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100 MW BESS operating in Brazoria, TX — Electric Reliability Council of Texas, Inc.
100 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
29.1682, -95.4458
County
Brazoria, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Gambit Energy Storage LLC | — | — |
| Owner(s) | Gambit Energy Storage LLC | — | — |
| Status | Operating | — | — |
Gambit Energy Storage - Angleton Storage is a 100 MW battery energy storage system (BESS) located in Brazoria County, Texas. The plant began operating in 2021 and is owned and operated by Gambit Energy Storage LLC. It is interconnected to the Electric Reliability Council of Texas (ERCOT) grid, within the Texas Reliability Entity (TRE) NERC region. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 200 MWh, providing a duration of 2 hours at full output.
The Angleton Storage facility is ranked as the 211th largest power plant in Texas out of 224, and 494th nationally out of 514. The plant consists of a single generator and uses "MWH" as its primary fuel, indicating that it draws power from the grid to charge its batteries.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−719 MWh
Net Charging
-14.5K MWh
Annual Net Energy
-1.7%
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.
2021
$1,796/kW
Est. Construction Cost
Total estimated cost: $179.6M
Market Position
ISO/RTO Market
ERCOT
LMP Node
GAMBIT_RN
Pricing Hub
HB_HOUSTON
Alt. Hub / Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-14
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