🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Power plants › Gas power plants › Texas

GAS POWER PLANTS

Mark One Power Station

Mark One Power Station is a 484 MW operating gas power plant in Brazoria County, Texas, operated by City of San Antonio - (TX).

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingNov 2022 (current stage)
  5. Closed (not yet reached)

Open in Google MapsMore gas power plants in Texas

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
CTG-1Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-2Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-3Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-4Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-5Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-6Natural Gas Fired Combustion Turbine61 MW OperatingNov 2022
CTG-7Natural Gas Fired Combustion Turbine61 MW OperatingOct 2024
CTG-8Natural Gas Fired Combustion Turbine61 MW OperatingOct 2024

Plant details

Operator
City of San Antonio - (TX)
Location
Brazoria County, Texas
Balancing authority
ERCO
Sector
Electric Utility
Capacity
Operating: 484 MW
First unit online
Nov 2022
EIA plant ID
65372

Location

29.2271, -95.4308

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem