Sunlight Storage — Plant Summary
- EIA Plant ID
- 65857
- Capacity
- 230 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Riverside, CA
- Operating Since
- 2022
- Generators
- 1
- Operator
- Sunlight Storage, LLC
- Parent Company
- —
- Annual Generation
- -45,230 MWh
- Capacity Factor
- -2.2%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Sunlight Storage
OperatingBESS
Ranked #21 of 191 BESS plants in CA#125 of 837 nationally
230 MW BESS operating in Riverside, CA — California Independent System Operator
EIAWD
230 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Location
Coordinates
33.8030, -115.4020
County
Riverside, CA
Nearby Plants
- Desert Sunlight 250, LLCSolar249.7 MW · 0.7 km
- Desert Harvest, LLCSolar80 MW · 2.1 km
- Desert Harvest II LLCBESS105 MW · 2.1 km
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.
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
220 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
DSRTSN_2_DS2X2-APND
Pricing Hub
TH_SP15_GEN-APND
Location Type
Aggregated Node
Node Source
Curated node match
News & Articles (10)Beta
Regulatory·state puc
California’s new bill could usher in a “safe-by-design” era for battery storage
Developers have less than two months to prepare for California's new safety standards, where smart documentation -not system redesign - will...
California (regulator)
ESS News·4 months ago
Regulatory·state puc
California PUC approves battery storage safety rules
The rules require battery storage facility owners to develop emergency response and emergency action plans.
California PUC (regulator)
Utility Dive·1 years ago
Regulatory·state puc
California PUC proposes energy storage safety, emergency response requirements
Published 10 days after a fire at Vistra's 300-MW battery installation near Santa Cruz, the California Public Utilities Commission's...
California Public Utilities Commission (regulator)Vistra (operator)
Utility Dive·1 years ago
Regulatory·ferc order
FERC Approves Two Enforcement Orders Related to Battery Storage
FERC approved two enforcement orders requiring several battery storage operators to pay fines and remit nearly $1.9 million back to CAISO.
FERC (regulator)CAISO (other)
RTO Insider·1 years ago
Last updated 2026-03-14
View all 10 articles