How big is Barney M Davis?

Barney M Davis has a reported capacity of 1,082.2 MW. Source: EIA Form 860.

What kind of plant is Barney M Davis?

Barney M Davis is a Natural Gas Fired Combined Cycle, Natural Gas Steam Turbine facility in Nueces County, TX, participating in the ERCOT market.

Where is Barney M Davis located?

Barney M Davis is in Nueces County, TX, inside the ERCOT balancing area.

Who operates Barney M Davis?

Barney M Davis 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 Barney M Davis generate?

Barney M Davis reported 1,518.2 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does Barney M Davis connect to the grid?

Barney M Davis interconnects at Barney M. Davis Substation (ETT), on the AEP Texas Central Company system.

How does Barney M Davis compare to other plants?

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

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Natural Gas Steam Turbine, Natural Gas Fired Combined CycleERCOT · Nueces County

Barney M Davis

CPS Energy · Nueces County · ERCOT

Barney M Davis is a natural gas-fired power facility with 1,082.2 MW of EIA-reported nameplate capacity in Nueces County, Texas, registered as EIA Plant ID 4939. City of San Antonio - (TX) is the registered plant entity or operator.

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Overview

Key fields

Reported capacity: 1,082.2 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combined Cycle, Natural Gas Steam Turbine
Primary generation technology.
Registry anchor: Plant 4939
City of San Antonio - (TX) · Nueces County · ERCOT
Operating status

Asset analyst

plant:plant-4939

Ask about Barney M Davis

Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Units and generators

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

Generator	Capacity	Technology	Operation	Status
1	352 MW 292 MW summer	Natural Gas Steam Turbine Natural Gas · ST	May 1974 Retirement: Dec 2017	Operating
2	351 MW 319 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CA	Jul 1976	Operating
3	189.6 MW 157 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Mar 2010	Operating
4	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 Operating Permit

O34

TCEQ Air Operating Permit for Barney Davis Energy Center renewal; Federal Operating Permit covering one boiler (BMD1) primarily using natural gas with fuel oil as secondary fuel and two turbines.

TCEQ AIR OPERATING PERMITS: 34

Air Permit

Permit No. 160554

TCEQ AIR NEW SOURCE PERMITS; REGISTRATION; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 160554

Air Permit

Permit No. 181567

TCEQ AIR NEW SOURCE PERMITS; REGISTRATION; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 181567

Air Permit

Permit No. 34

TCEQ AIR OPERATING PERMITS; PERMIT; status PENDING

TCEQ AIR OPERATING PERMITS: 34

Air Permit

Permit No. 40644

TCEQ AIR NEW SOURCE PERMITS; REGISTRATION; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 40644

Mapped facility footprint

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

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AssetOwner / operatorContractor

Parties and identifiers

OrganizationRoleBasis

B_DAVIS_B_DAVIG1, B_DAVIS_CC1_1, B_DAVIS_CC1_2, B_DAVIS_CC1_3Market resourcesLinked ERCOT resources.

plant:plant-4939Grid selectionCanonical asset page /assets/facilities/barney-m-davis.

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 DavisCurrent	1,082.2 MW	TX
Rio Nogales Power Project	940.2 MW	TX
O W Sommers	892 MW	TX
Nueces Bay

Overview

Key fields

Ask about Barney M Davis

Overview

Key fields

Ask about Barney M Davis

Infrastructure record

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

ERCOT disclosed dispatch

Generation

Output by hourlocal time · 90 days through Jun 4, 2026

Latest disclosed outputhourly · 2 weeks ending Jun 4, 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 Barney M Davis

How big is Barney M Davis?

What kind of plant is Barney M Davis?

Where is Barney M Davis located?

Who operates Barney M Davis?

How much electricity does Barney M Davis generate?

Where does Barney M Davis connect to the grid?

How does Barney M Davis compare to other plants?

Co-located assets

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