Welsh has a reported capacity of 1,116 MW. Source: EIA Form 860M.

What kind of plant is Welsh?

Welsh is a Conventional Steam Coal facility in Titus County, TX, participating in the SPP market.

Where is Welsh located?

Welsh is in Titus County, TX, inside the SPP balancing area.

Welsh is operated by Southwestern Electric Power Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Welsh generate?

Welsh reported 3,551.5 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Welsh compare to other plants?

By capacity, Welsh ranks #33 of 206 operating plants of the same technology nationally. It ranks #6 of 11 in TX.

Ask the Grid

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Welsh

Southwestern Electric Power CoTitus CountySPP

Welsh Plant is a coal-fired generating station in Titus County, Texas, associated with the SPP registry. The EIA plant baseline lists 1,116 MW of nameplate capacity. In its 2025 annual report, American Electric Power said Southwestern Electric Power Company had filed December 2024 applications to convert Welsh Units 1 and 3 to natural gas, with the company targeting 2028 for Unit 1 and 2027 for Unit 3. Those company plans are not presented as completed operating changes.

Welsh — 1,116 MW coal plant, Titus County, TX · Ask the Grid

Overview

Nameplate capacity: 1116 MW
Canonical EIA plant baseline.
Registry anchor: Plant 6139
plant-6139

Structured profile

Technology: Conventional Steam Coal
Operator: Southwestern Electric Power Co

Related assets

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Noble County

Same typeComparable scale266 mi away

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John W Turk Jr Power Plant

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Units and generators

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

Generator	Capacity	Technology	Operation	Status
1	558 MW 500 MW summer	Conventional Steam Coal Subbituminous Coal · ST	Mar 1977 Retirement: Jan 2028	Operating
2	558 MW 528 MW summer	Conventional Steam Coal Subbituminous Coal · ST	Apr 1980 Retirement: Apr 2016	Operating
3	558 MW 500 MW summer	Conventional Steam Coal Subbituminous Coal · ST	Mar 1982 Retirement: Jan 2028	Operating

Performance

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

Peer context

Technology capacity: 1,674 MW
National rank: #33
TX rank: #6

Monthly generation

Download CSV

Latest 12 months

3.55 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

42.1%

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.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN304994

IN SERVICE · 345 kV

0.2 km

UNKNOWN309146

Commercial, land, and environmental record

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

Transactions and agreements

Fuel Conversion

Dec 2024

American Electric Power's 2025 annual report says Southwestern Electric Power Company filed applications in December 2024 to convert Welsh Units 1 and 3 to natural gas; the reported target dates remain company plans.

docs.aep.com

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.

Parties and identifiers

OrganizationRoleBasis

plant:plant-6139Grid selectionCanonical asset page /assets/facilities/welsh-plant.

Reporting portfolio

EIA reporting entity

Southwestern Electric Power Co

Entity 17698

Operating portfolio

11 plants

4 states

Reported capacity

6,291 MW

Conventional Steam Coal · Natural Gas Fired Combined Cycle · Natural Gas Steam Turbine

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Mar 1977
Mar 1977
Generator enters operationEIA-860
EIA-860 lists generator 1 with this operating date.
Apr 1980
Apr 1980
Generator enters operation

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
WelshCurrent	1,116 MW	TX
Traverse Wind Project, LLC	999 MW	OK
Wilkes	882 MW	TX
J Lamar Stall Unit	624 MW	LA
John W Turk Jr Power Plant	609 MW	AR
Wagon Wheel Wind	598.4 MW	OK
Flint Creek	558 MW	AR
Knox Lee	351 MW	TX

Welsh

Welsh

Overview

Structured profile

Related assets

Sooner

John W Turk Jr Power Plant

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Tolk

GREC

Hugo

Antelope Valley

Sources

Common questions about Welsh

How big is Welsh?

What kind of plant is Welsh?

Where is Welsh located?

Who operates Welsh?

How much electricity does Welsh generate?

How does Welsh compare to other plants?