Sunlight Storage

OperatingBESS

Ranked #22 of 194 BESS plants in CA#131 of 963 nationally

230 MW BESS operating in Riverside, CA — California Independent System Operator

EIAWD

230 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2022

Operating Since

Location

Coordinates

33.8030, -115.4020

County

Riverside, CA

Nearby Plants

Desert Sunlight 250, LLC
Solar249.7 MW · 0.7 km
Desert Harvest, LLC
Solar80 MW · 2.1 km
Desert Harvest II LLC
BESS105 MW · 2.1 km

Status

as of 3y 9m ago

Project statusOperationalEnergy-Storage.News · 2022-08-17

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Sunlight Storage, LLC	—	—
Owner(s)	Sunlight Storage, LLC	—	—
Status	Operating	—	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

ApplicantNextEra Energy ResourcesEnergy-Storage.News · 2023-06-05

About

Sunlight Storage is a 230 MW battery energy storage system located in Riverside County, California. The facility, which began operating in 2022, is owned and operated by Sunlight Storage, LLC. It is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) region. The plant utilizes lithium-ion batteries (LIB) to provide 920 MWh of energy storage, equating to a duration of 4 hours at full capacity.

Sunlight Storage is ranked as the 58th largest power plant in California out of 112, and the 230th largest in the United States out of 514. The plant's primary fuel source is electricity (MWH), indicating that it charges from the grid and discharges during periods of high demand or grid instability. The facility consists of a single generator utilizing battery storage technology.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators

Grid Context

ISO/RTO

CAISO

Market

ISO/RTO Member

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Regulatory

AgencyBureau of Land ManagementEnergy-Storage.News · 2023-06-05

Latest rulingApprovalEnergy-Storage.News · 2023-06-05

ApplicantNextEra Energy ResourcesEnergy-Storage.News · 2023-06-05

Generation

−3.0K MWh

Net Charging

-45.2K MWh

Annual Net Energy

-2.2%

Capacity Factor

Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.

Financial Data

EIA Avg CostEIA Construction Cost AveragesMEDIUM

2022

Construction CostOperating CostPricing & Revenue

$1,205/kW

Est. Construction Cost

Total estimated cost: $277.1M

Technology Average·Based on EIA averages — not plant-specific financial reports

Pricing & Market Data

HIGH confidence

Market Position

ISO/RTO Market