PGandE Annual Progress Report



2017 Annual Progress Report to WECCPacific Gas and Electric CompanyWaiver of “Significant Transmission Project” StatusTable 1 and 2 update the planned transmission and generation projects, respectively, in PG&E service area that were presented in PG&E’s 2012, 2013, 2014, and 2015 Annual Progress Report. These projects were granted the waiver of “Significant Transmission Project” status for the purpose of Project Coordination Review Process. Table 3 and 4 list the planned transmission and generation projects, respectively, in PG&E service area requesting waiver of “Significant Transmission Project” status. The purposes of these projects are for serving local load, to enhance or maintain local reliability, and/or to reduce local capacity requirements. These projects are not expected to have significant impacts on the operation of the Western Interconnected System. PG&E requests waivers of the “Significant Transmission Project” status for the purpose of Project Coordination Review Process. Table 1Planned Transmission ProjectsWaiver of “Significant Transmission Project” Status Granted in 2012, 2013, 2014, 2015 and 2016PROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEMoraga Transformer No. 2 Capacity IncreaseReplace Transformer number 2, 230/115 kV at Moraga Substation with a 420 MVA rated unit.In ServiceContra Costa – Moraga 230 kV Reconductoring Reconductor the Contra Costa - Moraga 230 kV DCTL with larger capacity conductors.In ServiceWeber 230/60 kV Transformer Nos. 2 and 2A ReplacementReplace Weber 230/60 kV Transformer Nos. 2 and 2a with a new transformer rated at least 300 MVA with LTC and associated equipmentIn ServiceLos Banos-4C779 #1 230kV Line Reconductoring ProjectReconductor 4.5 miles of the Los Banos - Panoche 230 kV No. 1 Line with a higher capacity conductorIn ServiceEmbarcadero-Potrero 230 kV ProjectConstruct a new 230 kV underground cable to connect Embarcadero and Potrero substations.In ServiceMidway Fault Duty Mitigation ProjectInstall reactors at 230 kV side of Midway transformer banks 11, 12 and 13.Apr-17Contra Costa sub 230kV Switch ReplacementReplace 230 kV Switch No. 239 at Contra Costa Substation that currently limits the Contra Costa PP-Contra Costa Sub 230 kV Line to 1600 Amps. Any other limiting element will be replaced as well.Dec-17Warnerville-Wilson 230 kV Series ReactorInstall a 230 kV multi-step Reactor totaling 50.5 ohms, and associated equipment at Wilson Substation, on the Warnerville-Wilson 230 kV lineDec-17PROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEGregg-Herndon #2 230 kV Line Circuit Breaker Replace limiting terminal equipment on the Herndon-Gregg #2 230 kV Line at Herndon substation.Mar-18Ashlan-Gregg and Ashlan-Herndon 230 kV ReconductorReconductor limiting sections of Ashlan-Gregg and Ashlan-Herndon 230 kV sections with higher rated conductors.May-18Glenn 230/60 kV Transformer No. 1 ReplacementReplace the existing 230/60 kV Transformer No. 1 and regulator at Glenn with a new 3-phase, 230/60 kV with a Load Tap Changer.Dec-18Wheeler Ridge Voltage Support Install three 75 MVAR steps of mechanically switched capacitors on the Wheeler Ridge 230 kV bus, expand the 230 kV bus as necessary reconductor 0.5 miles of the Wheeler Ridge-Lakeview 70 kV line and transfer Copus from the Old River-Copus 70 kV line to the Wheeler Ridge-Lakeview 70 kV line.Mar-19Kearney-Herndon 230 kV Line ReconductorReconductor 10 miles of the Kearney - Herndon 230 kV Line Mar-19Morro Bay 230/115 kV TransformerInstall an additional 230/115 kV transformer at Morro Bay Substation rated for 200 MVA or higher.Apr-19Borden 230 kV Voltage SupportThis project proposes to loop the Wilson-Gregg 230 kV Line into Borden Substation (Borden) and install 200 MVARs of mechanically switched capacitors on the Borden 230 kV bus. May-19Estrella Substation Construct a new Estrella 230/70 kV substation, with Breaker and a Half (BAAH) bus configuration , approximately 5 miles east of the existing Paso Robles Substation. Install one 45 MVA distribution 230/12 kV, 2 feeder breakers and associated outletsMay-19Diablo Canyon Voltage Support ProjectInstall a +150/-75 MVAR Reactive support device at Diablo Canyon 230 kV SubstationJul-19Eight Mile - Lodi Re-conductoring Economic Project Reconductor 2.3 miles of the Lodi - Eight Mile 230 kV Line with higher capacity conductors.Sep-19Kern PP 230 kV Area Reinforcement Project? Convert Kern PP 230 kV double bus single breaker arrangement to breaker and a half? Replace limiting equipment on Kern PP 230/115 kV transformer No. 4 as necessary to achieve full transformer rating Install a 230/115 kV Transformer Special Protection Scheme at Kern 115 kV to mitigate overloads of Kern PP Transformer Nos. 3, 4, and 5 Mar-20Monta Vista 230 kV Bus UpgradeInstall bus-sectionalizing and bus-parallel breakers on the Monta Vista 230 kV busApr-20Tulucay 230/60 kV Transformer No.1 Capacity IncreaseThis project proposes to replace Tulucay Circuit Breaker No. 62 and all of its associated switches with a circuit breaker rated at 2000 Amps or higher. Any other associated terminal equipment will also be replaced as necessaryApr-20PROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEWheeler Ridge Junction SubstationConstruct a new 230/115 kV Substation with Breaker and a Half at Wheeler Ridge Junction, Convert 15.5 miles of the Wheeler Ridge – Lamont 115 kV Line to 230 kVMay-20Midway-Kern PP 230 kV #2 Line ProjectReconductor the Midway-Kern #1 230 kV Line, split it to Midway-Kern #1 and #2 230kV Lines, remove crosstie connections to split the Midway-Kern #1 Line into two circuits, reconductor the Bakersfield #1 and #2 230 kV Taps, loop Bakersfield 230 kV substation, remove Stockdale 230 kV Tap #1 and #2 from the Midway-Kern lines and relocate to Kern PP 230 kV busJul-20Moraga - Castro Valley 230 kV Line Capacity Increase ProjectUpgrade the limiting substation equipment (jumper conductors and wave traps) at Moraga and Castro Valley substationsMar-21Morgan Hill Area Reinforcement ProjectConstruct new 230/115 kV Spring Substation in Morgan Hill, with connections into the Metcalf-Moss Landing No. 2 230 kV Line and the Morgan Hill-Llagas 115 kV Line.May-21Rio Oso 230/115 kV TransformersReplace the Rio Oso 230/115 kV transformers (Nos. 1 and 2) with two 420 MVA rated transformers. Convert 115 kV bus to BAAH.Jul-21Rio Oso Area 230 kV Voltage SupportInstall a new Static Var Compensator (SVC) at Rio Oso Substation and a new Shunt Capacitor at Atlantic Substation.Feb-22Martin 230 kV Bus ExtensionRelocate the Jefferson-Martin 230 kV Line and one of the Martin-Embarcadero 230 kV Lines into a new 230 kV switchyard near Martin Substation.Apr-22Fulton 230/115 kV TransformerThis project proposes to install a 230/115 kV transformer at Fulton Substation rated for 420 MVA or higher.May-22Pittsburg 230/115 kV Transformer Capacity IncreaseInstall 3rd 230/115 kV Transformer at Pittsburg Substation with a rating of 420 MVAMay-22Bellota – Warnerville 230 kV Line ReconductoringReconductor the Bellota – Warnerville 230 kV Line with a larger capacity conductorAug-22Warnerville - Bellota 230 kV line reconductoringReconductor the Warnerville-Bellota 230 kV lineAug-22Gates No. 2 500/230 kV TransformerInstall a second 500/230/13.8 kV transformer (three single-phase units, 374 MVA each) at Gates SubstationDec-22Rio Oso – Atlantic 230 kV LineConstruct a second Rio Oso – Atlantic 230 kV Line.Dec-22Lockeford-Lodi Area 230 kV DevelopmentConstruct new 15 mile 230 kV DCTL from Eight Mile Substation to Lockeford SubstationDec-22Central Valley Power Connect aka Gates-Gregg 230 kV New LineBuild new DCTL (roughly 60 miles) of Gates-Gregg 230 kV line and upgrade substation equipment.Dec-22(on hold)Midway-Andrew 230 kVUpgrade existing 65 miles long Midway-Santa Maria 115KV line to 230kVJun-25Midway-Kern PP 230 kV Line Nos. 1, 3 and 4 Capacity Increase ProjectReplace limiting components at Kern PP and Midway Substations, to achieve full capacity on the Midway-Kern 230 kV Line Nos. 1, 3 and 4Nov-26PROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEVaca Dixon - Lakeville 230 kV ReconductoringReconductor the Vaca – Lakeville No. 1, Tulucay – Vaca, and Tulucay – Lakeville 230 kV Lines with larger capacity conductors.CancelledTesla - Newark 230 kV Upgrade IIReconductor limiting sections of Tesla - Newark 230 kV No. 2 with larger capacity conductors.CancelledSan Mateo Synchronous Condensor ReplacementInstall reactive support device to replace old synchronous condensers at 115kV. CancelledMoraga-Potrero 230 kV ProjectEstablish a 230 kV connection between Moraga and Potrero Substations. CancelledTable 2Planned Generation Interconnection ProjectsWaiver of “Significant Transmission Project” Status Granted in 2014, 2015 and 2016 NOTEREF _Ref380586530 \h \* MERGEFORMAT 1PROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICETranquility Solar Generation ProjectInterconnect a 200 megawatt (MW) (net output) of generation facility to a new PG&E owned 230 kV switching station that loops into PG&E’s Panoche – Helm and Panoche – Kearney 230 kV lines. In ServicePanoche Valley Generation Interconnection ProjectInterconnect a 240 MW (net output) of generation facility to a new PG&E owned 230kV switching station that loops into PG&E’s Moss Landing – Panoche and Coburn – Panoche 230 kV Lines. Construct a new 3 Bay, 8 breaker Switching station (BAAH)Dec-17Wright Solar ParkInterconnect a 200 MW (net output) solar-based generation facility to Los Banos – Panoche 230 kV Line No. 1 by looping in through a new PG&E-owned? switching station. The new Switching Station is a 2-Bay, 5 Breaker 230 kV.Feb-18California Flats Solar Generation Interconnection ProjectInterconnect 280 MW solar generation to Morro Bay - Gates 230 kV Line Number 2.Jul-18Oakley Generation Interconnection ProjectTo interconnect 651 MW of new generation, install a new 230 kV circuit breaker at Contra Costa Substation, install SPS at Contra Costa Substation, reconductor Contra Costa – Delta Pumps 230 kV Line, only east circuit, reconductor Las Positas – Newark 230 kV Line, only west circuit.Project in suspension (Dec-18)Table 3Planned Transmission ProjectsRequesting Waiver of “Significant Transmission Project” StatusPROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEBellota 230 kV Substation Shunt ReactorInstall 100 MVar Shunt Reactor at Bellota 230 kV SubstationJan-19Delevan 230 kV Substation Shunt ReactorInstall 200 MVar Shunt Reactor at Delevan 230 kV SubstationFeb-19Los Esteros 230 kV Substation Shunt ReactorInstall 250 MVar Shunt Reactor at Los Esteros 230 kVMay-19Ignacio 230 kV Substation Shunt ReactorInstall 150 MVar Shunt Reactor at Ignacio 230 kV SubstationJun-20Table 4Planned Generation Interconnection ProjectsRequesting Waiver of “Significant Transmission Project” StatusPROJECT NAMEPROJECT DESCRIPTIONDATE IN SERVICEQ1032 / Tranquillity 8The Project is a Photovoltaic generation and Battery Storage system with a total rated output of 200 MW to Pacific Gas and Electric Company’s (PG&E’s) 230kV Tranquillity BAAH SwitchyardDec-17 ................
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