Oberon II Solar Project
IPX PowerRiverside County
Oberon II Solar Project is a hybrid solar and battery storage facility with 375 MW of EIA-reported total operating capacity and 500 MWh of reported storage energy capacity in Riverside County, California, registered as EIA Plant ID 65735. The broader Oberon Solar + Storage site was the first project to achieve operation through the streamlined Bureau of Land Management Desert Renewable Energy Conservation Plan. Its grid role is hybrid solar generation with co-located battery storage.
Mapped infrastructure geometry associated with this asset.
Solar Photovoltaic, Batteries
4-hour storage duration
Oberon II Solar Project is operating.
500 kV · Southern California Edison (SCE)
EIA plant 65735 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| OBIIB | Batteries | Operating | 125 | 500 |
| OBIIP | Solar Photovoltaic | Operating | 250 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| OBIIB | 125 MW 125 MW summer | Batteries BA | Sep 2023 | Operating |
| OBIIP | 250 MW 250 MW summer | Solar Photovoltaic PV | Oct 2023 | 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.
EIA-860 lists generator OBIIB with this operating date.
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 | |
| IP Radian, LLC | 480 MW | TX | |
| Oberon Solar Project | 375 MW | CA | |
| Oberon II Solar ProjectCurrent | 375 MW | CA | |
| Blythe Mesa Solar II | 335.6 MW | CA |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioEIA-860 lists generator OBIIP with this operating date.
Intersect announced commercial operation of the broader Oberon Solar + Storage project in Riverside County. The combined site announcement described 679 MWp/500 MWac of solar and 250 MW/1 GWh of co-located storage.
Alphabet announced an agreement to acquire Intersect for $4.75 billion in cash plus assumed debt. Intersect stated that its operating and in-development California assets would not be part of the acquisition.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Oberon II Solar Project reports 125 MW battery storage + 250 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Oberon II Solar Project is a Solar Photovoltaic, Batteries facility in Riverside County, CA, participating in the CAISO market.
Oberon II Solar Project is in Riverside County, CA, inside the CAISO balancing area.
Oberon II Solar Project is operated by IPX Power USA, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Oberon II Solar Project reported 562.9 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
Oberon II Solar Project interconnects at SCE Red Bluff Substation, on the Southern California Edison (SCE) system.
By capacity, Oberon II Solar Project ranks #86 of 7,597 operating plants of the same technology nationally. It ranks #17 of 972 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.
