Battery storageOperatingCAISO

Sunlight Storage

Battery storage project in Riverside County, California. 230 MW of nameplate capacity across 1 generator, operated by Sunlight Storage, LLC.

Also known as EIA plant 65857

Analyst: free account, 1 question a day.

Desert Sunlight 250, LLCDesert Harvest II LLCDesert Sunlight 300, LLCAthos Solar ProjectSE Athos II, LLCSunlight Storage2 km
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6 plants within 7.2 km, from EIA coordinates.

Key facts

Capacity
230 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
September 2022First generator online
Operator
Sunlight Storage, LLCEIA operator ID 65059
Grid
CAISOBalancing authority CISO
Price nodes
1 CAISO nodeResource nodes with prices
Location
Riverside County, CA33.8030, −115.4020
EIA plant ID
65857EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Sunlight Storage produces

Free · EIA-923

Net generation, 2025

−45.2 GWh

−45,230 MWh, final

Battery discharge, 2025

248 GWh

Charge 293 GWh

January to July 2026

−30.3 GWh

Provisional

Range, 2024 to 2025

−45.2–−40.5

GWh a year. Low 2025, high 2024

Annual net generation, GWh
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
2019Not reportedNot reported0 of 12
2020Not reportedNot reported0 of 12
2021Not reportedNot reported0 of 12
2022Not reportedNot reported0 of 12
2023−24,360Not reported6 of 12
2024−40,548Not reported12 of 12
2025−45,230Not reported12 of 12
2026 (provisional, partial year)−30,262Not reported7 of 7

* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.

Power prices and basis

Free account · CAISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
SUNS1Batteries230.0September 2022

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Sunlight Storage, LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Analyst and MCP

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Power plants near Sunlight Storage

Questions about Sunlight Storage

How much power does Sunlight Storage produce?

Sunlight Storage reported −45,230 MWh (−45.2 GWh) of net generation in 2025. From January to July 2026 it reported −30.3 GWh, which is provisional.

Where is Sunlight Storage?

Sunlight Storage is in Riverside County, California, at 33.8030, −115.4020. It is in the California Independent System Operator balancing area (CISO).

Who operates Sunlight Storage?

EIA-860M for August 2026 lists Sunlight Storage, LLC as the operator (EIA operator ID 65059). The operator is not always the owner.

When did Sunlight Storage start operating?

Its first generator began operating in September 2022, according to EIA-860M.

Does InfraMap have power prices for Sunlight Storage?

Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Sunlight Storage, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page