Hays Energy Project — Plant Summary
- EIA Plant ID
- 55144
- Capacity
- 989 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Hays, TX
- Operating Since
- 2002
- Generators
- 4
- Operator
- Hays Energy, LLC
- Parent Company
- Vistra
- Annual Generation
- 5,338,430 MWh
- Capacity Factor
- 61.5%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Hays Energy Project
OperatingNatural Gas
Ranked #24 of 313 Natural Gas plants in TX#169 of 2009 nationally
989 MW Natural Gas operating in Hays, TX — Electric Reliability Council of Texas, Inc.
EIAWD
989 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Location
Coordinates
29.7806, -97.9894
County
Hays, TX
Nearby Plants
- Mesquite Creek LFGTE ProjectLandfill Gas3.2 MW · 5.8 km
- CachiBESS200 MW · 14.4 km
- Dunlap TP 1Hydro3.6 MW · 16.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hays Energy, LLC | Hays Energy | — |
| Owner(s) | Hays Energy, LLC | Vistra | — |
| Status | Operating | — | — |
Ownership Chain
About
The Hays Energy Project is a 989 MW natural gas-fired combined cycle power plant located in Hays County, Texas. The plant began operating in 2002 and consists of 4 generators. It is owned by Vistra and operated by Hays Energy, LLC. The plant is interconnected to the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority.
In the most recent year of reported data, the Hays Energy Project generated 5,338,430 MWh of electricity, achieving a capacity factor of 61.5%. The plant ranks as the 25th largest in Texas out of 144 plants, and 174th nationally out of 945 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
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
374.9K MWh
Latest Month
5.3M MWh
Annual Generation
61.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Hays Energy Station · 345 kV
Substation Distance
< 10 km
Operator
Lower Colorado River Authority
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
HAYSEN_HAYSENG3
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
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