POWER STATION 4

Operating

Natural Gas power plant

Capacity
191 MW
Primary fuel
Natural Gas
County
Galveston County
Operator
SOUTH HOUSTON GREEN POWER LP
Status
Operating
Commissioned
1986
EIA plant ID
52132
Generators
3
Technology
Natural Gas Fired Combined Cycle
Net generation (2024)
401 GWh
Capacity factor (2024, EIA nameplate)
24%
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
29.3782, -94.9219

See it on the map

POWER STATION 4, a 191 MW Natural Gas power plant in Galveston County, Texas. Operated by SOUTH HOUSTON GREEN POWER LP, commissioned 1986.

How POWER STATION 4 compares

With 191 MW of capacity, POWER STATION 4 ranks 129th among the 307 operating power plants Bywatts maps in Texas and 93rd of the 134 operating Natural Gas plants in the state. It accounts for about 0.3% of Texas's operating Natural Gas capacity and 0.2% of all operating capacity in the state. Nationally it is the 547th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1986, it is older than 71% of the 303 operating Texas plants with a recorded commissioning year. Its operator, SOUTH HOUSTON GREEN POWER LP, runs 2 operating plants in Texas totaling 1,052 MW. It shares Galveston County with 3 other operating plants, including GREEN POWER 2 and TEXAS CITY POWER PLANT.

EIA-860 lists 3 generators at the site with 191 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 401 GWh in 2024 (a 24% capacity factor), down 31% from 2022.

Grid neighborhood

The closest transmission line found within 10 miles is a 138 kV line owned by TEXAS-NEW MEXICO POWER CO., about 0.1 miles away. Another 8 operating power plants totaling 2,213 MW sit within 25 miles; the largest is GREEN POWER 2 (861 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is Netrality Houston - 1301 Fannin in Houston, about 37.2 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

POWER STATION 4 is a 191 MW natural gas power plant in Galveston County, TX, operated by SOUTH HOUSTON GREEN POWER LP, commissioned in 1986. Galveston County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.9 of 5 at the 48th national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 91st 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.

2.9 of 5Modeled catastrophe exposure
ElevatedExposure band
HurricaneLeading peril
Relatively HighFEMA county risk rating

Galveston County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
HurricaneRelatively High91st4.6 of 50.22
LightningVery High88th4.5 of 569.9
WildfireRelatively Low73rd3.9 of 5<0.01
Riverine floodingRelatively High64th3.6 of 52.9
Heat waveRelatively Moderate53rd3.1 of 515.3
Coastal floodingRelatively High48th2.9 of 53.8
Ice stormRelatively High42nd2.7 of 50.77
TornadoRelatively High31st2.2 of 50.62
HailRelatively Low18th1.7 of 51.7
EarthquakeVery Low17th1.7 of 5<0.01
Strong windRelatively Moderate10th1.4 of 51.1
Winter weatherVery Low3rd1.1 of 50.82

Model hail, wind and flood exposure for Galveston 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.