← Back to map

Laredo

Webb County, Texas · EIA plant ID 3439 · Operator: City of San Antonio - (TX)
Natural gasNatural Gas Fired Combustion TurbineERCOTBA: ERCO
Nameplate264MWSummer 177 MW
Generators2in service
Net generation24GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate10,000Btu/kWhfossil units, electric fuel, HHV
First online2008Runs as peaking

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0255075100GWh2001200320052007200920112013201520172019202120232025

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%20%40%60%200520102015202020251.5% · 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.
9,00010,00011,00012,0002005201020152020202510,000 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2001567.3——
2002475.7——
2003637.240.9%11,624
2004707.747.1%11,747
2005625.141.7%12,017
2006875.358.4%11,792
2007794.453.7%12,223
2008565.735.9%11,440
2009402.825.8%9,556
2010128.98.3%9,655
201199.66.4%10,358
2012196.112.5%10,308
2013203.712.3%10,300
2014135.78.2%10,633
201588.75.7%11,855
2016234.415.0%10,243
2017111.87.2%9,886
2018173.211.2%9,919
2019111.67.2%9,838
202076.14.9%9,371
2021101.86.6%9,667
202236.12.3%9,930
202342.12.7%9,733
202452.43.4%9,448
202524.11.6%10,000

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
4Natural Gas Fired Combustion TurbineGT131.890.1Aug 2008Operating—coming soon
5Natural Gas Fired Combustion TurbineGT131.887.3Sep 2008Operating—coming soon
1Natural Gas Steam TurbineST34.532May 1951Retired Sep 2008—coming soon
2Natural Gas Steam TurbineST37.532May 1955Retired Sep 2008—coming soon
3Natural Gas Steam TurbineST115.2105Aug 1975Retired Sep 2008—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%264 MW

Nearby plants

Within 80 km.
HEB000952 MW5.7 km
WAL35181 MW6.3 km
WAL57131 MW6.7 km
Seven Flags BESS LLC100 MW15.3 km
Wolf Tank Storage150 MW23 km
Guajillo Energy Storage229 MW24.9 km