Sunlight Storage — 230 MW battery storage, CA

Sunlight Storage — 230 MW battery storage, CA · Ask the Grid

Generation and physical site

EIA plant 65857 · Inventory for Sep 2026.

Reported operating nameplate by technology

Battery storage: 230 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Sunlight Storage
Generator	Technology	Status	Power (MW)	Energy (MWh)
SUNS1	Batteries	Operating	230	920

Physical map location · OpenStreetMap: 33.80341, -115.40139
Filed location · EIA: 33.80300, -115.40200

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Aug 21, 2024
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Generator	Capacity	Technology	Operation	Status
SUNS1	230 MW 230 MW summer	Batteries BA	Sep 2022	Operating

Commercial, land, and environmental record

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

Financing

Tax Equity Financing Arrangement Contemplated

Date not disclosed

Acquisition documents expressly contemplated Sunlight Renewables Tax Equity Financing for Sunlight Storage Project Company through Equity Capital Contribution Agreement and related project-financing documents. Tax-equity investor, amount, and financing-close date not disclosed.

Sunlight Storage, LLC

Source

Transactions and agreements

Acquisition Agreement

Apr 2022

NextEra Energy Partners Acquisitions, LLC agreed to acquire approximately 67% Class A membership interests in Sunlight Renewables Holdings, which included Sunlight Storage Project Company (230 MW/920 MWh facility). Base purchase price $190.95 million subject to closing adjustments; not allocated solely to Sunlight Storage.

$191.0M230 MW contractedNextEra Energy Partners Acquisitions, LLC · NEP US SellCo, LLC · ESI Energy, LLC · Sunlight Storage, LLC

Source

Acquisition Closing

Sep 2022

Indirect subsidiary of NEP completed acquisition from NEER of interests representing 67% controlling ownership in 230 MW battery storage facility. No separate closing consideration allocated solely to Sunlight Storage disclosed.

230 MW contractedNEXTERA ENERGY PARTNERS ACQUISITIONS, LLC · NextEra Energy Resources, LLC · Sunlight Storage, LLC

nep-20230630

Land and environmental record

Environmental Authorization

2021

BLM construction authorization

In 2021, Sunlight Solar LLC received authorization from BLM to construct the Desert Sunlight Battery Energy Storage System within Desert Sunlight Solar facilities.

BLM announces Desert Sunlight battery storage facility is fully operational | Bureau of Land Management

Land Ownership

2022

94 acres of BLM-managed public land near Desert Center

230 MW Desert Sunlight Battery Energy Storage System located on 94 acres of Bureau of Land Management (BLM)-managed public lands near Desert Center in Riverside County, California.

BLM announces Desert Sunlight battery storage facility is fully operational | Bureau of Land Management

Land Use Plan Suitability

DRECP-suitable renewable-energy area

Battery system located in area analyzed and identified as suitable for renewable-energy development under Desert Renewable Energy Conservation Plan (DRECP) Land Use Plan Amendment, covering 10.8 million acres of public desert lands.

BLM announces Desert Sunlight battery storage facility is fully operational | Bureau of Land Management

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Apr 20, 2022
Apr 20, 2022
Acquisition Agreementnep-20220331
NextEra Energy Partners Acquisitions, LLC entered into a purchase and sale agreement with NEP US SellCo, LLC and ESI Energy, LLC for approximately 67% of the Class A membership interests in Sunlight Renewables Holdings, which held the storage project company. The stated purchase price was approximately $191 million, subject to closing adjustments.
Aug 16, 2022
Aug 16, 2022
Commercial Operation AnnouncementBLM announc...
BLM announced that the 230 MW Desert Sunlight Battery Energy Storage System was fully operational and supporting integration of renewable generation from the Desert Sunlight Solar Farm.
Sep 2022
Sep 2022
Acquisition Closednep-20230630
Indirect subsidiary of NEP completed acquisition from NEER of interests representing 67% controlling ownership in 230 MW battery storage facility. No separate closing consideration allocated solely to Sunlight Storage disclosed.
Sep 2022
Sep 2022
Ownership Transactionnep-20221231
In September 2022, an indirect subsidiary of NextEra Energy Partners acquired interests from NextEra Energy Resources in Sunlight Renewables Holdings representing an indirect 67% controlling ownership interest in the approximately 230 MW Sunlight Storage battery facility in Riverside County.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

sce.comWelcome to SCEother

Common questions about Sunlight Storage

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Sunlight Storage?

Sunlight Storage reports 230 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Sunlight Storage?

Sunlight Storage is a batteries facility in Riverside County, CA, participating in the CAISO market.

Where is Sunlight Storage located?

Sunlight Storage is in Riverside County, CA, inside the CAISO balancing area.

Who operates Sunlight Storage?

Sunlight Storage is operated by Sunlight Storage, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Sunlight Storage generate?

Sunlight Storage reported 261.2 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.

How does Sunlight Storage compare to other plants?

By capacity, Sunlight Storage ranks #45 of 1,061 operating plants of the same technology nationally. It ranks #11 of 272 in CA.

Co-located assets

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.

Desert Sunlight 250, LLCSolar PhotovoltaicSolar Photovoltaic250 MW660 m Desert Harvest II LLCSolar Photovoltaic, BatteriesSolar Photovoltaic, Batteries105 MW2 km Desert Harvest, LLCSolar PhotovoltaicSolar Photovoltaic80 MW2 km Desert Sunlight 300, LLCSolar PhotovoltaicSolar Photovoltaic

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Financing

Transactions and agreements

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Sunlight Storage

How big is Sunlight Storage?

What kind of plant is Sunlight Storage?

Where is Sunlight Storage located?

Who operates Sunlight Storage?

How much electricity does Sunlight Storage generate?

How does Sunlight Storage compare to other plants?

Co-located assets

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