TENASKA FRONTIER GENERATION STATION
OperatingNatural Gas power plant
- Capacity
- 940 MW
- Primary fuel
- Natural Gas
- County
- Grimes County
- Operator
- TENASKA FRONTIER PARTNERS LTD
- Status
- Operating
- Commissioned
- 2000
- EIA plant ID
- 55062
- Generators
- 4
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 4,297 GWh
- Capacity factor (2024, EIA nameplate)
- 52%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 30.5924, -95.9178
TENASKA FRONTIER GENERATION STATION, a 940 MW Natural Gas power plant in Grimes County, Texas. Operated by TENASKA FRONTIER PARTNERS LTD, commissioned 2000.
How TENASKA FRONTIER GENERATION STATION compares
With 940 MW of capacity, TENASKA FRONTIER GENERATION STATION ranks 29th among the 307 operating power plants Bywatts maps in Texas and 18th of the 134 operating Natural Gas plants in the state. It accounts for about 1.4% of Texas's operating Natural Gas capacity and 0.9% of all operating capacity in the state. Nationally it is the 105th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2000, it is older than 52% of the 303 operating Texas plants with a recorded commissioning year.
EIA-860 lists 4 generators at the site with 940 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 4,297 GWh in 2024 (a 52% capacity factor), about the same as in 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by ENTERGY TEXAS, INC., under 0.1 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
TENASKA FRONTIER GENERATION STATION is a 940 MW natural gas power plant in Grimes County, TX, operated by TENASKA FRONTIER PARTNERS LTD, commissioned in 2000. Grimes County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.0 of 5 at the 51st national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 90th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Grimes County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 90th | 4.6 of 5 | 0.10 |
| Heat wave | Relatively Low | 61st | 3.4 of 5 | 11.8 |
| Tornado | Relatively Moderate | 58th | 3.3 of 5 | 0.53 |
| Wildfire | Very Low | 57th | 3.3 of 5 | <0.01 |
| Strong wind | Relatively Low | 40th | 2.6 of 5 | 1.6 |
| Hail | Very Low | 36th | 2.4 of 5 | 2.4 |
| Ice storm | Relatively Low | 31st | 2.2 of 5 | 0.96 |
| Riverine flooding | Relatively Low | 18th | 1.7 of 5 | 1.3 |
| Winter weather | Very Low | 15th | 1.6 of 5 | 2.3 |
| Earthquake | Very Low | 13th | 1.5 of 5 | <0.01 |
| Lightning | Relatively Moderate | 11th | 1.4 of 5 | 65.3 |
Perils not assessed in Grimes County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Grimes County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.