How big is DeCordova Steam Electric Station?

DeCordova Steam Electric Station has a reported capacity of 626.7 MW and an energy capacity of 260 MWh. Source: EIA Form 860.

What kind of plant is DeCordova Steam Electric Station?

DeCordova Steam Electric Station is a Batteries; Natural Gas Fired Combustion Turbine; facility in Hood County, TX, participating in the ERCOT market.

Where is DeCordova Steam Electric Station located?

DeCordova Steam Electric Station is in Hood County, TX, inside the ERCOT balancing area.

Who operates DeCordova Steam Electric Station?

DeCordova Steam Electric Station is operated by Luminant Generation Company LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does DeCordova Steam Electric Station generate?

DeCordova Steam Electric Station reported 36.9 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

Where does DeCordova Steam Electric Station connect to the grid?

DeCordova Steam Electric Station settles at DC2SES_ALL.

How does DeCordova Steam Electric Station compare to other plants?

By capacity, DeCordova Steam Electric Station ranks #40 of 257 operating plants of the same technology nationally. It ranks #11 of 32 in TX.

DeCordova Steam Electric Station — 627 MW battery storage

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DeCordova Steam Electric Station — 627 MW battery storage · Ask the Grid

Overview

Net summer capacity: 534 MW
274 MW gas · 260 MW battery
Nameplate capacity: 626.7 MW
357.6 MW gas · 269.1 MW battery
Battery owner scope: 260 MW / 260 MWh
Vistra and Mortenson
Gas generators: 4
CT1 · CT2 · CT3 · CT4
Current settlement point: DC2SES_ALL
ERCOT public listing
Registry anchor: Plant 8063
Luminant Generation Company LLC
Resource stack: 8 resources
DCSES_CT10 · DCSES_CT20

Infrastructure record

Operator: Luminant Generation Company LLC

Profile

Grid role: Co-located natural-gas peaking generation and one-hour battery storage in ERCOT.
Gas configuration: Four 89.4 MW combustion-turbine records total 357.6 MW nameplate and 274 MW net summer capability.
Battery scope: EIA reports 269.1 MW nameplate, 260 MW net summer, and 263 MWh; Vistra and Mortenson describe 260 MW / 260 MWh.
Equipment record: Mortenson reports more than 22,000 batteries in 86 enclosures, with Sungrow enclosures and inverters and a 138 kV substation tie-in.

Structured profile

Gas nameplate: 357.6 MW
EIA May 2026
Gas net summer: 274 MW
EIA May 2026
Battery EIA record: 269.1 MW / 263 MWh
EIA May 2026
Battery owner scope: 260 MW / 260 MWh
Vistra and Mortenson
Registered operator

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Units and generators

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

Generator	Capacity	Technology	Operation	Status
1	799.2 MW 818 MW summer	Natural Gas Steam Turbine Natural Gas · ST	May 1975	Operating
BESS	269.1 MW 260 MW summer	Batteries Electricity used for energy storage · BA	Jul 2022	Operating
CT1	89.4 MW 69 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	Mar 1990	Operating
CT2	89.4 MW 68 MW summer

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 799.2 MW
National rank: #40
TX rank: #11

Monthly generation

Download CSV

Latest 12 months

36.9 GWh

Reported net generation

Latest report

Dec 2024

EIA-923 monthly filing

2024 capacity factor

0.7%

Using current reported nameplate capacity

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Market registration

ERCOT public disclosures

Settlement point

DC2SES_ALL

high confidence spatial and capacity match

Market resources

8 resources

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. 47

TCEQ AIR OPERATING PERMITS; PERMIT; status ACTIVE

TCEQ AIR OPERATING PERMITS: 47

Air Permit

Permit No. 9664

TCEQ AIR NEW SOURCE PERMITS; PERMIT; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: 9664

Air Permit

Permit No. PSDTX662

TCEQ AIR NEW SOURCE PERMITS; EPA PERMIT; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: PSDTX662

Air Permit

Permit No. PSDTX662M1

TCEQ AIR NEW SOURCE PERMITS; EPA PERMIT; status ACTIVE

TCEQ AIR NEW SOURCE PERMITS: PSDTX662M1

Coordinate Parcel Area

2025

238.312 Acres

TxGIO parcel intersecting the mapped EIA plant coordinate; parcel 40539; HOOD APPRAISAL DISTRICT; tax year 2025

TxGIO land parcel intersecting

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.

AssetProject companyOwner / operatorContractorEquipment

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

May 1975
May 1975
Generator enters operationEIA-860
EIA-860 lists generator 1 with this operating date.
Mar 1990
Mar 1990
Four combustion turbines entered service

Reporting portfolio

EIA reporting entity

Luminant Generation Company LLC

Entity 55983

Operating portfolio

13 plants

2 states

Reported capacity

11,291.7 MW

Batteries · Conventional Steam Coal · Natural Gas Fired Combined Cycle

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Oak Grove (TX)	1,795.4 MW	TX
Lake Hubbard	927.5 MW	TX
Stryker Creek	713.4 MW	TX
Graham	634.7 MW	TX
DeCordova Steam Electric StationCurrent	626.7 MW	TX
Morgan Creek	536.4 MW	TX

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Overview

Infrastructure record

Profile

Structured profile

Related assets

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Timeline and sources

Project timeline

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ERCOT disclosed dispatch

Dispatch

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

Latest disclosed outputhourly · 2 weeks ending Jul 13, 2026

Settlement price economics

Operating context

Nearby substations

Parties and identifiers

Reporting portfolio

Sources

Common questions about DeCordova Steam Electric Station

How big is DeCordova Steam Electric Station?

What kind of plant is DeCordova Steam Electric Station?

Where is DeCordova Steam Electric Station located?

Who operates DeCordova Steam Electric Station?

How much electricity does DeCordova Steam Electric Station generate?

Where does DeCordova Steam Electric Station connect to the grid?

How does DeCordova Steam Electric Station compare to other plants?

Co-located assets