randConnectorId])
-          );
-          this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
-          if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
-            this.getConnectorStatus(index).chargingProfiles = [];
-          }
-        }
-      }
-    }
-    // Avoid duplication of connectors related information
-    delete this.stationInfo.Connectors;
-    // Initialize transaction attributes on connectors
-    for (const connectorId of this.connectors.keys()) {
-      if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
-        this.initializeConnectorStatus(connectorId);
-      }
     }
-    this.wsConfiguredConnectionUrl = new URL(
-      this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId
+    this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest(
+      this.stationInfo
     );
+    this.powerDivider = this.getPowerDivider();
+    // OCPP configuration
+    this.ocppConfiguration = this.getOcppConfiguration();
+    this.initializeOcppConfiguration();
     switch (this.getOcppVersion()) {
       case OCPPVersion.VERSION_16:
         this.ocppIncomingRequestService =
-          OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>(this);
+          OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>();
         this.ocppRequestService = OCPP16RequestService.getInstance<OCPP16RequestService>(
-          this,
-          OCPP16ResponseService.getInstance<OCPP16ResponseService>(this)
+          OCPP16ResponseService.getInstance<OCPP16ResponseService>()
         );
         break;
       default:
         this.handleUnsupportedVersion(this.getOcppVersion());
         break;
     }
-    // OCPP parameters
-    this.initOcppParameters();
-    if (this.stationInfo.autoRegister) {
+    if (this.stationInfo?.autoRegister) {
       this.bootNotificationResponse = {
         currentTime: new Date().toISOString(),
         interval: this.getHeartbeatInterval() / 1000,
         status: RegistrationStatus.ACCEPTED,
       };
     }
-    this.stationInfo.powerDivider = this.getPowerDivider();
-    if (this.getEnableStatistics()) {
-      this.performanceStatistics = PerformanceStatistics.getInstance(
-        this.id,
-        this.stationInfo.chargingStationId,
-        this.wsConnectionUrl
-      );
-    }
   }
 
-  private initOcppParameters(): void {
+  private initializeOcppConfiguration(): void {
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.HeartbeatInterval
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
+        StandardParametersKey.HeartbeatInterval,
+        '0'
+      );
+    }
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.HeartBeatInterval
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
+        StandardParametersKey.HeartBeatInterval,
+        '0',
+        { visible: false }
+      );
+    }
     if (
       this.getSupervisionUrlOcppConfiguration() &&
-      !this.getConfigurationKey(this.getSupervisionUrlOcppKey())
+      !ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
     ) {
-      this.addConfigurationKey(
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
         this.getSupervisionUrlOcppKey(),
-        this.getConfiguredSupervisionUrl().href,
+        this.configuredSupervisionUrl.href,
         { reboot: true }
       );
+    } else if (
+      !this.getSupervisionUrlOcppConfiguration() &&
+      ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
+    ) {
+      ChargingStationConfigurationUtils.deleteConfigurationKey(
+        this,
+        this.getSupervisionUrlOcppKey(),
+        { save: false }
+      );
+    }
+    if (
+      this.stationInfo.amperageLimitationOcppKey &&
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        this.stationInfo.amperageLimitationOcppKey
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
+        this.stationInfo.amperageLimitationOcppKey,
+        (
+          this.stationInfo.maximumAmperage *
+          ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo)
+        ).toString()
+      );
     }
-    if (!this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)) {
-      this.addConfigurationKey(
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.SupportedFeatureProfiles
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
         StandardParametersKey.SupportedFeatureProfiles,
-        `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.Local_Auth_List_Management},${SupportedFeatureProfiles.Smart_Charging}`
+        `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}`
       );
     }
-    this.addConfigurationKey(
+    ChargingStationConfigurationUtils.addConfigurationKey(
+      this,
       StandardParametersKey.NumberOfConnectors,
       this.getNumberOfConnectors().toString(),
       { readonly: true },
       { overwrite: true }
     );
-    if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
-      this.addConfigurationKey(
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.MeterValuesSampledData
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
         StandardParametersKey.MeterValuesSampledData,
         MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
       );
     }
-    if (!this.getConfigurationKey(StandardParametersKey.ConnectorPhaseRotation)) {
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.ConnectorPhaseRotation
+      )
+    ) {
       const connectorPhaseRotation = [];
       for (const connectorId of this.connectors.keys()) {
         // AC/DC
@@ -994,42 +1017,153 @@ export default class ChargingStation {
           connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
         }
       }
-      this.addConfigurationKey(
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
         StandardParametersKey.ConnectorPhaseRotation,
         connectorPhaseRotation.toString()
       );
     }
-    if (!this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests)) {
-      this.addConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests, 'true');
-    }
     if (
-      !this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled) &&
-      this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles).value.includes(
-        SupportedFeatureProfiles.Local_Auth_List_Management
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.AuthorizeRemoteTxRequests
       )
     ) {
-      this.addConfigurationKey(StandardParametersKey.LocalAuthListEnabled, 'false');
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
+        StandardParametersKey.AuthorizeRemoteTxRequests,
+        'true'
+      );
+    }
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.LocalAuthListEnabled
+      ) &&
+      ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.SupportedFeatureProfiles
+      )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement)
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
+        StandardParametersKey.LocalAuthListEnabled,
+        'false'
+      );
     }
-    if (!this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) {
-      this.addConfigurationKey(
+    if (
+      !ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.ConnectionTimeOut
+      )
+    ) {
+      ChargingStationConfigurationUtils.addConfigurationKey(
+        this,
         StandardParametersKey.ConnectionTimeOut,
         Constants.DEFAULT_CONNECTION_TIMEOUT.toString()
       );
     }
-    this.saveConfiguration();
+    this.saveOcppConfiguration();
   }
 
-  private getConfigurationFromTemplate(): ChargingStationConfiguration {
-    return this.stationInfo.Configuration ?? ({} as ChargingStationConfiguration);
+  private initializeConnectors(
+    stationInfo: ChargingStationInfo,
+    configuredMaxConnectors: number,
+    templateMaxConnectors: number
+  ): void {
+    if (!stationInfo?.Connectors && this.connectors.size === 0) {
+      const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${
+        this.templateFile
+      } with no connectors configuration defined`;
+      logger.error(logMsg);
+      throw new BaseError(logMsg);
+    }
+    if (!stationInfo?.Connectors[0]) {
+      logger.warn(
+        `${this.logPrefix()} Charging station information from template ${
+          this.templateFile
+        } with no connector Id 0 configuration`
+      );
+    }
+    if (stationInfo?.Connectors) {
+      const connectorsConfigHash = crypto
+        .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+        .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString())
+        .digest('hex');
+      const connectorsConfigChanged =
+        this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
+      if (this.connectors?.size === 0 || connectorsConfigChanged) {
+        connectorsConfigChanged && this.connectors.clear();
+        this.connectorsConfigurationHash = connectorsConfigHash;
+        // Add connector Id 0
+        let lastConnector = '0';
+        for (lastConnector in stationInfo?.Connectors) {
+          const lastConnectorId = Utils.convertToInt(lastConnector);
+          if (
+            lastConnectorId === 0 &&
+            this.getUseConnectorId0(stationInfo) &&
+            stationInfo?.Connectors[lastConnector]
+          ) {
+            this.connectors.set(
+              lastConnectorId,
+              Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[lastConnector])
+            );
+            this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
+            if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
+              this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
+            }
+          }
+        }
+        // Generate all connectors
+        if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
+          for (let index = 1; index <= configuredMaxConnectors; index++) {
+            const randConnectorId = stationInfo?.randomConnectors
+              ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
+              : index;
+            this.connectors.set(
+              index,
+              Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[randConnectorId])
+            );
+            this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
+            if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
+              this.getConnectorStatus(index).chargingProfiles = [];
+            }
+          }
+        }
+      }
+    } else {
+      logger.warn(
+        `${this.logPrefix()} Charging station information from template ${
+          this.templateFile
+        } with no connectors configuration defined, using already defined connectors`
+      );
+    }
+    // Initialize transaction attributes on connectors
+    for (const connectorId of this.connectors.keys()) {
+      if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+        this.initializeConnectorStatus(connectorId);
+      }
+    }
   }
 
   private getConfigurationFromFile(): ChargingStationConfiguration | null {
     let configuration: ChargingStationConfiguration = null;
     if (this.configurationFile && fs.existsSync(this.configurationFile)) {
       try {
-        configuration = JSON.parse(
-          fs.readFileSync(this.configurationFile, 'utf8')
-        ) as ChargingStationConfiguration;
+        if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) {
+          configuration = this.sharedLRUCache.getChargingStationConfiguration(
+            this.configurationFileHash
+          );
+        } else {
+          const measureId = `${FileType.ChargingStationConfiguration} read`;
+          const beginId = PerformanceStatistics.beginMeasure(measureId);
+          configuration = JSON.parse(
+            fs.readFileSync(this.configurationFile, 'utf8')
+          ) as ChargingStationConfiguration;
+          PerformanceStatistics.endMeasure(measureId, beginId);
+          this.configurationFileHash = configuration.configurationHash;
+          this.sharedLRUCache.setChargingStationConfiguration(configuration);
+        }
       } catch (error) {
         FileUtils.handleFileException(
           this.logPrefix(),
@@ -1048,9 +1182,34 @@ export default class ChargingStation {
         if (!fs.existsSync(path.dirname(this.configurationFile))) {
           fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
         }
-        const fileDescriptor = fs.openSync(this.configurationFile, 'w');
-        fs.writeFileSync(fileDescriptor, JSON.stringify(this.configuration, null, 2));
-        fs.closeSync(fileDescriptor);
+        const configurationData: ChargingStationConfiguration =
+          this.getConfigurationFromFile() ?? {};
+        this.ocppConfiguration?.configurationKey &&
+          (configurationData.configurationKey = this.ocppConfiguration.configurationKey);
+        this.stationInfo && (configurationData.stationInfo = this.stationInfo);
+        delete configurationData.configurationHash;
+        const configurationHash = crypto
+          .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+          .update(JSON.stringify(configurationData))
+          .digest('hex');
+        if (this.configurationFileHash !== configurationHash) {
+          configurationData.configurationHash = configurationHash;
+          const measureId = `${FileType.ChargingStationConfiguration} write`;
+          const beginId = PerformanceStatistics.beginMeasure(measureId);
+          const fileDescriptor = fs.openSync(this.configurationFile, 'w');
+          fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8');
+          fs.closeSync(fileDescriptor);
+          PerformanceStatistics.endMeasure(measureId, beginId);
+          this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
+          this.configurationFileHash = configurationHash;
+          this.sharedLRUCache.setChargingStationConfiguration(configurationData);
+        } else {
+          logger.debug(
+            `${this.logPrefix()} Not saving unchanged charging station configuration file ${
+              this.configurationFile
+            }`
+          );
+        }
       } catch (error) {
         FileUtils.handleFileException(
           this.logPrefix(),
@@ -1061,69 +1220,93 @@ export default class ChargingStation {
       }
     } else {
       logger.error(
-        `${this.logPrefix()} Trying to save charging station configuration to undefined file`
+        `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file`
       );
     }
   }
 
-  private getConfiguration(): ChargingStationConfiguration {
-    let configuration: ChargingStationConfiguration = this.getConfigurationFromFile();
-    if (!configuration) {
-      configuration = this.getConfigurationFromTemplate();
+  private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null {
+    return this.getTemplateFromFile()?.Configuration ?? null;
+  }
+
+  private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null {
+    let configuration: ChargingStationConfiguration = null;
+    if (this.getOcppPersistentConfiguration()) {
+      const configurationFromFile = this.getConfigurationFromFile();
+      configuration = configurationFromFile?.configurationKey && configurationFromFile;
     }
+    configuration && delete configuration.stationInfo;
     return configuration;
   }
 
+  private getOcppConfiguration(): ChargingStationOcppConfiguration | null {
+    let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile();
+    if (!ocppConfiguration) {
+      ocppConfiguration = this.getOcppConfigurationFromTemplate();
+    }
+    return ocppConfiguration;
+  }
+
   private async onOpen(): Promise<void> {
-    logger.info(
-      `${this.logPrefix()} Connected to OCPP server through ${this.wsConnectionUrl.toString()}`
-    );
-    if (!this.isInAcceptedState()) {
-      // Send BootNotification
-      let registrationRetryCount = 0;
-      do {
-        this.bootNotificationResponse = (await this.ocppRequestService.sendMessageHandler(
-          RequestCommand.BOOT_NOTIFICATION,
-          {
-            chargePointModel: this.bootNotificationRequest.chargePointModel,
-            chargePointVendor: this.bootNotificationRequest.chargePointVendor,
-            chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
-            firmwareVersion: this.bootNotificationRequest.firmwareVersion,
-            chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
-            iccid: this.bootNotificationRequest.iccid,
-            imsi: this.bootNotificationRequest.imsi,
-            meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
-            meterType: this.bootNotificationRequest.meterType,
-          },
-          { skipBufferingOnError: true }
-        )) as BootNotificationResponse;
-        if (!this.isInAcceptedState()) {
-          this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
-          await Utils.sleep(
-            this.bootNotificationResponse?.interval
-              ? this.bootNotificationResponse.interval * 1000
-              : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
+    if (this.isWebSocketConnectionOpened()) {
+      logger.info(
+        `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
+      );
+      if (!this.isRegistered()) {
+        // Send BootNotification
+        let registrationRetryCount = 0;
+        do {
+          this.bootNotificationResponse = await this.ocppRequestService.requestHandler<
+            BootNotificationRequest,
+            BootNotificationResponse
+          >(
+            this,
+            RequestCommand.BOOT_NOTIFICATION,
+            {
+              chargePointModel: this.bootNotificationRequest.chargePointModel,
+              chargePointVendor: this.bootNotificationRequest.chargePointVendor,
+              chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
+              firmwareVersion: this.bootNotificationRequest.firmwareVersion,
+              chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
+              iccid: this.bootNotificationRequest.iccid,
+              imsi: this.bootNotificationRequest.imsi,
+              meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
+              meterType: this.bootNotificationRequest.meterType,
+            },
+            { skipBufferingOnError: true }
           );
+          if (!this.isRegistered()) {
+            this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
+            await Utils.sleep(
+              this.bootNotificationResponse?.interval
+                ? this.bootNotificationResponse.interval * 1000
+                : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
+            );
+          }
+        } while (
+          !this.isRegistered() &&
+          (registrationRetryCount <= this.getRegistrationMaxRetries() ||
+            this.getRegistrationMaxRetries() === -1)
+        );
+      }
+      if (this.isRegistered()) {
+        if (this.isInAcceptedState()) {
+          await this.startMessageSequence();
+          this.wsConnectionRestarted && this.flushMessageBuffer();
         }
-      } while (
-        !this.isInAcceptedState() &&
-        (registrationRetryCount <= this.getRegistrationMaxRetries() ||
-          this.getRegistrationMaxRetries() === -1)
-      );
-    }
-    if (this.isInAcceptedState()) {
-      await this.startMessageSequence();
-      this.stopped && (this.stopped = false);
-      if (this.wsConnectionRestarted && this.isWebSocketConnectionOpened()) {
-        this.flushMessageBuffer();
+      } else {
+        logger.error(
+          `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
+        );
       }
+      this.stopped && (this.stopped = false);
+      this.autoReconnectRetryCount = 0;
+      this.wsConnectionRestarted = false;
     } else {
-      logger.error(
-        `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
+      logger.warn(
+        `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
       );
     }
-    this.autoReconnectRetryCount = 0;
-    this.wsConnectionRestarted = false;
   }
 
   private async onClose(code: number, reason: string): Promise<void> {
@@ -1132,7 +1315,7 @@ export default class ChargingStation {
       case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
       case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
         logger.info(
-          `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(
+          `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
             code
           )}' and reason '${reason}'`
         );
@@ -1141,7 +1324,7 @@ export default class ChargingStation {
       // Abnormal close
       default:
         logger.error(
-          `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(
+          `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
             code
           )}' and reason '${reason}'`
         );
@@ -1151,113 +1334,144 @@ export default class ChargingStation {
   }
 
   private async onMessage(data: Data): Promise<void> {
-    let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [
-      0,
-      '',
-      '' as IncomingRequestCommand,
-      {},
-      {},
-    ];
-    let responseCallback: (
-      payload: JsonType | string,
-      requestPayload: JsonType | OCPPError
-    ) => void;
-    let rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void;
+    let messageType: number;
+    let messageId: string;
+    let commandName: IncomingRequestCommand;
+    let commandPayload: JsonType;
+    let errorType: ErrorType;
+    let errorMessage: string;
+    let errorDetails: JsonType;
+    let responseCallback: (payload: JsonType, requestPayload: JsonType) => void;
+    let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void;
     let requestCommandName: RequestCommand | IncomingRequestCommand;
-    let requestPayload: JsonType | OCPPError;
+    let requestPayload: JsonType;
     let cachedRequest: CachedRequest;
     let errMsg: string;
     try {
-      const request = JSON.parse(data.toString()) as IncomingRequest;
+      const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
       if (Utils.isIterable(request)) {
-        // Parse the message
-        [messageType, messageId, commandName, commandPayload, errorDetails] = request;
-      } else {
-        throw new OCPPError(
-          ErrorType.PROTOCOL_ERROR,
-          'Incoming request is not iterable',
-          commandName
-        );
-      }
-      // Check the Type of message
-      switch (messageType) {
-        // Incoming Message
-        case MessageType.CALL_MESSAGE:
-          if (this.getEnableStatistics()) {
-            this.performanceStatistics.addRequestStatistic(commandName, messageType);
-          }
-          // Process the call
-          await this.ocppIncomingRequestService.handleRequest(
-            messageId,
-            commandName,
-            commandPayload
-          );
-          break;
-        // Outcome Message
-        case MessageType.CALL_RESULT_MESSAGE:
-          // Respond
-          cachedRequest = this.requests.get(messageId);
-          if (Utils.isIterable(cachedRequest)) {
-            [responseCallback, , , requestPayload] = cachedRequest;
-          } else {
-            throw new OCPPError(
-              ErrorType.PROTOCOL_ERROR,
-              `Cached request for message id ${messageId} response is not iterable`,
-              commandName
+        [messageType, messageId] = request;
+        // Check the type of message
+        switch (messageType) {
+          // Incoming Message
+          case MessageType.CALL_MESSAGE:
+            [, , commandName, commandPayload] = request as IncomingRequest;
+            if (this.getEnableStatistics()) {
+              this.performanceStatistics.addRequestStatistic(commandName, messageType);
+            }
+            logger.debug(
+              `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
+                request
+              )}`
             );
-          }
-          if (!responseCallback) {
-            // Error
-            throw new OCPPError(
-              ErrorType.INTERNAL_ERROR,
-              `Response for unknown message id ${messageId}`,
-              commandName
+            // Process the message
+            await this.ocppIncomingRequestService.incomingRequestHandler(
+              this,
+              messageId,
+              commandName,
+              commandPayload
             );
-          }
-          responseCallback(commandName, requestPayload);
-          break;
-        // Error Message
-        case MessageType.CALL_ERROR_MESSAGE:
-          cachedRequest = this.requests.get(messageId);
-          if (Utils.isIterable(cachedRequest)) {
-            [, rejectCallback, requestCommandName] = cachedRequest;
-          } else {
-            throw new OCPPError(
-              ErrorType.PROTOCOL_ERROR,
-              `Cached request for message id ${messageId} error response is not iterable`
+            break;
+          // Outcome Message
+          case MessageType.CALL_RESULT_MESSAGE:
+            [, , commandPayload] = request as Response;
+            if (!this.requests.has(messageId)) {
+              // Error
+              throw new OCPPError(
+                ErrorType.INTERNAL_ERROR,
+                `Response for unknown message id ${messageId}`,
+                null,
+                commandPayload
+              );
+            }
+            // Respond
+            cachedRequest = this.requests.get(messageId);
+            if (Utils.isIterable(cachedRequest)) {
+              [responseCallback, , requestCommandName, requestPayload] = cachedRequest;
+            } else {
+              throw new OCPPError(
+                ErrorType.PROTOCOL_ERROR,
+                `Cached request for message id ${messageId} response is not iterable`,
+                null,
+                cachedRequest as unknown as JsonType
+              );
+            }
+            logger.debug(
+              `${this.logPrefix()} << Command '${
+                requestCommandName ?? 'unknown'
+              }' received response payload: ${JSON.stringify(request)}`
             );
-          }
-          if (!rejectCallback) {
-            // Error
-            throw new OCPPError(
-              ErrorType.INTERNAL_ERROR,
-              `Error response for unknown message id ${messageId}`,
-              requestCommandName
+            responseCallback(commandPayload, requestPayload);
+            break;
+          // Error Message
+          case MessageType.CALL_ERROR_MESSAGE:
+            [, , errorType, errorMessage, errorDetails] = request as ErrorResponse;
+            if (!this.requests.has(messageId)) {
+              // Error
+              throw new OCPPError(
+                ErrorType.INTERNAL_ERROR,
+                `Error response for unknown message id ${messageId}`,
+                null,
+                { errorType, errorMessage, errorDetails }
+              );
+            }
+            cachedRequest = this.requests.get(messageId);
+            if (Utils.isIterable(cachedRequest)) {
+              [, errorCallback, requestCommandName] = cachedRequest;
+            } else {
+              throw new OCPPError(
+                ErrorType.PROTOCOL_ERROR,
+                `Cached request for message id ${messageId} error response is not iterable`,
+                null,
+                cachedRequest as unknown as JsonType
+              );
+            }
+            logger.debug(
+              `${this.logPrefix()} << Command '${
+                requestCommandName ?? 'unknown'
+              }' received error payload: ${JSON.stringify(request)}`
             );
-          }
-          rejectCallback(
-            new OCPPError(commandName, commandPayload.toString(), requestCommandName, errorDetails)
-          );
-          break;
-        // Error
-        default:
-          // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
-          errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
-          logger.error(errMsg);
-          throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
+            errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+            break;
+          // Error
+          default:
+            // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+            errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
+            logger.error(errMsg);
+            throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
+        }
+      } else {
+        throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, {
+          payload: request,
+        });
       }
     } catch (error) {
       // Log
       logger.error(
-        '%s Incoming OCPP message %j matching cached request %j processing error %j',
+        "%s Incoming OCPP '%s' message '%j' matching cached request '%j' processing error: %j",
         this.logPrefix(),
+        commandName ?? requestCommandName ?? null,
         data.toString(),
         this.requests.get(messageId),
         error
       );
+      if (!(error instanceof OCPPError)) {
+        logger.warn(
+          "%s Error thrown at incoming OCPP '%s' message '%j' handling is not an OCPPError: %j",
+          this.logPrefix(),
+          commandName ?? requestCommandName ?? null,
+          data.toString(),
+          error
+        );
+      }
       // Send error
       messageType === MessageType.CALL_MESSAGE &&
-        (await this.ocppRequestService.sendError(messageId, error as OCPPError, commandName));
+        (await this.ocppRequestService.sendError(
+          this,
+          messageId,
+          error as OCPPError,
+          commandName ?? requestCommandName ?? null
+        ));
     }
   }
 
@@ -1270,48 +1484,14 @@ export default class ChargingStation {
   }
 
   private onError(error: WSError): void {
+    this.closeWSConnection();
     logger.error(this.logPrefix() + ' WebSocket error: %j', error);
   }
 
-  private getAuthorizationFile(): string | undefined {
-    return (
-      this.stationInfo.authorizationFile &&
-      path.join(
-        path.resolve(__dirname, '../'),
-        'assets',
-        path.basename(this.stationInfo.authorizationFile)
-      )
-    );
-  }
-
-  private getAuthorizedTags(): string[] {
-    let authorizedTags: string[] = [];
-    const authorizationFile = this.getAuthorizationFile();
-    if (authorizationFile) {
-      try {
-        // Load authorization file
-        authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[];
-      } catch (error) {
-        FileUtils.handleFileException(
-          this.logPrefix(),
-          FileType.Authorization,
-          authorizationFile,
-          error as NodeJS.ErrnoException
-        );
-      }
-    } else {
-      logger.info(
-        this.logPrefix() +
-          ' No authorization file given in template file ' +
-          this.stationTemplateFile
-      );
-    }
-    return authorizedTags;
-  }
-
-  private getUseConnectorId0(): boolean | undefined {
-    return !Utils.isUndefined(this.stationInfo.useConnectorId0)
-      ? this.stationInfo.useConnectorId0
+  private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined {
+    const localStationInfo = stationInfo ?? this.stationInfo;
+    return !Utils.isUndefined(localStationInfo.useConnectorId0)
+      ? localStationInfo.useConnectorId0
       : true;
   }
 
@@ -1327,10 +1507,19 @@ export default class ChargingStation {
 
   // 0 for disabling
   private getConnectionTimeout(): number | undefined {
-    if (this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) {
+    if (
+      ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        StandardParametersKey.ConnectionTimeOut
+      )
+    ) {
       return (
-        parseInt(this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut).value) ??
-        Constants.DEFAULT_CONNECTION_TIMEOUT
+        parseInt(
+          ChargingStationConfigurationUtils.getConfigurationKey(
+            this,
+            StandardParametersKey.ConnectionTimeOut
+          ).value
+        ) ?? Constants.DEFAULT_CONNECTION_TIMEOUT
       );
     }
     return Constants.DEFAULT_CONNECTION_TIMEOUT;
@@ -1357,35 +1546,57 @@ export default class ChargingStation {
 
   private getPowerDivider(): number {
     let powerDivider = this.getNumberOfConnectors();
-    if (this.stationInfo.powerSharedByConnectors) {
+    if (this.stationInfo?.powerSharedByConnectors) {
       powerDivider = this.getNumberOfRunningTransactions();
     }
     return powerDivider;
   }
 
-  private getTemplateMaxNumberOfConnectors(): number {
-    return Object.keys(this.stationInfo.Connectors).length;
+  private getMaximumPower(stationInfo?: ChargingStationInfo): number {
+    const localStationInfo = stationInfo ?? this.stationInfo;
+    return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower;
   }
 
-  private getMaxNumberOfConnectors(): number {
-    let maxConnectors: number;
-    if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) {
-      const numberOfConnectors = this.stationInfo.numberOfConnectors as number[];
-      // Distribute evenly the number of connectors
-      maxConnectors = numberOfConnectors[(this.index - 1) % numberOfConnectors.length];
-    } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) {
-      maxConnectors = this.stationInfo.numberOfConnectors as number;
-    } else {
-      maxConnectors = this.stationInfo.Connectors[0]
-        ? this.getTemplateMaxNumberOfConnectors() - 1
-        : this.getTemplateMaxNumberOfConnectors();
+  private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined {
+    const maximumPower = this.getMaximumPower(stationInfo);
+    switch (this.getCurrentOutType(stationInfo)) {
+      case CurrentType.AC:
+        return ACElectricUtils.amperagePerPhaseFromPower(
+          this.getNumberOfPhases(stationInfo),
+          maximumPower / this.getNumberOfConnectors(),
+          this.getVoltageOut(stationInfo)
+        );
+      case CurrentType.DC:
+        return DCElectricUtils.amperage(maximumPower, this.getVoltageOut(stationInfo));
+    }
+  }
+
+  private getAmperageLimitation(): number | undefined {
+    if (
+      this.stationInfo.amperageLimitationOcppKey &&
+      ChargingStationConfigurationUtils.getConfigurationKey(
+        this,
+        this.stationInfo.amperageLimitationOcppKey
+      )
+    ) {
+      return (
+        Utils.convertToInt(
+          ChargingStationConfigurationUtils.getConfigurationKey(
+            this,
+            this.stationInfo.amperageLimitationOcppKey
+          ).value
+        ) / ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo)
+      );
     }
-    return maxConnectors;
   }
 
   private async startMessageSequence(): Promise<void> {
-    if (this.stationInfo.autoRegister) {
-      await this.ocppRequestService.sendMessageHandler(
+    if (this.stationInfo?.autoRegister) {
+      await this.ocppRequestService.requestHandler<
+        BootNotificationRequest,
+        BootNotificationResponse
+      >(
+        this,
         RequestCommand.BOOT_NOTIFICATION,
         {
           chargePointModel: this.bootNotificationRequest.chargePointModel,
@@ -1415,7 +1626,10 @@ export default class ChargingStation {
         this.getConnectorStatus(connectorId)?.bootStatus
       ) {
         // Send status in template at startup
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
+        await this.ocppRequestService.requestHandler<
+          StatusNotificationRequest,
+          StatusNotificationResponse
+        >(this, RequestCommand.STATUS_NOTIFICATION, {
           connectorId,
           status: this.getConnectorStatus(connectorId).bootStatus,
           errorCode: ChargePointErrorCode.NO_ERROR,
@@ -1428,7 +1642,10 @@ export default class ChargingStation {
         this.getConnectorStatus(connectorId)?.bootStatus
       ) {
         // Send status in template after reset
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
+        await this.ocppRequestService.requestHandler<
+          StatusNotificationRequest,
+          StatusNotificationResponse
+        >(this, RequestCommand.STATUS_NOTIFICATION, {
           connectorId,
           status: this.getConnectorStatus(connectorId).bootStatus,
           errorCode: ChargePointErrorCode.NO_ERROR,
@@ -1437,14 +1654,20 @@ export default class ChargingStation {
           this.getConnectorStatus(connectorId).bootStatus;
       } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) {
         // Send previous status at template reload
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
+        await this.ocppRequestService.requestHandler<
+          StatusNotificationRequest,
+          StatusNotificationResponse
+        >(this, RequestCommand.STATUS_NOTIFICATION, {
           connectorId,
           status: this.getConnectorStatus(connectorId).status,
           errorCode: ChargePointErrorCode.NO_ERROR,
         });
       } else {
         // Send default status
-        await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
+        await this.ocppRequestService.requestHandler<
+          StatusNotificationRequest,
+          StatusNotificationResponse
+        >(this, RequestCommand.STATUS_NOTIFICATION, {
           connectorId,
           status: ChargePointStatus.AVAILABLE,
           errorCode: ChargePointErrorCode.NO_ERROR,
@@ -1457,9 +1680,12 @@ export default class ChargingStation {
   }
 
   private startAutomaticTransactionGenerator() {
-    if (this.stationInfo.AutomaticTransactionGenerator.enable) {
+    if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) {
       if (!this.automaticTransactionGenerator) {
-        this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(this);
+        this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+          this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
+          this
+        );
       }
       if (!this.automaticTransactionGenerator.started) {
         this.automaticTransactionGenerator.start();
@@ -1467,6 +1693,13 @@ export default class ChargingStation {
     }
   }
 
+  private stopAutomaticTransactionGenerator(): void {
+    if (this.automaticTransactionGenerator?.started) {
+      this.automaticTransactionGenerator.stop();
+      this.automaticTransactionGenerator = null;
+    }
+  }
+
   private async stopMessageSequence(
     reason: StopTransactionReason = StopTransactionReason.NONE
   ): Promise<void> {
@@ -1474,12 +1707,9 @@ export default class ChargingStation {
     this.stopWebSocketPing();
     // Stop heartbeat
     this.stopHeartbeat();
-    // Stop the ATG
-    if (
-      this.stationInfo.AutomaticTransactionGenerator.enable &&
-      this.automaticTransactionGenerator?.started
-    ) {
-      this.automaticTransactionGenerator.stop();
+    // Stop ongoing transactions
+    if (this.automaticTransactionGenerator?.configuration?.enable) {
+      this.stopAutomaticTransactionGenerator();
     } else {
       for (const connectorId of this.connectors.keys()) {
         if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
@@ -1495,13 +1725,20 @@ export default class ChargingStation {
               connectorId,
               this.getEnergyActiveImportRegisterByTransactionId(transactionId)
             );
-            await this.ocppRequestService.sendMessageHandler(RequestCommand.METER_VALUES, {
-              connectorId,
-              transactionId,
-              meterValue: transactionEndMeterValue,
-            });
+            await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+              this,
+              RequestCommand.METER_VALUES,
+              {
+                connectorId,
+                transactionId,
+                meterValue: [transactionEndMeterValue],
+              }
+            );
           }
-          await this.ocppRequestService.sendMessageHandler(RequestCommand.STOP_TRANSACTION, {
+          await this.ocppRequestService.requestHandler<
+            StopTransactionRequest,
+            StopTransactionResponse
+          >(this, RequestCommand.STOP_TRANSACTION, {
             transactionId,
             meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
             idTag: this.getTransactionIdTag(transactionId),
@@ -1513,11 +1750,15 @@ export default class ChargingStation {
   }
 
   private startWebSocketPing(): void {
-    const webSocketPingInterval: number = this.getConfigurationKey(
+    const webSocketPingInterval: number = ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
       StandardParametersKey.WebSocketPingInterval
     )
       ? Utils.convertToInt(
-          this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value
+          ChargingStationConfigurationUtils.getConfigurationKey(
+            this,
+            StandardParametersKey.WebSocketPingInterval
+          ).value
         )
       : 0;
     if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
@@ -1557,33 +1798,6 @@ export default class ChargingStation {
     }
   }
 
-  private warnDeprecatedTemplateKey(
-    template: ChargingStationTemplate,
-    key: string,
-    chargingStationId: string,
-    logMsgToAppend = ''
-  ): void {
-    if (!Utils.isUndefined(template[key])) {
-      const logPrefixStr = ` ${chargingStationId} |`;
-      logger.warn(
-        `${Utils.logPrefix(logPrefixStr)} Deprecated template key '${key}' usage in file '${
-          this.stationTemplateFile
-        }'${logMsgToAppend && '. ' + logMsgToAppend}`
-      );
-    }
-  }
-
-  private convertDeprecatedTemplateKey(
-    template: ChargingStationTemplate,
-    deprecatedKey: string,
-    key: string
-  ): void {
-    if (!Utils.isUndefined(template[deprecatedKey])) {
-      template[key] = template[deprecatedKey] as unknown;
-      delete template[deprecatedKey];
-    }
-  }
-
   private getConfiguredSupervisionUrl(): URL {
     const supervisionUrls = Utils.cloneObject<string | string[]>(
       this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
@@ -1622,15 +1836,21 @@ export default class ChargingStation {
   }
 
   private getHeartbeatInterval(): number | undefined {
-    const HeartbeatInterval = this.getConfigurationKey(StandardParametersKey.HeartbeatInterval);
+    const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
+      StandardParametersKey.HeartbeatInterval
+    );
     if (HeartbeatInterval) {
       return Utils.convertToInt(HeartbeatInterval.value) * 1000;
     }
-    const HeartBeatInterval = this.getConfigurationKey(StandardParametersKey.HeartBeatInterval);
+    const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+      this,
+      StandardParametersKey.HeartBeatInterval
+    );
     if (HeartBeatInterval) {
       return Utils.convertToInt(HeartBeatInterval.value) * 1000;
     }
-    !this.stationInfo.autoRegister &&
+    !this.stationInfo?.autoRegister &&
       logger.warn(
         `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
           Constants.DEFAULT_HEARTBEAT_INTERVAL
@@ -1646,18 +1866,26 @@ export default class ChargingStation {
   }
 
   private openWSConnection(
-    options: ClientOptions & ClientRequestArgs = this.stationInfo.wsOptions,
-    forceCloseOpened = false
+    options: WsOptions = this.stationInfo?.wsOptions ?? {},
+    params: { closeOpened?: boolean; terminateOpened?: boolean } = {
+      closeOpened: false,
+      terminateOpened: false,
+    }
   ): void {
     options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
+    params.closeOpened = params?.closeOpened ?? false;
+    params.terminateOpened = params?.terminateOpened ?? false;
     if (
       !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
       !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
     ) {
       options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
     }
-    if (this.isWebSocketConnectionOpened() && forceCloseOpened) {
-      this.wsConnection.close();
+    if (params?.closeOpened) {
+      this.closeWSConnection();
+    }
+    if (params?.terminateOpened) {
+      this.terminateWSConnection();
     }
     let protocol: string;
     switch (this.getOcppVersion()) {
@@ -1668,10 +1896,48 @@ export default class ChargingStation {
         this.handleUnsupportedVersion(this.getOcppVersion());
         break;
     }
-    this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
     logger.info(
       this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
     );
+
+    this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
+    // Handle WebSocket message
+    this.wsConnection.on(
+      'message',
+      this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
+    );
+    // Handle WebSocket error
+    this.wsConnection.on(
+      'error',
+      this.onError.bind(this) as (this: WebSocket, error: Error) => void
+    );
+    // Handle WebSocket close
+    this.wsConnection.on(
+      'close',
+      this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
+    );
+    // Handle WebSocket open
+    this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
+    // Handle WebSocket ping
+    this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
+    // Handle WebSocket pong
+    this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
+  }
+
+  private closeWSConnection(): void {
+    if (this.isWebSocketConnectionOpened()) {
+      this.wsConnection.close();
+      this.wsConnection = null;
+    }
+  }
+
+  private terminateWSConnection(): void {
+    if (this.isWebSocketConnectionOpened()) {
+      this.wsConnection.terminate();
+      this.wsConnection = null;
+    }
   }
 
   private stopMeterValues(connectorId: number) {
@@ -1692,12 +1958,8 @@ export default class ChargingStation {
     // Stop heartbeat
     this.stopHeartbeat();
     // Stop the ATG if needed
-    if (
-      this.stationInfo.AutomaticTransactionGenerator.enable &&
-      this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
-      this.automaticTransactionGenerator?.started
-    ) {
-      this.automaticTransactionGenerator.stop();
+    if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) {
+      this.stopAutomaticTransactionGenerator();
     }
     if (
       this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() ||
@@ -1707,7 +1969,11 @@ export default class ChargingStation {
       const reconnectDelay = this.getReconnectExponentialDelay()
         ? Utils.exponentialDelay(this.autoReconnectRetryCount)
         : this.getConnectionTimeout() * 1000;
-      const reconnectTimeout = reconnectDelay - 100 > 0 && reconnectDelay;
+      const reconnectDelayWithdraw = 1000;
+      const reconnectTimeout =
+        reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0
+          ? reconnectDelay - reconnectDelayWithdraw
+          : 0;
       logger.error(
         `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(
           reconnectDelay,
@@ -1721,19 +1987,23 @@ export default class ChargingStation {
           this.autoReconnectRetryCount.toString()
       );
       this.openWSConnection(
-        { ...this.stationInfo.wsOptions, handshakeTimeout: reconnectTimeout },
-        true
+        { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout },
+        { closeOpened: true }
       );
       this.wsConnectionRestarted = true;
     } else if (this.getAutoReconnectMaxRetries() !== -1) {
       logger.error(
-        `${this.logPrefix()} WebSocket reconnect failure: max retries reached (${
+        `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${
           this.autoReconnectRetryCount
         }) or retry disabled (${this.getAutoReconnectMaxRetries()})`
       );
     }
   }
 
+  private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null {
+    return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null;
+  }
+
   private initializeConnectorStatus(connectorId: number): void {
     this.getConnectorStatus(connectorId).idTagLocalAuthorized = false;
     this.getConnectorStatus(connectorId).idTagAuthorized = false;