How big is Crockett Cogen Project?

Crockett Cogen Project has a reported capacity of 247 MW. Source: EIA Form 860.

What kind of plant is Crockett Cogen Project?

Crockett Cogen Project is a Natural Gas Fired Combined Cycle facility in Contra Costa County, CA, participating in the CAISO market.

Where is Crockett Cogen Project located?

Crockett Cogen Project is in Contra Costa County, CA, inside the CAISO balancing area.

Who operates Crockett Cogen Project?

Crockett Cogen Project is operated by Crockett Cogeneration according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Crockett Cogen Project generate?

Crockett Cogen Project reported 1,100.6 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Crockett Cogen Project compare to other plants?

By capacity, Crockett Cogen Project ranks #398 of 538 operating plants of the same technology nationally. It ranks #32 of 64 in CA.

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Natural Gas Fired Combined CycleCAISO · Contra Costa County

Crockett Cogen Project

Hull Street Energy · Contra Costa County · CAISO

Crockett Cogen Project is a natural gas-fired power facility with 247 MW of EIA-reported operating capacity in Contra Costa County, California, registered as EIA Plant ID 55084. Hull Street Energy, LLC is the current owner; Crockett Cogeneration is the registered plant entity or operator. The plant's generating configuration is one natural-gas-fired combined-cycle cogeneration train comprising a GE 7FA gas-turbine generator, heat-recovery steam generator, steam turbine, and single-shaft electric generator and includes three backup auxiliary boilers and supplemental duct firing. Hull Street Energy, LLC acquired a 91.7% interest in the plant from BlackRock's Global Energy & Power Infrastructure Fund I in December 2021. Commercial operation began on May 1, 1996.

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Asset analyst

plant:plant-55084

Ask about Crockett Cogen Project

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

Overview

Key fields

Reported capacity: 247 MW
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
Technology: Natural Gas Fired Combined Cycle
Primary generation technology.
Registry anchor: Plant 55084
Crockett Cogeneration · Contra Costa County · CAISO
Operating status: Operating
Crockett Cogen Project is operating.
Commercial operation: May 1, 1996
Best-supported operating milestone.

Profile

Grid role: Cogeneration serving the adjacent C&H Sugar refinery with steam while providing reliable electrical generation and reliability support to the Bay Area grid.
Physical build: The project consists of one GE 7FA gas-turbine generator, one heat-recovery steam generator, one steam turbine, one single-shaft electric generator, one air-cooled steam condenser, three backup auxiliary boilers, supplemental duct firing, selective catalytic reduction equipment, a water-treatment area, switchyard and substation. A 2012 post-certification amendment added electric-motor-driven natural-gas compression equipment.

Structured profile

Reported capacity: 247 MW
Natural Gas Fired Combined Cycle
Commercial operation: May 1, 1996
Operating status: operating
Crockett Cogen Project is operating.
Location: Contra Costa County
CAISO
Operator

Units and generators

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

Generator	Capacity	Technology	Operation	Status
GE1	247 MW 247 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CS	Dec 1995	Operating

Performance

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

Peer context

Technology capacity: 247 MW
National rank: #398
CA rank: #32

Monthly generation

Download CSV

Latest 12 months

1.1 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

58.9%

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

CROCKETT

NOT AVAILABLE · 60 kV

1.0 km

UNOCAL

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

PPA Amendment

Feb 14, 2008

PG&E's Third Amendment to Standard Offer 4 PPA provided PG&E dispatch rights through December 31, 2009. Contracted capacity not disclosed.

Crockett Cogeneration · Pacific Gas and Electric Company

Advice 3209-E QF Contract Amendments

Curtailment Agreement

Apr 7, 2017

PG&E and Crockett executed Letter Agreements on April 7 and April 28, 2017 concerning curtailment of facility. Compensation and term not disclosed.

Crockett Cogeneration · Pacific Gas and Electric Company

Advice Letter 5118-E

Resource Adequacy Capacity Commitment

Jun 1, 2026

PG&E's 2025 procurement summary lists Crockett Cogen CHP scheduling resource for Bay Area June 1–December 31, 2026 with 100 MW capacity reported. Bilateral counterparty economics not publicly disclosed.

100 MW contractedPacific Gas and Electric Company · Crockett Cogeneration

Advice Letter 7704E

Land and environmental record

Air Permit

Sep 16, 2024

Permit No. BAAQMD Facility A8664 with sources S-201 through S-205

Title V air permit issued by Bay Area Air Quality Management District. Source S-201: natural-gas gas turbine (GE PG7241 FA+Enhanced, 159 MW nominal); S-202: HRSG duct burner; S-203–S-205: natural-gas auxiliary steam boilers.

Source

Environmental Certification

Apr 26, 1993

CEC Docket 92-AFC-01; Certification issued April 26, 1993

California Energy Commission certified siting, construction, and operation. Commercial operation began May 1, 1996.

Crockett Cogeneration Project | California Energy Commission

Environmental Compliance Milestone

Mar 14, 2012

CEC amendment TN 64473 – Approval of electric motor-driven natural-gas compression equipment

CEC approved installation of electric motor-driven natural-gas compression equipment. Mitigation measures were conditions of approval; no significant environmental effect.

Crockett Cogeneration Project | California Energy Commission

Land Lease

Apr 7, 2026

Lease 7691 – General Lease–Industrial Use on sovereign land, Carquinez Strait

State Lands Commission issued General Lease–Industrial Use Lease 7691 beginning April 7, 2026 for 20-year term to support continued electricity and steam supply.

Staff Report 31

Permitted Flow

Feb 1, 2022

500,400 gallons per day permitted flow (Discharge Point 001, monthly average)

NPDES permit lists permitted monthly-average flow of 500,400 gpd for Discharge Point 001; facility average flow 214,700 gpd.

Crockett Cogen NPDES Permit Admin Draft

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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AssetOrganizationOwner / operatorFinancier

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Apr 26, 1993
Apr 26, 1993
CEC CertificationCrockett Co...
The California Energy Commission certified the Crockett Cogeneration Project under docket 92-AFC-01.
Dec 1995
Dec 1995

Crockett Cogen Project

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Crockett Cogen Project

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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 Crockett Cogen Project

How big is Crockett Cogen Project?

What kind of plant is Crockett Cogen Project?

Where is Crockett Cogen Project located?

Who operates Crockett Cogen Project?

How much electricity does Crockett Cogen Project generate?

How does Crockett Cogen Project compare to other plants?

Co-located assets

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