Tenaska Frontier Generation Station — Plant Summary
- EIA Plant ID
- 55062
- Capacity
- 939.7 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Grimes, TX
- Operating Since
- 2000
- Generators
- 4
- Operator
- Tenaska Frontier Partners Ltd
- Parent Company
- —
- Annual Generation
- 3,503,759 MWh
- Capacity Factor
- 42.5%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- SERC
Tenaska Frontier Generation Station
OperatingNatural Gas
Ranked #26 of 313 Natural Gas plants in TX#182 of 2009 nationally
939.7 MW Natural Gas operating in Grimes, TX — Electric Reliability Council of Texas, Inc.
EIAWD
939.7 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Location
Coordinates
30.5924, -95.9178
County
Grimes, TX
Nearby Plants
- TX15 Limousin Oak StorageBESS100 MW · 9.2 km
- Grimes County SolarSolar210 MW · 17.8 km
- Blue Jay Solar I, LLCBESS261.6 MW · 19.2 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 | Tenaska Frontier Partners Ltd | — | Tenaska Energy |
| Owner(s) | Diamond Frontier LLC, Montana Grimes County LLC, Montana Grimes Frontier LP, Tanaska Grimes Partners LP, Tenaska VI Partners LP | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Tenaska Frontier Generation Station is a 939.7 MW natural gas-fired combined cycle power plant located in Grimes County, Texas. The plant began operating in 2000 and is owned and operated by Tenaska Frontier Partners Ltd. It consists of four generators. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the SERC NERC region.
In the most recent year of data, Tenaska Frontier Generation Station produced 3,503,759 MWh of electricity, achieving a capacity factor of 42.5%. The plant is ranked as the 27th largest in Texas out of 144 plants, and 187th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
356 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
380.0K MWh
Latest Month
3.5M MWh
Annual Generation
42.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Tenaska Frontier Station · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
FTR_CC1 (ERCOT)
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
News & Articles (5)Beta
General
NORTH AMERICAN POWER PLANT - AIR EMISSIONS
No, Plant Name, Country, State /Province, Primary Fuel, Electricity Generation (MWh), Emission Rate (kg/MW-h), Total Emissions
Commission for Environmental Cooperation·1 years ago
Industry·other
Projects of the Year 2001 Winners Honored
A gas-fired combined-cycle power plant in Texas and an advanced, high efficiency pulverized coal-fired power plant in the Republic of Korea...
Power Engineering·24 years ago
General
Tenaska’s Dynamic Duo Scores in Two NERC Grids At Once
Both Tenaska plants can send power into two grids at the same time – into the Electric Reliability Council of Texas (ERCOT) and into the eastern grid.
Power Engineering·24 years ago
General
Tenaska’s Dynamic Duo Scores in Two NERC Grids At Once
Both Tenaska plants can send power into two grids at the same time – into the Electric Reliability Council of Texas (ERCOT) and into the eastern grid.
Power Engineering·24 years ago
Last updated 2026-03-26
View all 5 articles