Desert Peak Energy Storage I is a 325 MW / 1,300 MWh standalone lithium-ion battery energy storage system located in Palm Springs, Riverside County, California. The facility operates in the CAISO market and is wholly owned by NextEra Energy Resources, LLC. It entered service in Q3 2023 and was the largest standalone battery storage project to come online in that quarter. The 230-kV generation tie line connects the project's collector substation to the SCE Devers substation.
Mapped infrastructure geometry associated with this asset.
EIA plant 65987 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| DP1 | Batteries | Operating | 325 | 1,300 |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| DP1 | 325 MW 325 MW summer | Batteries Electricity used for energy storage · BA | Jul 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.
Project milestones and public references behind the asset profile.
Southern California Edison announced long-term contracts for four battery storage projects totaling 590 MW, including NextEra's Desert Peak project at 325 MW with a scheduled online date of August 1, 2023.
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.
Federal Energy Regulatory Commission issued supplemental notice of Desert Peak Energy Storage I, LLC's market-based rate filing with request for blanket Section 204 authorization under docket ER23-1542-000.
EIA-860 lists generator DP1 with this operating date.
The 325 MW / 1,300 MWh first phase of the Desert Peak project was the largest standalone battery storage project phase to enter commercial operation in Q3 2023, per the American Clean Power Association market report.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Desert Peak Energy Storage I reports 325 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Desert Peak Energy Storage I is a batteries facility in Riverside County, CA, participating in the CAISO market.
Desert Peak Energy Storage I is in Riverside County, CA, inside the CAISO balancing area.
Desert Peak Energy Storage I is operated by Desert Peak Energy Storage I, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Desert Peak Energy Storage I reported 457 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.
By capacity, Desert Peak Energy Storage I ranks #14 of 1,061 operating plants of the same technology nationally. It ranks #7 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.