150 MW BESS operating in Bell, TX — Electric Reliability Council of Texas, Inc.
150 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
31.0059, -97.2650
County
Bell, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Chillingham Storage LLC | — | — |
| Owner(s) | Chillingham Storage LLC | — | — |
| Status | Operating | — | — |
Chillingham Storage is a 150 MW battery energy storage system (BESS) located in Bell County, Texas. The plant, which began operating in 2025, has a single generator and is owned and operated by Chillingham Storage LLC. The primary fuel source is electricity (MWH), indicating that the facility charges its batteries from the grid. The BESS has a duration of 1 hour.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. Chillingham Storage is ranked as the 160th largest power plant in Texas out of 224, and nationally it is ranked 394th out of 514. News coverage of the plant includes 4 articles about deals and 2 articles about the industry.
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Hermes Storage
−1.6K MWh
Net Charging
-7.9K MWh
Annual Net Energy
-1.2%
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.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
East Bell County Substation · 345 kV
Substation Distance
0.827 km
Operator
Oncor
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
CHIL_SLR
Pricing Hub
HB_NORTH
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
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Last updated 2026-03-26
View all 10 articlesChillingham Storage