How big is AES Huntington Beach LLC?

AES Huntington Beach LLC has a reported capacity of 218 MW. Source: EIA Form 860.

What kind of plant is AES Huntington Beach LLC?

AES Huntington Beach LLC is a Natural Gas Steam Turbine facility in Orange County, CA, participating in the CAISO market.

Where is AES Huntington Beach LLC located?

AES Huntington Beach LLC is in Orange County, CA, inside the CAISO balancing area.

Who operates AES Huntington Beach LLC?

AES Huntington Beach LLC is operated by AES Huntington Beach LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

When did AES Huntington Beach LLC start operating?

AES Huntington Beach LLC reports a commercial operation date of 1958. Current status: operating. Source: EIA Form 860.

How much electricity does AES Huntington Beach LLC generate?

AES Huntington Beach LLC reported 6.9 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does AES Huntington Beach LLC connect to the grid?

AES Huntington Beach LLC interconnects at Huntington Beach Switching Station (HUNTGBCH bus 24069), on the Southern California Edison system.

How does AES Huntington Beach LLC compare to other plants?

By capacity, AES Huntington Beach LLC ranks #34 of 257 operating plants of the same technology nationally. It ranks #3 of 7 in CA.

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Natural Gas Steam TurbineCAISO · Orange County

AES Huntington Beach LLC

The AES Corporation · Orange County · CAISO

AES Huntington Beach LLC is a natural gas-fired power facility with 218 MW of EIA-reported nameplate capacity in Orange County, California, registered as EIA Plant ID 335. AES Huntington Beach LLC owns and operates the plant, a subsidiary of The AES Corporation. The plant's generating configuration is one Unit 2 natural-gas-fired steam-turbine/boiler generating unit and EIA codes NG/ST. Commercial operation began in 1958.

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plant:plant-335

Ask about AES Huntington Beach LLC

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

Overview

Key fields

Reported capacity: 218 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Steam Turbine
Primary generation technology.
Registry anchor: Plant 335
AES Huntington Beach LLC · Orange County · CAISO
Operating status: Operating
AES Huntington Beach LLC is currently operating; a closure or retirement is listed for December 31, 2026.
Grid connection: Huntington Beach Switching Station (HUNTGBCH bus 24069)
230 kV · Southern California Edison
Commercial operation: 1958
Best-supported operating milestone.

Profile

Operating status: AES Huntington Beach LLC is currently operating; a closure or retirement is listed for December 31, 2026.
Grid role: Legacy peaking and emergency-reliability resource supporting peak demand and available to CAISO through the extended summer-season reliability program; this is not described as a capacity-market obligation.
Grid connection: Huntington Beach Switching Station (HUNTGBCH bus 24069) · 230 kV · Southern California Edison.
Physical build: One operating legacy natural-gas-fired steam-turbine generating unit at AES Huntington Beach LLC: one boiler and one conventional steam turbine, with a nominal output of approximately 225 MW and EIA net summer capacity of 225.8 MW. The unit is the legacy Huntington Beach Generating Station Unit 2, not the separate Huntington Beach Energy Project.

Structured profile

Reported capacity: 218 MW
Natural Gas Steam Turbine
Commercial operation: 1958
Operating status: operating
AES Huntington Beach LLC is currently operating; a closure or retirement is listed for December 31, 2026.
Retirement: December 31, 2026
AES Huntington Beach LLC is currently operating; a closure or retirement is listed for December 31, 2026.
Interconnection

Units and generators

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

Generator	Capacity	Technology	Operation	Status
1	218 MW 225.8 MW summer	Natural Gas Steam Turbine Natural Gas · ST	Jun 1958 Retirement: Dec 2019	Operating
2	218 MW 225.8 MW summer	Natural Gas Steam Turbine Natural Gas · ST	Dec 1958 Retirement: Dec 2026	Operating
3	225 MW 225 MW summer	Natural Gas Steam Turbine Natural Gas · ST	May 1961 Retirement: Dec 2020	Operating

Performance

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

Peer context

Technology capacity: 888 MW
National rank: #34
CA rank: #3

Monthly generation

Download CSV

Latest 12 months

6.9 GWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

0.3%

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

HUNTINGTON BEACH

IN SERVICE · 230 kV

0.3 km

TAP302704

Commercial, land, and environmental record

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

Land and environmental record

Operational Site Acreage

California Energy Commission describes the Huntington Beach Generating Station operational site as approximately 12 acres.

Huntington Beach Generating Station | California Energy Commission

Powerplant Certification And Emissions-Related Equipment

May 10, 2001

CEC Docket 00-AFC-13; approved May 10, 2001

CEC certification docket 00-AFC-13 for Huntington Beach Generating Station. Approved retooling of legacy units with new natural-gas burners, burner-management system, new draft fans, and selective catalytic reduction emissions-control equipment.

Huntington Beach Generating Station | California Energy Commission

Wastewater And Waste Management

Dec 4, 2020

Once-through cooling water, boiler blowdown, condensate overboard, low-volume wastes, stormwater permitted at Discharge Point 001

NPDES order identifies discharge streams including once-through cooling, boiler blowdown, condensate overboard, low-volume process wastes, and stormwater. Chemical metal-cleaning wastes collected and transported off-site for treatment.

Source

Wastewater Discharge Permit

Dec 4, 2020

CA0001163 / Order R8-2020-0040

Santa Ana Regional Water Board Order R8-2020-0040 is the waste-discharge-requirements and NPDES permit for AES Huntington Beach, LLC's Huntington Beach Generating Station.

Source

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 / operatorContractorMarket / regulatorOrganization

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

1958
1958
Original construction and commercial operation of Units 1 and 2BDL Comment...
The California Public Utilities Commission records Units 1 and 2 of the Huntington Beach Generating Station as commercially operational in 1958; EIA plant 335 corresponds to the legacy Unit 2 resource.
Jun 1958

View 10 more milestones

1960
1960
Commercial operation of Units 3 and 4BDL Comment...
The same station history records Units 3 and 4 as commercially operational in 1960.
May 1961
May 1961
Generator enters operationEIA-860
EIA-860 lists generator 3 with this operating date.
Jul 1961
Jul 1961
Generator enters operationEIA-860
EIA-860 lists generator 4 with this operating date.
May 1998
May 1998
Acquisition by AES from Southern California EdisonAES Buys 3 ...
On or about May 1998, AES Huntington Beach acquired the Huntington Beach electricity-generation facility from Southern California Edison. The three-station AES purchase price was $781 million.
May 10, 2001
May 10, 2001
CEC certification and legacy-unit retoolingHuntington ...
The CEC certified the Huntington Beach Generating Station retool project. AES retooled Units 3 and 4 with new natural-gas burners, burner-management systems, draft fans, and selective catalytic reduction equipment; these units had been out of service since 1995.
Aug 7, 2003
Aug 7, 2003
Retool project commercial operationHuntington ...
The CEC records August 7, 2003 as the commercial-operation date for the certified natural-gas-fired retool project.
2012
2012
Units 3 and 4 converted for voltage supportHuntington ...
AES obtained CEC approval to convert the retooled Units 3 and 4 to synchronous condensers to provide voltage support required for the Los Angeles Basin by CAISO.
Jul 2017
Jul 2017
Southland repowering financial closeAES closes ...
AES closed approximately $2.0 billion of non-recourse financing for the broader Southland repowering project, which included replacement facilities at Huntington Beach, Alamitos, and Redondo Beach.
Dec 2019
Dec 2019
Retirement of legacy Unit 1Huntington ...
Unit 1 was retired approximately in December 2019 to facilitate first fire and commercial operation of the separate Huntington Beach Energy Project combined-cycle units.
Jun 25, 2020
Jun 25, 2020
Separate Huntington Beach Energy Project combined-cycle operationHuntington ...
The CEC records the separate 644 MW combined-cycle gas-turbine generator at the Huntington Beach Energy Project as beginning operation on June 25, 2020.

AES Huntington Beach LLC

Ask about AES Huntington Beach LLC

AES Huntington Beach LLC

Ask about AES Huntington Beach LLC

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

Land and environmental record

Related parties and identifiers

Relationship graph

Timeline and sources

Project timeline

Parties and identifiers

Reporting portfolio

Sources

Common questions about AES Huntington Beach LLC

How big is AES Huntington Beach LLC?

What kind of plant is AES Huntington Beach LLC?

Where is AES Huntington Beach LLC located?

Who operates AES Huntington Beach LLC?

When did AES Huntington Beach LLC start operating?

How much electricity does AES Huntington Beach LLC generate?

Where does AES Huntington Beach LLC connect to the grid?

How does AES Huntington Beach LLC compare to other plants?

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