House Mountain — Plant Summary
- EIA Plant ID
- 66006
- Capacity
- 73.2 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Brewster, TX
- Operating Since
- 2024
- Generators
- 1
- Operator
- House Mountain
- Parent Company
- —
- Annual Generation
- -5,711 MWh
- Capacity Factor
- -0.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
House Mountain
OperatingBESS
Ranked #168 of 256 BESS plants in TX#366 of 837 nationally
73.2 MW BESS operating in Brewster, TX — Electric Reliability Council of Texas, Inc.
EIA
73.2 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
30.4957, -103.4510
County
Brewster, TX
Nearby Plants
- NGP Blue Mountain I LLCGeothermal63.9 MW · 0.1 km
- SolaireHolman Solar ProjectSolar50 MW · 5.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | House Mountain | — | — |
| Owner(s) | House Mountain | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
House Mountain is a 73.2 MW battery energy storage system (BESS) located in Brewster County, Texas. The plant, which began operating in 2024, is owned and operated by House Mountain. It consists of a single generator utilizing batteries as its primary fuel source (MWH). The BESS has a total storage capacity of 120 MWh, providing a duration of approximately 1.64 hours. The battery chemistry is lithium-ion (LIB).
House Mountain operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region is TRE. The plant is ranked 225th out of 313 power plants in Texas, and 557th nationally out of 1205 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−443 MWh
Net Charging
-5.7K MWh
Annual Net Energy
-0.9%
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
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
HOUSEMTN_RN
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
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