How big is Wolf Hollow I LP?

Wolf Hollow I LP has a reported capacity of 788.4 MW. Source: EIA Form 860M.

What kind of plant is Wolf Hollow I LP?

Wolf Hollow I LP is a Natural Gas Fired Combined Cycle facility in Hood County, TX, participating in the ERCOT market.

Where is Wolf Hollow I LP located?

Wolf Hollow I LP is in Hood County, TX, inside the ERCOT balancing area.

Who operates Wolf Hollow I LP?

Wolf Hollow I LP is operated by Wolf Hollow I Power, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Wolf Hollow I LP generate?

Wolf Hollow I LP reported 3,115.7 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Wolf Hollow I LP compare to other plants?

By capacity, Wolf Hollow I LP ranks #148 of 538 operating plants of the same technology nationally. It ranks #26 of 69 in TX.

Ask the Grid

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Wolf Hollow I LP

TotalEnergies SE - Hood County - ERCOT

EIA plant 55139, Wolf Hollow I LP, is a 788.4 MW natural-gas-fired combined-cycle power plant located at 9201 Wolf Hollow Court, Granbury, Hood County, Texas (32.33422, -97.73169). The facility comprises two Mitsubishi M501G combustion turbines rated at 243.9 MW each and one Mitsubishi tandem-compound steam turbine rated at 300.6 MW. TotalEnergies SE acquired the plant as part of a three-plant portfolio from TexGen in February 2024, following Exelon's ownership from 2011 to 2017 and AES Corporation's original development and initial operation.

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Wolf Hollow I LP

ERCOT · Asset profile

Ask about Wolf Hollow I LP

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Wolf Hollow I LP — 788 MW gas plant, Hood County, TX · Ask the Grid

Overview

Nameplate capacity: 788.4000000000001 MW
Canonical EIA plant baseline.
Registry anchor: Plant 55139
plant-55139
Resource stack: 5 resources
WHCCS2_CC2_1 · WHCCS2_CC2_2

Infrastructure record

Mapped facility footprint: 29.51 mapped acres
Mapped infrastructure geometry associated with this asset.

Structured profile

Technology: Natural Gas Fired Combined Cycle
Operator: Wolf Hollow I Power, LLC

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Units and generators

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

Generator	Capacity	Technology	Operation	Status
CTG1	243.9 MW 245 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Aug 2003	Operating
CTG2	243.9 MW 240 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Aug 2003	Operating
ST	300.6 MW 271 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CA	Aug 2003	Operating

Performance

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

Peer context

Technology capacity: 788.4 MW
National rank: #148
TX rank: #26

Monthly generation

Download CSV

Latest 12 months

3.12 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

43.5%

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

WHCCS2_CC2·WHCCS_CC1

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

Construction Commenced

2001

AES began construction of the Wolf Hollow gas-fired combined-cycle plant. Contemporary materials described a $300 million project with approximately 730 MW of planned capacity.

AES Corporation · AES Wolf Hollow Limited Partnership

power-eng.com

Construction Milestone

Nov 18, 2002

The plant was reported as approximately 90% complete and scheduled for operation by February 2003. AES Wolf Hollow Limited Partnership was identified as the planned owner and operator; Mitsubishi equipment and Stone & Webster engineering, procurement, and construction services were associated with the project.

$300.0MAES Corporation · AES Wolf Hollow Limited Partnership · Stone & Webster Incorporated · Mitsubishi Heavy Industries

industrialinfo.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.

Relationship graph

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

AssetOwner / operatorContractorOrganizationOfftaker

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

2001
2001
Construction Beganpower-eng.c...
AES began construction of the Wolf Hollow gas-fired combined-cycle plant. Contemporary materials described a $300 million project with approximately 730 MW of planned capacity.
Nov 18, 2002
Nov 18, 2002
Construction Nearing Completion

Ask about Wolf Hollow I LP

Ask about Wolf Hollow I LP

Overview

Infrastructure record

Structured profile

Related assets

Thad Hill Energy Center

Wise County Power LLC

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Relationship graph

Timeline and sources

Project timeline

Wolf Hollow II

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ERCOT disclosed dispatch

Output by hourlocal time · 90 days through Jun 29, 2026

Latest disclosed outputhourly · 2 weeks ending Jun 29, 2026

Settlement price economics

Operating context

Nearby substations

Parties and identifiers

Reporting portfolio

Sources

Common questions about Wolf Hollow I LP

How big is Wolf Hollow I LP?

What kind of plant is Wolf Hollow I LP?

Where is Wolf Hollow I LP located?

Who operates Wolf Hollow I LP?

How much electricity does Wolf Hollow I LP generate?

How does Wolf Hollow I LP compare to other plants?

Co-located assets