Cascade Energy Storage, LLC

OperatingBESS

Ranked #108 of 194 BESS plants in CA#499 of 963 nationally

25 MW BESS operating in San Joaquin, CA — California Independent System Operator

EIA

25 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2024

Operating Since

Location

Coordinates

37.9201, -121.2392

County

San Joaquin, CA

Nearby Plants

Niagara Bottling Stockton
Solar1 MW · 3.2 km
Stockton 6 - SLEBA202
Solar1.1 MW · 3.2 km
Amazon - Stockton - Roof (SCK1) - (CA)
Solar2.6 MW · 3.7 km

Status

Latest milestoneequipment order placedEnergy-Storage.News · 2021-09-22

Expected COD2022-Q3Energy-Storage.News · 2021-09-22

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Engie North America	Engie North America	—
Owner(s)	Engie North America	ENGIE	—
Status	Operating	—	—

Ownership Chain

DeveloperBroad Reach PowerEnergy-Storage.News · 2021-09-22

PartnerCalibrant EnergyPOWER Magazine · 2025-10-22

CompanyAligned Data CentersPOWER Magazine · 2025-10-22

About

Cascade Energy Storage, LLC is a 25 MW battery energy storage system located in San Joaquin County, California. The facility began operating in 2024 and utilizes lithium-ion batteries (LIB) to store electricity. The plant's storage capacity is 100 MWh, providing a duration of 4 hours at full output. The primary fuel type is listed as MWH, indicating that the plant charges from the grid.

The facility is owned by ENGIE, a French multinational utility, and operated by Engie North America. Cascade Energy Storage operates within the California Independent System Operator (CAISO) balancing authority, which is part of the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked 179th out of 300 power plants in California and 669th out of 1205 nationally. The facility has one generator.

Generated from EIA, GEM, and public data sources

EIA Plant Profile

Engineering & Generators

Grid Context

ISO/RTO

CAISO

Market

ISO/RTO Member

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Generation

−399 MWh

Net Charging

-3.9K MWh

Annual Net Energy

-1.8%

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

2023

Construction CostOperating CostPricing & Revenue

$1,361/kW

Est. Construction Cost

Total estimated cost: $34.0M

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

Pricing & Market Data

HIGH confidence

Market Position

ISO/RTO Market