Electrolyte BESS — Plant Summary
- EIA Plant ID
- 66661
- Capacity
- 99.4 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Kings, CA
- Operating Since
- 2025
- Generators
- 1
- Operator
- Henrietta BESS LLC
- Parent Company
- —
- Annual Generation
- -2,898 MWh
- Capacity Factor
- -0.5%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Electrolyte BESS
OperatingBESS
Ranked #59 of 191 BESS plants in CA#341 of 837 nationally
99.4 MW BESS operating in Kings, CA — California Independent System Operator
EIA
99.4 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Location
Coordinates
36.2402, -119.9044
County
Kings, CA
Nearby Plants
- Henrietta PeakerNatural Gas98 MW · 0.0 km
- American Kings Solar, LLCSolar128 MW · 0.7 km
- RE Mustang LLCBESS175 MW · 1.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Henrietta BESS LLC | — | — |
| Owner(s) | Henrietta BESS LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Electrolyte BESS is a 99.4 MW battery energy storage system located in Kings County, California. The plant began operating in 2025 and is owned and operated by Henrietta BESS LLC. The primary fuel type is MWH (megawatt-hours), indicating that it stores and discharges electricity rather than generating it from a fuel source. The facility consists of a single generator utilizing battery technology, with a storage duration of 1 hour.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Electrolyte BESS is ranked as the 114th largest power plant in California out of 300, and 517th nationally out of 1205. News coverage of the plant includes 6 articles, with topics including deals, regulatory matters, hazards, and industry news.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−375 MWh
Net Charging
-2.9K MWh
Annual Net Energy
-0.5%
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
MEDIUM confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_NP15_GEN-APND
Secondary Zone
TH_ZP26_GEN-APND
Node Source
Shared substation inference
GWFGT1_7_B1Nearby ISO Node
Henrietta SubstationSubstation
News & Articles (10)Beta
Deals·capacity addition
Canada’s biggest battery breaks ground, e-STORAGE to supply 1.86 GWh system
Canada's largest contracted battery project is moving ahead with a ground-breaking ceremony, and developer Potentia has chosen e-STORAGE for...
e-STORAGE (seller)Potentia (developer)
ESS News·4 months ago
Regulatory·state puc
California adopts battery storage safety legislation following Moss Landing fire
Senate Bill 283 requires battery storage developers to coordinate with local fire departments both before submitting their project...
California (regulator)
ESS News·5 months ago
Industry·technology
Flow battery companies look beyond Vanadium to compete with lithium-ion
We hear from XL Batteries and Quino Energy, 'organic' chemistry flow battery technology companies, about how they plan to scale up and reduce costs to compete...
XL Batteries (developer)Quino Energy (developer)
Energy-Storage.News·12 months ago
Deals·m and a
Prevalon bags 800 MWh project from Idaho Power, Westbridge announces five standalone projects in Alberta, Plenitude takes stake in 368 MWh of colocated storage in California
From big supply deals to new project announcements and acqusitions, grid-scale battery energy storage in North America is going from...
Prevalon (other)Idaho Power (buyer)
ESS News·1 years ago
Last updated 2026-03-14
View all 10 articles