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50 MW BESS operating in Brazoria, TX
50 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
29.1592, -95.6617
County
Brazoria, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Key Capture Energy | — | — |
| Owner(s) | Key Capture Energy | — | — |
| Status | Operating | — | — |
TX23 Roughneck Storage is a 50 MW battery energy storage system located in Brazoria County, Texas. The plant began operating in 2022 and has a single generator utilizing lithium-ion battery (LIB) chemistry. The facility is owned and operated by Key Capture Energy. As a storage facility, its primary fuel is listed as "MWH" (megawatt-hours).
The plant has 50 MWh of total energy storage capacity, providing a duration of 1 hour at its full 50 MW output. TX23 Roughneck Storage operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is within the TRE NERC region. In terms of capacity, the plant is ranked 231st out of 313 power plants in Texas, and 618th out of 1205 plants nationally.
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
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−373 MWh
Net Charging
-4.3K MWh
Annual Net Energy
-1.0%
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.
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2022
$1,205/kW
Est. Construction Cost
Total estimated cost: $60.3M
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Point of Interconnection
Nearest Substation
West Columbia Substation · 138 kV
Substation Distance
0 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
NCO_RN
Pricing Hub
HB_HOUSTON
Alt. Hub / Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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