How big is Desert Peak Energy Storage I?

Desert Peak Energy Storage I has a reported capacity of 325 MW. Source: EIA Form 860M.

What kind of plant is Desert Peak Energy Storage I?

Desert Peak Energy Storage I is a batteries facility in Riverside County, CA, participating in the CAISO market.

Where is Desert Peak Energy Storage I located?

Desert Peak Energy Storage I is in Riverside County, CA, inside the CAISO balancing area.

Who operates Desert Peak Energy Storage I?

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.

How much electricity does Desert Peak Energy Storage I generate?

Desert Peak Energy Storage I reported 441.4 GWh over the twelve months to 2026-04. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.

How does Desert Peak Energy Storage I compare to other plants?

By capacity, Desert Peak Energy Storage I ranks #9 of 962 operating plants of the same technology nationally. It ranks #6 of 248 in CA.

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Desert Peak Energy Storage I

Desert Peak Energy Storage I, LLC - Riverside County - CAISO

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.

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CAISO · Asset profile

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Answers use this researched asset profile with live CAISO data. Ask about ownership, equipment, project history, or current grid context.

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Desert Peak Energy Storage I — 325 MW battery storage, CA · Ask the Grid

Overview

Nameplate capacity: 325 MW
Canonical EIA plant baseline.
Registry anchor: Plant 65987
plant-65987

Structured profile

Technology: Batteries
Operator: Desert Peak Energy Storage I, LLC

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Units and generators

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

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 325 MW
National rank: #9
CA rank: #6

Monthly generation

Download CSV

Latest 12 months

441.4 GWh

Reported gross generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 net exchange

-59.6 GWh

Generation less station charging

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN304580

NOT AVAILABLE · 115 kV

0.3 km

UNKNOWN301301

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Contract Announcement

Dec 7, 2020

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.

Southern California Edison Company · NextEra Energy Resources, LLC

newsroom.edison.com

Regulatory Filing

Apr 14, 2023

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.

Desert Peak Energy Storage I, LLC · Federal Energy Regulatory Commission

federalregister.gov

Commercial Operation Milestone

Jul 1, 2023

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.

NextEra Energy Resources, LLC

cleanpower.org

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOrganizationMarket / regulator

Parties and identifiers

OrganizationRoleBasis

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Dec 7, 2020
Dec 7, 2020
SCE Long-Term Contract Announcement for Desert Peaknewsroom.ed...
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.
Apr 14, 2023

Desert Peak Energy Storage I

Ask about Desert Peak Energy Storage I

Desert Peak Energy Storage I

Ask about Desert Peak Energy Storage I

Overview

Structured profile

Related assets

Crimson

Sunlight Storage II

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Sunlight Storage

Condor Energy Storage LLC

Gateway Energy Storage System

Atlas VII

Reporting portfolio

Sources

Common questions about Desert Peak Energy Storage I

How big is Desert Peak Energy Storage I?

What kind of plant is Desert Peak Energy Storage I?

Where is Desert Peak Energy Storage I located?

Who operates Desert Peak Energy Storage I?

How much electricity does Desert Peak Energy Storage I generate?

How does Desert Peak Energy Storage I compare to other plants?

Co-located assets