AES Alamitos Energy Center
AES Alamitos Energy, LLCLos Angeles County
AES Alamitos Energy Center (EIA plant 62115) is a 678-megawatt natural-gas-fired combined-cycle generating station located at 690 North Studebaker Road in Long Beach, Los Angeles County, California. Commercial operations began on February 6, 2020. The plant replaces aging generation at the predecessor Alamitos Generating Station site and provides reliable, high-efficiency natural-gas generation contracted to Southern California Edison under a 20-year tolling agreement. AES Alamitos Energy, LLC owns and operates the facility as part of the broader AES Southland Energy portfolio.
EIA plant 62115 · Inventory reporting month unavailable.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 1A | Natural Gas Fired Combined Cycle | Operating | 231 | Unknown |
| 1B | Natural Gas Fired Combined Cycle | Operating | 231 | Unknown |
| 1S | Natural Gas Fired Combined Cycle | Operating | 216 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1A | 231 MW 194 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Feb 2020 | Operating |
| 1B | 231 MW 194 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Feb 2020 | Operating |
| 1S | 216 MW 215 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Feb 2020 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Drag organizations to explore the network. Select a node to pin its details and available page link.
Project milestones and public references behind the asset profile.
AES acquired the existing Alamitos generating station from Southern California Edison as part of a three-plant transaction valued at $781 million in aggregate; no Alamitos-specific allocation of that consideration was disclosed.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
AES Southland Development, LLC filed the original CEC application to modernize the existing Alamitos Generating Station. The original proposal contemplated 1,936 MW of new gas-fired generation.
AES Southland Development submitted a Supplemental Application for Certification under docket 13-AFC-01, replacing the original filing and revising the design to a nominal 640 MW combined-cycle block plus a proposed 400 MW simple-cycle block.
The California Energy Commission certified the AEC project.
EIA-860 lists generator 1A, generator 1B, generator 1S with this operating date.
AES's FERC-registered-entities page identifies February 6, 2020 as the start of commercial operations for the approximately 640 MW AES Alamitos Energy generation station; EIA-based records identify the same facility as plant 62115 with 678 MW of nameplate capacity.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
AES Alamitos Energy Center reports 678 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Form 860M.
AES Alamitos Energy Center is a Natural Gas Fired Combined Cycle facility in Los Angeles County, CA, participating in the CAISO market.
AES Alamitos Energy Center is in Los Angeles County, CA, inside the CAISO balancing area.
AES Alamitos Energy Center is operated by AES Alamitos Energy, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
AES Alamitos Energy Center reported 1,192 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, AES Alamitos Energy Center ranks #196 of 540 operating plants of the same technology nationally. It ranks #12 of 64 in CA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.