Reliability Assessment Results for Eastern with renewables-Final

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1、2012/2013ISOReliabilityAssessment-FinalStudyResultsStudyArea:SCEEasternarea-SummerPeakwithRenewablesThermalOverloadsLoading(%)Category201420172022IDOverloadedFacilityWorstContingencyCategoryPotentialMitigationSolutionsDescriptionSummerSummerSummerPeakPeakPeakContinuemonitoringloadin

2、ginfutureE-SpWR-TO-planningcyclesand1)reconductorMirage-SantaRosa115kVMirage-Concho115kVBL-192.90%95.60%104.40%001existinglineor2)buildanewlineinatimelyfashion.30minuterating(110%)allowsmanualadjustmentafterthesecondcontingencyperSCESOB004untilE-SpWR-TO-Devers-Farrell-Windland115kV&

3、Devers-Garnet-Tap817115kVCL-1/L-195.70%102.20%102.80%2022.Continuemonitoringloadingin002Garnet115kVfutureplanningcyclesandmodifyplannedDevers115kVRAStoincludethiscontingencyifnecessary.E-SpWR-TO-Devers-Eisenhower-Thornhill115kV&Garnet-Tap817115kVCL-1/L-193.90%97.40%100.60%Sameasabov

4、e003Devers-Garnet115kV1)IncludecontingencyintheplannedE-SpWR-TO-Mirage115kVRASMirage230/115kVNo.4bankMirageNo.1&No.3230/115kVbanksCT-1/T-1115.60%119.90%128.30%0042)ManualadjustmentaftertheinitialcontingencyperSCESOB004.E-SpWR-TO-Mirage230/115kVNo.3bankMirageNo.1&No.4230/115kVbanksCT

5、-1/T-1115.60%119.90%128.40%Sameasabove005E-SpWR-TO-Mirage230/115kVNo.1bankMirageNo.3&No.4230/115kVbanksCT-1/T-1115.60%119.90%128.40%Sameasabove006Note:MirageandDevers115kVfacilitiesareexpectedtobecomenon-ISOfacilitiesoncethesystemissplitin2013.CaliforniaISO/MID/RTOctober31,2012Page1

6、of142012/2013ISOReliabilityAssessment-FinalStudyResultsStudyArea:SCEEasternarea-SummerLightLoad&SpringOff-PeakwithRenewablesThermalOverloadsLoading(%)Category20142017IDOverloadedFacilityWorstContingencyCategoryPotentialMitigationSolutionsDescriptionSummerSummerOff-N/ALightLoadPeakNo

7、thermaloverloadsidentified.CaliforniaISO/MID/RTOctober31,2012Page2of142012/2013ISOReliabilityAssessment-FinalStudyResultsStudyArea:SCEEasternarea-SummerPeakwithRenewablesVoltageDeviationsPostCont.VoltageDeviation%Category201420172022IDSubstationWorstContingencyCategoryPotentialMitig

8、ationSolutionsDescr