ENNIS POWER COMPANY LLC
OperatingNatural Gas power plant
- Capacity
- 418 MW
- Primary fuel
- Natural Gas
- County
- Ellis County
- Operator
- ENNIS POWER COMPANY LLC
- Status
- Operating
- Commissioned
- 2002
- EIA plant ID
- 55223
- Generators
- 2
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 1,656 GWh
- Capacity factor (2024, EIA nameplate)
- 45%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 32.3198, -96.6753
ENNIS POWER COMPANY LLC, a 418 MW Natural Gas power plant in Ellis County, Texas. Operated by ENNIS POWER COMPANY LLC, commissioned 2002.
How ENNIS POWER COMPANY LLC compares
With 418 MW of capacity, ENNIS POWER COMPANY LLC ranks 88th among the 307 operating power plants Bywatts maps in Texas and 73rd of the 134 operating Natural Gas plants in the state. It accounts for about 0.6% of Texas's operating Natural Gas capacity and 0.4% of all operating capacity in the state. Nationally it is the 366th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2002, it is newer than 52% of the 303 operating Texas plants with a recorded commissioning year. It shares Ellis County with one other operating plant, MIDLOTHIAN ENERGY FACILITY.
EIA-860 lists 2 generators at the site with 418 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 1,656 GWh in 2024 (a 45% capacity factor), up 17% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by ONCOR ELECTRIC DELIVERY CO., about 0.1 miles away. One other operating power plant sits within 25 miles: MIDLOTHIAN ENERGY FACILITY (1,734 MW, Natural Gas). Within 50 miles are 10 mapped data centers; the nearest is Digital Realty DFW (2323 Bryan St) in Dallas, about 33.0 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
ENNIS POWER COMPANY LLC is a 418 MW natural gas power plant in Ellis County, TX, operated by ENNIS POWER COMPANY LLC, commissioned in 2002. Ellis County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.2 of 5 at the 80th national percentile. Hail is the leading peril, rated Relatively High by FEMA at the 84th 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.
Ellis County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hail | Relatively High | 84th | 4.4 of 5 | 7.9 |
| Heat wave | Relatively Moderate | 64th | 3.6 of 5 | 16.6 |
| Wildfire | Relatively Low | 59th | 3.4 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 57th | 3.3 of 5 | 3.5 |
| Lightning | Relatively High | 50th | 3.0 of 5 | 55.1 |
| Tornado | Relatively Moderate | 48th | 2.9 of 5 | 0.88 |
| Hurricane | Very Low | 30th | 2.2 of 5 | 0.01 |
| Strong wind | Relatively Low | 27th | 2.1 of 5 | 3.9 |
| Earthquake | Very Low | 22nd | 1.9 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 20th | 1.8 of 5 | 2.0 |
| Ice storm | Relatively Low | 9th | 1.4 of 5 | 1.0 |
Perils not assessed in Ellis 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 Ellis 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.