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V H Braunig

Bexar County, Texas · EIA plant ID 3612 · Operator: City of San Antonio - (TX)
Natural gasNatural Gas Fired Combustion TurbineNatural Gas Steam Turbine⛽ Dual-fuelERCOTBA: ERCO
Nameplate1,138MWSummer 1,050 MW
Generators7in service
Net generation251GWh12 mo to Aug 2026
Capacity factor3%gas/coal/oil units, summer MW
Heat rate10,991Btu/kWhfossil units, electric fuel, HHV
First online1966Runs as peaking

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-1000100200300GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%10%20%200520102015202020252.7% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
10,00011,00012,0002005201020152020202510,991 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2001972.7——
2002738.6——
20031,004.413.3%11,015
2004600.47.9%11,159
2005989.513.1%11,278
20061,093.114.5%11,268
200788911.8%11,000
20081,013.913.4%11,034
2009893.711.8%11,106
2010777.510.1%11,403
2011892.89.7%11,338
20127598.2%11,540
20135195.6%11,716
2014278.23.0%12,605
2015398.54.3%12,062
2016617.26.7%11,793
2017455.45.0%11,693
2018577.16.3%11,288
20191,02011.1%11,306
2020857.49.3%11,292
2021928.710.1%11,449
20221,663.118.1%11,492
20231,649.617.9%11,261
20242,028.822.0%10,941
2025650.77.1%10,738

Fuel capability

Gas-fired turbines (CT/GT/CA/CS) that can also burn liquid fuel. EIA-860 Schedule 3 for capability, EIA-923 for actual burn.
StatusLikely still dual fuel
Liquid fuel burned · 36 mo93,633 MMBtu
Last month with liquid burnJul 2026
Switch while operatingNo
Net summer MW on gas191
Net summer MW on oil191
Time gas → oilup to 6 h (EIA 6H)
Time oil → gasup to 6 h (EIA 6H)

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Natural Gas Steam TurbineST225217Mar 1966Operating (Out of service)—coming soon
2Natural Gas Steam TurbineST252230Apr 1968Operating (Out of service)—coming soon
3Natural Gas Steam TurbineST417412May 1970Operating (Out of service, expected back within the year)—coming soon
5Natural Gas Fired Combustion TurbineGT6148Dec 2010Operating—coming soon
6Natural Gas Fired Combustion TurbineGT6148Dec 2010Operating—coming soon
7Natural Gas Fired Combustion TurbineGT6148Dec 2010Operating—coming soon
8Natural Gas Fired Combustion TurbineGT6147Dec 2010Operating—coming soon

Owner / operator

Operator: City of San Antonio - (TX). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
City of San Antonio - (TX)100.0%1,138 MW

Nearby plants

Within 80 km.
Arthur Von Rosenberg575 MW0.2 km
SunE CPS2 LLC10 MW3.7 km
SunE CPS1 LLC10 MW3.7 km
Blue Wing Solar Energy Generation14 MW5.6 km
OCI Alamo Solar I Hybrid41 MW6.3 km
Bexar ESS100 MW7.3 km