Blythe Mesa Solar II
Solar and battery storage project in Riverside County, California. 335.6 MW of nameplate capacity across 2 generators, operated by Intersect USA, LLC.
Also known as Athos III Solar + Storage · EIA plant 65053
This project groups Blythe Mesa Solar II (EIA 65053). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 335.6 MWSolar 223.6 · Battery storage 112.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2022First generator online
- Operator
- Intersect USA, LLCEIA operator ID 67582
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Riverside County, CA33.6408, −114.6803
- EIA plant ID
- 65053EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Blythe Mesa Solar II produces
Free · EIA-923Net generation, 2025
585 GWh
585,497 MWh, final
Capacity factor, 2025
30.7%
2024: 29.0%
January to July 2026
345 GWh
Provisional
Range, 2023 to 2025
552.0–590.2
GWh a year. Low 2024, high 2023
| 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 | 32,798 | Not reported | 1 of 12 |
| 2023 | 590,179 | 30.8% | 12 of 12 |
| 2024 | 551,976 | 29.0% | 12 of 12 |
| 2025 | 585,497 | 30.7% | 12 of 12 |
| 2026 (provisional, partial year) | 344,967 | 31.3% | 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 |
|---|---|---|---|
| BMSES | Batteries | 112.0 | December 2022 |
| IPBMS | Solar Photovoltaic | 223.6 | December 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 Intersect USA, LLC 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 Blythe Mesa Solar II
More plants operated by Intersect USA, LLC
Questions about Blythe Mesa Solar II
How much power does Blythe Mesa Solar II produce?
Blythe Mesa Solar II reported 585,497 MWh (585 GWh) of net generation in 2025, a 30.7% capacity factor on 335.6 MW of nameplate capacity. From January to July 2026 it reported 345 GWh, which is provisional.
Where is Blythe Mesa Solar II?
Blythe Mesa Solar II is in Riverside County, California, at 33.6408, −114.6803. It is in the California Independent System Operator balancing area (CISO).
Who operates Blythe Mesa Solar II?
EIA-860M for August 2026 lists Intersect USA, LLC as the operator (EIA operator ID 67582). The operator is not always the owner.
Is Blythe Mesa Solar II a solar or a battery storage plant?
Both. Solar capacity totals 223.6 MW and battery storage capacity totals 112 MW.
When did Blythe Mesa Solar II start operating?
Its first generator began operating in December 2022, according to EIA-860M.
Does InfraMap have power prices for Blythe Mesa Solar II?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Blythe Mesa Solar 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page