How big is Pastoria Energy Facility, LLC?

Pastoria Energy Facility, LLC has a reported capacity of 779 MW. Source: EIA Form 860.

What kind of plant is Pastoria Energy Facility, LLC?

Pastoria Energy Facility, LLC is a Natural Gas Fired Combined Cycle facility in Kern County, CA, participating in the CAISO market.

Where is Pastoria Energy Facility, LLC located?

Pastoria Energy Facility, LLC is in Kern County, CA, inside the CAISO balancing area.

Who operates Pastoria Energy Facility, LLC?

Pastoria Energy Facility, LLC is operated by Calpine Corp - Pastoria Energy Center according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Pastoria Energy Facility, LLC generate?

Pastoria Energy Facility, LLC reported 3,529.8 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does Pastoria Energy Facility, LLC connect to the grid?

Pastoria Energy Facility, LLC interconnects at Pastoria Substation, on the Southern California Edison system.

How does Pastoria Energy Facility, LLC compare to other plants?

By capacity, Pastoria Energy Facility, LLC ranks #150 of 538 operating plants of the same technology nationally. It ranks #6 of 64 in CA.

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Natural Gas Fired Combined CycleCAISO · Kern County

Pastoria Energy Facility, LLC

Calpine Corporation · Kern County · CAISO

Pastoria Energy Facility, LLC is a natural gas-fired power facility with 779 MW of EIA-reported nameplate capacity in Kern County, California, registered as EIA Plant ID 55656. Calpine Corporation owns and operates the plant. Pastoria is a large CAISO natural-gas combined-cycle facility in Kern County: the EIA record reports 779 MW of nameplate capacity across five generating units, while the California Energy Commission describes the certified project as nominally 750 MW. Commercial operation began on July 5, 2005.

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plant:plant-55656

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Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Overview

Key fields

Reported capacity: 779 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combined Cycle
Primary generation technology.
Registry anchor: Plant 55656
Calpine Corp - Pastoria Energy Center · Kern County · CAISO
Operating status: Operating
Pastoria Energy Facility, LLC is operating.
Grid connection: Pastoria Substation
230 kV · Southern California Edison
Commercial operation: July 5, 2005
Best-supported operating milestone.

Profile

Grid role: Reliability-supporting combined-cycle generation associated with the existing SCE-area Pastoria Energy Facility Remedial Action Scheme (PEF RAS).
Grid connection: Pastoria Substation · 230 kV · Southern California Edison.
Physical build: Pastoria is a natural-gas combined-cycle thermal plant. The documented build includes three 168 MW General Electric 7FA combustion-turbine generators, two steam turbines rated 185 MW and 90 MW, three HRSGs, five generators, three HRSG stacks, three inlet-air filters, three inlet-air-cooling systems, three fuel-gas filter/separators, one turbo expander, three emissions-control systems, three ammonia-injection skids, three ammonia-storage tanks, four step-up transformers, and cooling-tower banks with 24 cells. Associated infrastructure includes a 1.38-mile 230-kV transmission line, an 11.65-mile natural-gas pipeline, a 0.15-mile water pipeline, and a 0.85-mile access road.

Structured profile

Reported capacity: 779 MW
Natural Gas Fired Combined Cycle
Commercial operation: July 5, 2005
Operating status: operating
Pastoria Energy Facility, LLC is operating.
Interconnection: Pastoria Substation
230 kV · Southern California Edison
Location

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
CT01	168 MW 172 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Jul 2005	Operating
CT02	168 MW 172 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Jul 2005	Operating
CT04	168 MW 165 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	May 2005	Operating
ST03	185 MW

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 779 MW
National rank: #150
CA rank: #6

Monthly generation

Download CSV

Latest 12 months

3.53 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

53.1%

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

LEBEC

IN SERVICE · 230 kV

0.1 km

PASTORIA

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Resource Adequacy Contract Approval

Nov 20, 2007

California Public Utilities Commission Decision 07-11-047 approved the 2009-2011 resource adequacy confirmation under which Southern California Edison procured capacity from Pastoria Energy Facility in the BC/V Local Area.

3 yearsSouthern California Edison Company · Calpine Energy Services

Microsoft Word - 75528.DOC

Land and environmental record

Air-Permit Compliance Milestone

Aug 27, 2025

The latest SJVAPCD Title V renewal application for S-3636 was submitted August 27, 2025; final district action was due March 8, 2027.

The SJVAPCD Title V Renewal Project Report lists S-3636 for Pastoria Energy Facility LLC at 39789 Edmonston Pumping Plant Road, Lebec, with the 2025 application and 2027 final-action dates.

SJVAPCD Title V Renewal Project Report

Cooling And Air-Quality Amendment

Dec 18, 2002

The cooling system includes cooling towers; CEC approved a minor increase in cooling-tower PM10 emissions and later eliminated the passive plume-abatement system from the cooling-tower design.

CEC amendments identify changes to cooling-tower PM10 conditions AQ-24, AQ-55, AQ-58, AQ-64, and AQ-67, and separately record elimination of the passive plume-abatement system and deletion of VIS-7.

Pastoria Energy Facility | California Energy Commission

Emissions Control Amendment

Jan 11, 2002

CEC later approved conversion from aqueous to anhydrous ammonia for emissions control and approved continuous-emission-monitoring verification changes.

The CEC records the anhydrous-ammonia conversion approval as TN 21721 and separately identifies a CEMS-related verification change under TN 23901.

Pastoria Energy Facility | California Energy Commission

Environmental Certification And Operating Status

Dec 20, 2000

CEC certification docket 99-AFC-07 was approved on December 20, 2000; the facility began commercial operation on July 5, 2005 and is listed as operational.

The CEC identifies the facility as a 750-MW natural-gas combined-cycle plant in Kern County and lists docket 99-AFC-07 and operational status.

Pastoria Energy Facility | California Energy Commission

Environmental Site Assessment

Feb 10, 2000

The retrieved records establish Phase I Environmental Site Assessment filings; the retrieved excerpts do not establish a confirmed remediation project, contaminated-site determination, or cleanup milestone for the exact facility.

The CEC docket lists a Phase 1 Environmental Assessment and later transmittal of a Phase I Environmental Site Assessment for the Pastoria Energy Facility; the retrieved excerpts do not state a remediation finding or cleanup action.

California Energy Commission : Docket Log

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetOwner / operatorOfftakerFinancier

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Dec 20, 2000
Dec 20, 2000
CEC CertificationPastoria En...
The California Energy Commission certified the nominally 750-MW natural-gas-fired combined-cycle Pastoria project under docket 99-AFC-07.
Jan 11, 2002

Pastoria Energy Facility, LLC

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Pastoria Energy Facility, LLC

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Overview

Key fields

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Land and environmental record

Related parties and identifiers

Relationship graph

Timeline and sources

Project timeline

Parties and identifiers

Reporting portfolio

Sources

Common questions about Pastoria Energy Facility, LLC

How big is Pastoria Energy Facility, LLC?

What kind of plant is Pastoria Energy Facility, LLC?

Where is Pastoria Energy Facility, LLC located?

Who operates Pastoria Energy Facility, LLC?

How much electricity does Pastoria Energy Facility, LLC generate?

Where does Pastoria Energy Facility, LLC connect to the grid?

How does Pastoria Energy Facility, LLC compare to other plants?

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