Oak Grove (TX) — 1,795 MW coal plant, Robertson County, TX

Oak Grove (TX) — 1,795 MW coal plant, Robertson County, TX · Ask the Grid

Units and generators

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

Generator	Capacity	Technology	Operation	Status
OG1	916.8 MW 855 MW summer	Conventional Steam Coal Lignite · ST	Apr 2010	Operating
OG2	878.6 MW 855 MW summer	Conventional Steam Coal Lignite · ST	Apr 2011	Operating

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

OGSES_UNIT1A, OGSES_UNIT2Market resourcesLinked ERCOT resources.

plant:plant-6180Grid selectionCanonical asset page /assets/facilities/oak-grove-tx.

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

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Comanche Peak	2,430 MW	TX
Martin Lake	2,379.6 MW	TX
Oak Grove (TX)Current	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 Station	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

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Apr 2010
Apr 2010
Generator enters operationEIA-860
EIA-860 lists generator OG1 with this operating date.
Apr 2011
Apr 2011
Generator enters operationEIA-860
EIA-860 lists generator OG2 with this operating date.
Jul 13, 2026
Jul 13, 2026
Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

ERCOTERCOT 60-Day SCED disclosureMarket disclosure

Common questions about Oak Grove (TX)

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Oak Grove (TX)?

Oak Grove (TX) has a reported capacity of 1,795.4 MW. Source: EIA Form 860.

What kind of plant is Oak Grove (TX)?

Oak Grove (TX) is a Conventional Steam Coal facility in Robertson County, TX, participating in the ERCOT market.

Where is Oak Grove (TX) located?

Oak Grove (TX) is in Robertson County, TX, inside the ERCOT balancing area.

Who operates Oak Grove (TX)?

Oak Grove (TX) 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 Oak Grove (TX) generate?

Oak Grove (TX) reported 11,826.2 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.

How does Oak Grove (TX) compare to other plants?

By capacity, Oak Grove (TX) ranks #25 of 206 operating plants of the same technology nationally. It ranks #4 of 11 in TX.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Diver Solar, LLCSolar PhotovoltaicSolar Photovoltaic225 MW12 km Tidwell Prairie Storage 1BatteriesBatteries200 MW19 km Major Oak PowerConventional Steam CoalConventional Steam Coal · same type349 MW22 km

Overview

Overview

Infrastructure record

Profile

Structured profile

Related assets

Limestone

Fayette Power Project

Sandy Creek Energy Station

J K Spruce

Martin Lake

Welsh

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