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PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/55144
EIA plant 55144

San Marcos · Hays · TX

Hays Energy Project

Operated by Hays Energy, LLC

Annual generation5,417,165 MWhSum of represented EIA-923 rows
Fuel codesNGCodes retained from EIA records
Grid contextElectric Reliability Council of Texas, Inc.Balancing authority or NERC region

Published location

Where is Hays Energy Project?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

29.780600, -97.989400

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
1423,424 MWh
2153,635 MWh
3452,650 MWh
4365,113 MWh
5441,148 MWh
6555,244 MWh
7591,515 MWh
8640,423 MWh
9560,675 MWh
10512,831 MWh
11430,507 MWh
12290,000 MWh

Operating generators

IDTechnologyFuelMWStatus
U3Natural Gas Fired Combined CycleNG252.8OP
U4Natural Gas Fired Combined CycleNG252.8OP
U1Natural Gas Fired Combined CycleNG241.7OP
U2Natural Gas Fired Combined CycleNG241.7OP

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Identity, technology and limitations
EIA plant ID
55144
Sector
IPP Non-CHP
Water source
GBRA/City of San Marcos
Data edition
2024-final