Blythe Mesa Solar II is a hybrid solar and battery storage facility with 335.6 MW of EIA-reported total operating capacity and 448 MWh of reported storage energy capacity in Riverside County, California, registered as EIA Plant ID 65053. Intersect Power, LLC is the current owner. The EIA-based plant record ranks Blythe Mesa Solar II #101 in the United States and #20 in California by capacity.
Reported plant capacity and configuration.
Primary generation technology.
Riverside County · CAISO
Battery subsystem rating.
Blythe Mesa Solar II is operating.
230 kV · Southern California Edison
Batteries, Solar Photovoltaic
4-hour storage duration
Blythe Mesa Solar II is operating.
230 kV · Southern California Edison
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| BMSES | 112 MW 112 MW summer | Batteries Electricity used for energy storage · BA | Dec 2022 | Operating |
| IPBMS | 223.6 MW 223.6 MW summer | Solar Photovoltaic Solar · PV | Dec 2022 | 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.
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Project milestones and public references behind the asset profile.
The Bureau of Land Management approved the project’s 5.2-mile gen-tie transmission line and access road crossing BLM-managed public lands.
CAISO
CAISO · Riverside County
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Lumina Solar Project | 486.6 MW | TX | |
| Lumina II Solar Project | 486.6 MW | TX | |
| Oberon Solar Project | 375 MW | CA | |
| Oberon II Solar Project | 375 MW | CA | |
| Blythe Mesa Solar IICurrent | 335.6 MW | CA | |
| IP Radian, LLC | 320 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioEIA-860 lists generator BMSES, generator IPBMS with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Blythe Mesa Solar II has a reported capacity of 335.6 MW and an energy capacity of 448 MWh. Source: EIA Form 860.
Blythe Mesa Solar II is a Batteries, Solar Photovoltaic facility in Riverside County, CA, participating in the CAISO market.
Blythe Mesa Solar II is in Riverside County, CA, inside the CAISO balancing area.
Blythe Mesa Solar II reported 574.9 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
Blythe Mesa Solar II interconnects at Southern California Edison Colorado River Substation, on the Southern California Edison system.
By capacity, Blythe Mesa Solar II ranks #127 of 7,234 operating plants of the same technology nationally. It ranks #24 of 939 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.
