Reliability Assessment Results for Eastern without renewables-Final

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1、2012/2013ISOReliabilityAssessment-FinalStudyResultsStudyArea:SCEEasternarea-SummerPeakwithoutRenewablesThermalOverloadsLoading(%)Category201420172022IDOverloadedFacilityWorstContingencyCategoryPotentialMitigationSolutionsDescriptionSummerSummerSummerPeakPeakPeakContinuemonitoringloadinginfuture

2、E-SpWOR-planningcyclesand1)reconductorMirage-SantaRosa115kVMirage-Concho115kVBL-192.70%95.40%103.80%TO-001existinglineor2)buildanewlineinatimelyfashion.30minuterating(110%)allowsmanualadjustmentafterthesecondcontingencyperSCESOB004untilE-SpWOR-Devers-Farrell-Windland115kV&Devers-wellafter2017.C

3、ontinuemonitoringGarnet-Tap817115kVCL-1/L-196.30%101.80%112.50%TO-002Garnet115kVloadinginfutureplanningcyclesandmodifyplannedDevers115kVRAStoincludethiscontingencyifnecessary.E-SpWOR-Devers-Eisenhower-Thornhill115kV&Garnet-Tap817115kVCL-1/L-194.50%97.10%109.90%SameasaboveTO-003Devers-Garnet115k

4、V1)IncludecontingencyintheplannedE-SpWOR-Mirage115kVRASMirage230/115kVNo.4bankMirageNo.1&No.3230/115kVbanksCT-1/T-1115.60%120.00%128.50%TO-0042)ManualadjustmentaftertheinitialcontingencyperSCESOB004.E-SpWOR-Mirage230/115kVNo.3bankMirageNo.1&No.4230/115kVbanksCT-1/T-1115.60%120.00%128.50%Sameasa

5、boveTO-005E-SpWOR-Mirage230/115kVNo.1bankMirageNo.3&No.4230/115kVbanksCT-1/T-1115.60%120.00%128.50%SameasaboveTO-006Note:MirageandDevers115kVfacilitiesareexpectedtobecomenon-ISOfacilitiesoncethesystemissplitin2013.CaliforniaISO/MID/RTOctober31,2012Page1of142012/2013ISOReliabilityAssessment-Fina

6、lStudyResultsStudyArea:SCEEasternarea-SummerLightLoad&SpringOff-PeakwithoutrenewablesThermalOverloadsLoading(%)Category20142017IDOverloadedFacilityWorstContingencyCategoryPotentialMitigationSolutionsDescriptionSummerSummerOff-N/ALightLoadPeakNothermaloverloadsidentified.CaliforniaISO/MID/RTOcto

7、ber31,2012Page2of142012/2013ISOReliabilityAssessment-FinalStudyResultsStudyArea:SCEEasternarea-SummerPeakwithoutRenewablesVoltageDeviationsPostCont.VoltageDeviation%Category201420172022IDSubstationWorstContingencyCategoryPotential