FRONTERA ENERGY CENTER
OperatingNatural Gas power plant
- Capacity
- 529 MW
- Primary fuel
- Natural Gas
- County
- Hidalgo County
- Operator
- FRONTERA GENERATION LIMITED PARTNERSHIP
- Status
- Operating
- Commissioned
- 1999
- EIA plant ID
- 55098
- Generators
- 3
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 2,266 GWh
- Capacity factor (2024, EIA nameplate)
- 49%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 26.2080, -98.3989
FRONTERA ENERGY CENTER, a 529 MW Natural Gas power plant in Hidalgo County, Texas. Operated by FRONTERA GENERATION LIMITED PARTNERSHIP, commissioned 1999.
How FRONTERA ENERGY CENTER compares
With 529 MW of capacity, FRONTERA ENERGY CENTER ranks 73rd among the 307 operating power plants Bywatts maps in Texas and 58th of the 134 operating Natural Gas plants in the state. It accounts for about 0.8% of Texas's operating Natural Gas capacity and 0.5% of all operating capacity in the state. Nationally it is the 316th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1999, it is older than 56% of the 303 operating Texas plants with a recorded commissioning year. It shares Hidalgo County with 3 other operating plants, including MAGIC VALLEY GENERATING STATION and HIDALGO ENERGY CENTER.
EIA-860 lists 3 generators at the site with 529 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 2,266 GWh in 2024 (a 49% capacity factor). Its generators came online between 1999 and 2000.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by AEP TEXAS CENTRAL CO., about 0.1 miles away. Another 2 operating power plants totaling 1,352 MW sit within 25 miles; the largest is MAGIC VALLEY GENERATING STATION (801 MW, Natural Gas).
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
FRONTERA ENERGY CENTER is a 529 MW natural gas power plant in Hidalgo County, TX, operated by FRONTERA GENERATION LIMITED PARTNERSHIP, commissioned in 1999. Hidalgo County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.4 of 5 at the 85th national percentile. Hurricane is the leading peril, rated Very High by FEMA at the 94th 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.
Hidalgo County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Very High | 94th | 4.7 of 5 | 0.13 |
| Hail | Very High | 80th | 4.2 of 5 | 0.55 |
| Ice storm | Very High | 67th | 3.7 of 5 | 0.16 |
| Lightning | Relatively High | 53rd | 3.1 of 5 | 39.9 |
| Wildfire | Relatively Low | 46th | 2.8 of 5 | <0.01 |
| Heat wave | Relatively High | 40th | 2.6 of 5 | 9.0 |
| Winter weather | Relatively High | 30th | 2.2 of 5 | 0.74 |
| Strong wind | Relatively High | 19th | 1.8 of 5 | 0.53 |
| Tornado | Relatively High | 17th | 1.7 of 5 | 0.27 |
| Earthquake | Relatively Low | 17th | 1.7 of 5 | <0.01 |
| Riverine flooding | Relatively High | 7th | 1.3 of 5 | 2.3 |
Perils not assessed in Hidalgo 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 Hidalgo 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.