Guadalupe Generating Station — Plant Summary
- EIA Plant ID
- 55153
- Capacity
- 1088.2 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Guadalupe, TX
- Operating Since
- 2000
- Generators
- 6
- Operator
- Guadalupe Power Partners LP
- Parent Company
- —
- Annual Generation
- 5,712,188 MWh
- Capacity Factor
- 59.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Guadalupe Generating Station
OperatingNatural Gas
Ranked #19 of 313 Natural Gas plants in TX#141 of 2009 nationally
1088.2 MW Natural Gas operating in Guadalupe, TX — Electric Reliability Council of Texas, Inc.
EIAWD
1,088.2 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Location
Coordinates
29.6244, -98.1419
County
Guadalupe, TX
Nearby Plants
- Dunlap TP 1Hydro3.6 MW · 9.4 km
- Abbott TP 3Hydro2.8 MW · 10.3 km
- CachiBESS200 MW · 12.7 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Guadalupe Power Partners LP | — | Calpine |
| Owner(s) | Guadalupe Power Partners LP | — | Calpine |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Guadalupe Generating Station is a natural gas-fired combined cycle power plant located in Guadalupe County, Texas. The plant has a total capacity of 1088.2 MW distributed across 6 generators. It began operating in 2000 and is owned and operated by Guadalupe Power Partners LP. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority.
In the most recent year of data, the Guadalupe Generating Station produced 5,712,188 MWh of electricity, achieving a capacity factor of 59.9%. The plant is ranked as the 20th largest in Texas out of 144 plants, and nationally it is ranked 145th out of 945 plants. The plant falls within the Texas Reliability Entity (TRE) NERC region.
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
308.1K MWh
Latest Month
5.7M MWh
Annual Generation
59.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Guadalupe Generating Station · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
GUADGCC1
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
News & Articles (1)Beta
Industry·corporate
Study: Texas' coming wave of power plants to fuel data centers will surge greenhouse gas pollution
Companies plan to build more than 100 new gas-fired power plants to meet demand from data centers, AI and other energy-hungry industries.
San Antonio Current·9 months ago
Last updated 2026-03-14
View all articles