SPENCER

Operating

Natural Gas power plant

Capacity
127 MW
Primary fuel
Natural Gas
County
Denton County
Operator
CITY OF GARLAND - (TX)
Status
Operating
Commissioned
1966
EIA plant ID
4266
Generators
2
Technology
Natural Gas Steam Turbine
Net generation (2024)
10.8 GWh
Capacity factor (2024, EIA nameplate)
1%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
33.1976, -97.1066

See it on the map

SPENCER, a 127 MW Natural Gas power plant in Denton County, Texas. Operated by CITY OF GARLAND - (TX), commissioned 1966.

How SPENCER compares

With 127 MW of capacity, SPENCER ranks 164th among the 307 operating power plants Bywatts maps in Texas and 104th of the 134 operating Natural Gas plants in the state. It accounts for about 0.2% of Texas's operating Natural Gas capacity and 0.1% of all operating capacity in the state. Nationally it is the 633rd-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1966, it is older than 86% of the 303 operating Texas plants with a recorded commissioning year. Its operator, CITY OF GARLAND - (TX), runs 3 operating plants in Texas totaling 557 MW. It shares Denton County with 2 other operating plants, FARMERS BRANCH RENEWABLE ENERGY FACILITY and LEWISVILLE.

EIA-860 lists 2 generators at the site with 127 MW of nameplate capacity, all natural gas steam turbine technology. Net generation was 10.8 GWh in 2024 (a 1% capacity factor). Its generators came online between 1966 and 1973.

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. Another 3 operating power plants totaling 17 MW sit within 25 miles; the largest is STATE FARM INSUR SUPPORT CENTER CENTRAL (11 MW, Oil). Within 50 miles are 11 mapped data centers; the nearest is CyrusOne Dallas (Lewisville) in Lewisville, about 15.0 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

SPENCER is a 127 MW natural gas power plant in Denton County, TX, operated by CITY OF GARLAND - (TX), commissioned in 1966. Denton County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.8 of 5 at the 95th national percentile. Hail is the leading peril, rated Very High by FEMA at the 96th 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.

4.8 of 5Modeled catastrophe exposure
CriticalExposure band
HailLeading peril
Relatively HighFEMA county risk rating

Denton County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
HailVery High96th4.8 of 59.7
TornadoVery High82nd4.3 of 50.95
Heat waveRelatively High65th3.6 of 518.2
WildfireRelatively Moderate61st3.5 of 5<0.01
Ice stormVery High60th3.4 of 51.2
LightningRelatively Moderate58th3.3 of 554.6
Winter weatherRelatively High52nd3.1 of 54.8
Riverine floodingRelatively High25th2.0 of 53.1
HurricaneVery Low24th2.0 of 50.01
EarthquakeRelatively Low24th2.0 of 5<0.01
Strong windRelatively High11th1.5 of 54.4

Perils not assessed in Denton 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.

PerilWhy it is not scored
Coastal floodingFEMA rating is "Not Applicable" for this county

Model hail, wind and flood exposure for Denton 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.