Arlington Energy Center II
Solar and battery storage project in Riverside County, California. 365 MW of nameplate capacity across 3 generators, operated by Arlington Energy Center II.
Also known as EIA plant 64481
This project groups Arlington Energy Center II (EIA 64481). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 365 MWSolar 233.0 · Battery storage 132.0
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- March 2022First generator online
- Operator
- Arlington Energy Center IIEIA operator ID 64144
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 2 CAISO nodesResource nodes with prices
- Location
- Riverside County, CA33.6909, −114.7749
- EIA plant ID
- 64481EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Arlington Energy Center II produces
Free · EIA-923Net generation, 2025
633 GWh
633,467 MWh, final
Capacity factor, 2025
32.2%
2024: 32.4%
January to July 2026
400 GWh
Provisional
Range, 2023 to 2025
332.5–635.6
GWh a year. Low 2023, high 2024
| 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 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | 96,223 | Not reported | 5 of 12 |
| 2023 | 332,463 | Not reported | 12 of 12 |
| 2024 | 635,630 | 32.4% | 12 of 12 |
| 2025 | 633,467 | 32.2% | 12 of 12 |
| 2026 (provisional, partial year) | 400,094 | 35.3% | 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, 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 |
|---|---|---|---|
| AEC1 | Solar Photovoltaic | 100.0 | March 2022 |
| AEC2 | Solar Photovoltaic | 133.0 | October 2023 |
| AEC2B | Batteries | 132.0 | August 2022 |
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 Arlington Energy Center II 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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Power plants near Arlington Energy Center II
Questions about Arlington Energy Center II
How much power does Arlington Energy Center II produce?
Arlington Energy Center II reported 633,467 MWh (633 GWh) of net generation in 2025, a 32.2% capacity factor on 365 MW of nameplate capacity. From January to July 2026 it reported 400 GWh, which is provisional.
Where is Arlington Energy Center II?
Arlington Energy Center II is in Riverside County, California, at 33.6909, −114.7749. It is in the California Independent System Operator balancing area (CISO).
Who operates Arlington Energy Center II?
EIA-860M for August 2026 lists Arlington Energy Center II as the operator (EIA operator ID 64144). The operator is not always the owner.
Is Arlington Energy Center II a solar or a battery storage plant?
Both. Solar capacity totals 233 MW and battery storage capacity totals 132 MW.
When did Arlington Energy Center II start operating?
Its first generator began operating in March 2022, according to EIA-860M.
Does InfraMap have power prices for Arlington Energy Center II?
Yes. InfraMap has CAISO day-ahead and real-time prices at 2 price nodes linked to Arlington Energy Center II, 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