How big is Nueces Bay?

Nueces Bay has a reported capacity of 730.2 MW. Source: EIA Form 860.

What kind of plant is Nueces Bay?

Nueces Bay is a Natural Gas Fired Combined Cycle facility in Nueces County, TX, participating in the ERCOT market.

Where is Nueces Bay located?

Nueces Bay is in Nueces County, TX, inside the ERCOT balancing area.

Who operates Nueces Bay?

Nueces Bay is operated by City of San Antonio - (TX) according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Nueces Bay generate?

Nueces Bay reported 1,946.5 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.

How does Nueces Bay compare to other plants?

By capacity, Nueces Bay ranks #163 of 538 operating plants of the same technology nationally. It ranks #27 of 69 in TX.

Nueces Bay — 730 MW gas plant, Nueces County, TX

Ask the Grid/

Create free workspace

Ask the Grid

Create free workspace

Nueces Bay — 730 MW gas plant, Nueces County, TX · Ask the Grid

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
5	32.5 MW 30 MW summer	Natural Gas Steam Turbine Natural Gas · ST	—	Operating
6	180 MW 161 MW summer	Natural Gas Steam Turbine Natural Gas · ST	May 1965	Operating
7	351 MW 319 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CA	Jul 1972	Operating
8	189.6 MW 157 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Mar 2010	Operating
9	189.6 MW 157 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Mar 2010	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Land and environmental record

Air Permit

Permit No. 181559

TCEQ AIR NEW SOURCE PERMITS; REGISTRATION; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 181559

Air Permit

Permit No. 40

TCEQ AIR OPERATING PERMITS; PERMIT; status PENDING

TCEQ AIR OPERATING PERMITS: 40

Air Permit

Permit No. 81594

TCEQ AIR NEW SOURCE PERMITS; PERMIT; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 81594

Air Permit

Permit No. 94484

TCEQ AIR NEW SOURCE PERMITS; REGISTRATION; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 94484

Air Permit

Permit No. PSDTX1091

TCEQ AIR NEW SOURCE PERMITS; EPA PERMIT; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: PSDTX1091

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorRelated asset

Parties and identifiers

OrganizationRoleBasis

CPS EnergyPortfolio ownerFinancing covers a portfolio that includes Nueces Bay.

CPS EnergyPortfolio operatorFinancing covers a portfolio that includes Nueces Bay.

NUECES_B_CC1_1, NUECES_B_CC1_2Market resourcesLinked ERCOT resources.

plant:plant-3441Grid selectionCanonical asset page /assets/facilities/nueces-bay.

Reporting portfolio

EIA reporting entity

City of San Antonio - (TX)

Entity 16604

Operating portfolio

16 plants

1 states

Reported capacity

9,412.3 MW

Batteries · Conventional Steam Coal · Natural Gas Fired Combined Cycle

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
J K Spruce	1,488.5 MW	TX
V H Braunig	1,138 MW	TX
Barney M Davis	1,082.2 MW	TX
Rio Nogales Power Project	940.2 MW	TX
O W Sommers	892 MW	TX
Nueces BayCurrent

Overview

Overview

Infrastructure record

Profile

Structured profile

Related assets

Corpus Christi Energy Center

Ingleside Cogeneration

Gregory Power Plant

Magic Valley Generating Station

Barney M Davis

Formosa Utility Venture Ltd

Units and generators

Performance

Peer context

Monthly generation

ERCOT disclosed dispatch

Generation

Output by hourlocal time · 90 days through Jul 13, 2026

Latest disclosed outputhourly · 2 weeks ending Jul 13, 2026

Settlement price economics

Grid and market context

Market registration

Operating context

Nearby substations

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Nueces Bay

How big is Nueces Bay?

What kind of plant is Nueces Bay?

Where is Nueces Bay located?

Who operates Nueces Bay?

How much electricity does Nueces Bay generate?

How does Nueces Bay compare to other plants?

Co-located assets