Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
730.2 MW Natural Gas operating in Nueces, TX — Electric Reliability Council of Texas, Inc.
730.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1972
Operating Since
Coordinates
27.8194, -97.4192
County
Nueces, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of San Antonio - (TX) | — | — |
| Owner(s) | City of San Antonio - (TX) | — | — |
| Status | Operating | — | — |
Nueces Bay is a 730.2 MW natural gas-fired combined cycle power plant located in Nueces County, Texas. The plant began operating in 1972 and consists of three generators. It is owned and operated by the City of San Antonio. Nueces Bay operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region.
In the most recent year of reported generation, Nueces Bay produced 1,821,343 MWh of electricity, achieving a capacity factor of 28.4%. The plant ranks as the 48th largest in Texas out of 144 facilities, and 286th nationally out of 945. Recent news coverage of Nueces Bay has focused on deals, regulatory matters, and industry news.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
159.2K MWh
Latest Month
1.8M MWh
Annual Generation
28.4%
Capacity Factor
CO₂ Intensity
923 lb/MWh
NOx
0.138 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $704.7M
Point of Interconnection
Nearest Substation
Nueces Bay Substation · 138 kV
Substation Distance
0 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
NUE_NUECESG7
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
0.005 lb/MWh
CH₄
0.017 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
16.7%
Annual Net Gen
1066 GWh
CO₂eq
924 lb/MWh
Subregion
ERCOT All