AES Alamitos Energy Center
Natural gas power plant in Los Angeles County, California. 678 MW of nameplate capacity across 3 generators, operated by AES Alamitos Energy, LLC.
Also known as EIA plant 62115
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Key facts
- Capacity
- 678 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- February 2020First generator online
- Operator
- AES Alamitos Energy, LLCEIA operator ID 61669
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Los Angeles County, CA33.7672, −118.1002
- EIA plant ID
- 62115EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power AES Alamitos produces
Free · EIA-923Net generation, 2025
1.48 TWh
1,480,462 MWh, final
Capacity factor, 2025
24.9%
2024: 40.3%
January to July 2026
464 GWh
Provisional
Range, 2021 to 2025
1.5–3.5
TWh a year. Low 2025, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 1,233,825 | Not reported | 11 of 12 |
| 2021 | 2,930,114 | 49.3% | 12 of 12 |
| 2022 | 3,451,862 | 58.1% | 12 of 12 |
| 2023 | 2,704,033 | 45.5% | 12 of 12 |
| 2024 | 2,397,914 | 40.3% | 12 of 12 |
| 2025 | 1,480,462 | 24.9% | 12 of 12 |
| 2026 (provisional, partial year) | 464,486 | 13.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Dry cooling
Watershed stress
High · 0.799
USGS SUI, HUC12 Alamitos Bay
0 of 12 cooling months report withdrawal. Dry cooling with no reported withdrawal; not tested. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1A | Natural Gas Fired Combined Cycle | 231.0 | February 2020 |
| 1B | Natural Gas Fired Combined Cycle | 231.0 | February 2020 |
| 1S | Natural Gas Fired Combined Cycle | 216.0 | February 2020 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists AES Alamitos Energy, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about AES Alamitos
How much power does AES Alamitos Energy Center produce?
AES Alamitos Energy Center reported 1,480,462 MWh (1.48 TWh) of net generation in 2025, a 24.9% capacity factor on 678 MW of nameplate capacity. From January to July 2026 it reported 464 GWh, which is provisional.
Where is AES Alamitos Energy Center?
AES Alamitos Energy Center is in Los Angeles County, California, at 33.7672, −118.1002. It is in the California Independent System Operator balancing area (CISO).
Who operates AES Alamitos Energy Center?
EIA-860M for August 2026 lists AES Alamitos Energy, LLC as the operator (EIA operator ID 61669). The operator is not always the owner.
When did AES Alamitos Energy Center start operating?
Its first generator began operating in February 2020, according to EIA-860M.
Does InfraMap have power prices for AES Alamitos Energy Center?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to AES Alamitos Energy Center, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page