Condor Energy Storage
Arevon Energy, Inc.San Bernardino County
Condor Energy Storage LLC is a battery energy storage facility with 200 MW of EIA-reported operating capacity and 800 MWh of reported energy capacity in San Bernardino County, California, registered as EIA Plant ID 66285. Arevon Energy, Inc. is the public owner or developer; Condor Energy Storage LLC is the registered plant entity or operator. Rosendin Electric, Inc. built the facility using Tesla Megapack 2 XL equipment; public project records list 220 battery units. Commercial operation began in May 2024. Its grid role is four-hour battery storage that charges during periods of abundant renewable generation and discharges during peak demand to provide local grid reliability and additional capacity.
Mapped infrastructure geometry associated with this asset.
Batteries
4-hour storage duration
Condor Energy Storage LLC is operating.
EIA plant 66285 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| COND1 | Batteries | Operating | 200 | 800 |
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Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| COND1 | 200 MW 200 MW summer | Batteries BA | May 2024 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
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Project milestones and public references behind the asset profile.
The project team submitted an application to Southern California Edison to begin interconnection studies at the adjacent Highgrove Substation.
115 kV · Southern California Edison (SCE)
CAISO
CAISO · San Bernardino County
EIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
The City of Grand Terrace approved the 200 MW battery-energy-storage facility and adopted a mitigated negative declaration; the project included interconnection equipment for the adjacent SCE Highgrove Substation.
Arevon broke ground on the Condor Energy Storage Project. Construction was expected to span approximately one year.
The project received its City of Grand Terrace grading permit and site grading commenced.
Arevon and Blackstone Credit & Insurance announced the $350 million preferred-equity, debt, and ITC-transfer financing package, including the $164 million debt facility and named arranging banks.
EIA-860 lists generator COND1 with this operating date.
Arevon hosted a ribbon-cutting ceremony marking completion and the start of operations of the 200 MW/800 MWh project.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Condor Energy Storage reports 200 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Condor Energy Storage is a batteries facility in San Bernardino County, CA, participating in the CAISO market.
Condor Energy Storage is in San Bernardino County, CA, inside the CAISO balancing area.
Condor Energy Storage is operated by Condor Energy Storage LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Condor Energy Storage reported 236.2 GWh over the twelve months to 2026-07. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.
Condor Energy Storage interconnects at SCE Highgrove Substation, on the Southern California Edison (SCE) system.
By capacity, Condor Energy Storage ranks #58 of 1,061 operating plants of the same technology nationally. It ranks #15 of 272 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.