Graham
Natural gas power plant in Young County, Texas. 634.7 MW of nameplate capacity across 2 generators, operated by Luminant Generation Company LLC.
Also known as Graham Gas Power Plant · EIA plant 3490
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 634.7 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1960First generator online
- Operator
- Luminant Generation Company LLCEIA operator ID 55983
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 2 ERCOT nodesResource nodes with prices
- Location
- Young County, TX33.1344, −98.6117
- EIA plant ID
- 3490EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Graham produces
Free · EIA-923Net generation, 2025
1.14 TWh
1,138,471 MWh, final
Capacity factor, 2025
20.5%
2024: 18.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.1–1.2
TWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,293,324 | Not reported | 12 of 12 |
| 2001 | 1,307,984 | Not reported | 12 of 12 |
| 2002 | 1,216,627 | Not reported | 12 of 12 |
| 2003 | 762,664 | Not reported | 12 of 12 |
| 2004 | 513,665 | Not reported | 12 of 12 |
| 2005 | 453,809 | Not reported | 12 of 12 |
| 2006 | 517,312 | Not reported | 12 of 12 |
| 2007 | 793,124 | Not reported | 12 of 12 |
| 2008 | 406,975 | Not reported | 12 of 12 |
| 2009 | 450,293 | Not reported | 9 of 12 |
| 2010 | 491,125 | 8.8% | 12 of 12 |
| 2011 | 304,723 | 5.5% | 12 of 12 |
| 2012 | 201,812 | 3.6% | 12 of 12 |
| 2013 | 169,354 | 3.0% | 12 of 12 |
| 2014 | 197,743 | 3.6% | 12 of 12 |
| 2015 | 193,615 | 3.5% | 12 of 12 |
| 2016 | 123,577 | 2.2% | 12 of 12 |
| 2017 | 70,708 | 1.3% | 12 of 12 |
| 2018 | 25,268 | 5.4% | 1 of 12 |
| 2019 | 277,844 | 5.0% | 12 of 12 |
| 2020 | 207,083 | 3.7% | 12 of 12 |
| 2021 | 279,338 | 5.0% | 12 of 12 |
| 2022 | 161,552 | 2.9% | 12 of 12 |
| 2023 | 1,150,102 | 20.7% | 12 of 12 |
| 2024 | 1,041,912 | 18.7% | 12 of 12 |
| 2025 | 1,138,471 | 20.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · ERCOTEmissions
Free · EPA CAMPDCO₂, 2025
760,633
US short tons. 2024: 673,651
SO₂, 2025
4
US short tons
NOx, 2025
2,956
US short tons
CO₂ per MWh, calculated
0.67 t
About 1,336 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 3490 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
129,707
million gallons
Consumption, 2024
545
million gallons
Source
Lake Graham Reservoir
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Moderate · 0.458
USGS SUI, HUC12 Lake Graham-Salt Creek
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 247.7 | December 1960 |
| 2 | Natural Gas Steam Turbine | 387.0 | June 1969 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Luminant Generation Company LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Graham
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Questions about Graham
How much power does Graham produce?
Graham reported 1,138,471 MWh (1.14 TWh) of net generation in 2025, a 20.5% capacity factor on 634.7 MW of nameplate capacity.
Where is Graham?
Graham is in Young County, Texas, at 33.1344, −98.6117. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Graham?
EIA-860M for August 2026 lists Luminant Generation Company LLC as the operator (EIA operator ID 55983). The operator is not always the owner.
When did Graham start operating?
Its first generator began operating in December 1960, according to EIA-860M.
Does InfraMap have power prices for Graham?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 2 price nodes linked to Graham, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page