Western Antelope Blue Sky Ranch A
Solar power plant in Los Angeles County, California. 20 MW of nameplate capacity across 1 generator, operated by AES Distributed Energy.
Also known as EIA plant 58626
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 20 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2014First generator online
- Operator
- AES Distributed EnergyEIA operator ID 61012
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Los Angeles County, CA34.6817, −118.3247
- EIA plant ID
- 58626EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Western Antelope Blue Sky Ranch A produces
Free · EIA-923Net generation, 2025
43.0 GWh
43,001 MWh, final
Capacity factor, 2025
24.5%
2024: 25.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
43.0–53.2
GWh a year. Low 2025, high 2018
| 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 | 2,084 | Not reported | 2 of 12 |
| 2015 | 52,141 | 29.8% | 12 of 12 |
| 2016 | 52,202 | 29.7% | 12 of 12 |
| 2017 | 52,725 | 30.1% | 12 of 12 |
| 2018 | 53,209 | 30.4% | 12 of 12 |
| 2019 | 51,434 | 29.4% | 12 of 12 |
| 2020 | 45,446 | 25.9% | 12 of 12 |
| 2021 | 49,824 | 28.4% | 12 of 12 |
| 2022 | 49,610 | 28.3% | 12 of 12 |
| 2023 | 44,514 | 25.4% | 12 of 12 |
| 2024 | 44,841 | 25.5% | 12 of 12 |
| 2025 | 43,001 | 24.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| WABSA | Solar Photovoltaic | 20.0 | November 2014 |
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 Distributed Energy as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Western Antelope Blue Sky Ranch A
How much power does Western Antelope Blue Sky Ranch A produce?
Western Antelope Blue Sky Ranch A reported 43,001 MWh (43.0 GWh) of net generation in 2025, a 24.5% capacity factor on 20 MW of nameplate capacity.
Where is Western Antelope Blue Sky Ranch A?
Western Antelope Blue Sky Ranch A is in Los Angeles County, California, at 34.6817, −118.3247. It is in the California Independent System Operator balancing area (CISO).
Who operates Western Antelope Blue Sky Ranch A?
EIA-860M for August 2026 lists AES Distributed Energy as the operator (EIA operator ID 61012). The operator is not always the owner.
When did Western Antelope Blue Sky Ranch A start operating?
Its first generator began operating in November 2014, according to EIA-860M.
Does InfraMap have power prices for Western Antelope Blue Sky Ranch A?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Western Antelope Blue Sky Ranch A, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page