Harrison County Power Project
Natural gas power plant in Harrison County, Texas. 570 MW of nameplate capacity across 3 generators, operated by Northeast Texas Elec Coop, Inc.
Also known as EIA plant 55664
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Key facts
- Capacity
- 570 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 2003First generator online
- Operator
- Northeast Texas Elec Coop, IncEIA operator ID 13670
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Harrison County, TX32.3958, −94.4367
- EIA plant ID
- 55664EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Harrison County Power Project produces
Free · EIA-923Net generation, 2025
2.57 TWh
2,565,558 MWh, final
Capacity factor, 2025
51.4%
2024: 64.9%
January to July 2026
1.74 TWh
Provisional
Range, 2015 to 2025
1.6–3.2
TWh a year. Low 2015, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | 942,646 | Not reported | 12 of 12 |
| 2004 | 530,078 | Not reported | 12 of 12 |
| 2005 | 88,968 | Not reported | 12 of 12 |
| 2006 | 1,099,375 | Not reported | 12 of 12 |
| 2007 | 1,217,873 | Not reported | 12 of 12 |
| 2008 | 851,655 | Not reported | 12 of 12 |
| 2009 | 543,789 | Not reported | 12 of 12 |
| 2010 | 1,032,914 | 20.7% | 12 of 12 |
| 2011 | 819,796 | 16.4% | 12 of 12 |
| 2012 | 684,264 | 13.7% | 12 of 12 |
| 2013 | 624,742 | Not reported | 12 of 12 |
| 2014 | 930,362 | 18.6% | 12 of 12 |
| 2015 | 1,560,519 | 31.3% | 12 of 12 |
| 2016 | 2,421,770 | 48.4% | 12 of 12 |
| 2017 | 1,992,838 | 39.9% | 12 of 12 |
| 2018 | 1,572,405 | 31.5% | 12 of 12 |
| 2019 | 2,612,562 | 52.3% | 12 of 12 |
| 2020 | 2,892,710 | 57.8% | 12 of 12 |
| 2021 | 2,867,642 | 57.4% | 12 of 12 |
| 2022 | 2,762,067 | 55.3% | 12 of 12 |
| 2023 | 3,246,242 | 65.0% | 12 of 12 |
| 2024 | 3,247,919 | 64.9% | 12 of 12 |
| 2025 | 2,565,558 | 51.4% | 12 of 12 |
| 2026 (provisional, partial year) | 1,738,748 | 60.0% | 7 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 · SPPEmissions
Free · EPA CAMPDCO₂, 2025
1.11M
US short tons. 2024: 1.39M
SO₂, 2025
6
US short tons
NOx, 2025
137
US short tons
CO₂ per MWh, calculated
0.43 t
About 863 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (GT-1, GT-2), matched to EIA plant 55664 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
932
million gallons
Consumption, 2024
733
million gallons
Source
City Of Longview
Discharge, Reclaimed. Induced-draft tower
Watershed stress
Low · 0.227
USGS SUI, HUC12 Gandia Branch-Sabine River
12 of 12 cooling months report withdrawal. Reclaimed water or plant effluent; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GT-1 | Natural Gas Fired Combined Cycle | 170.0 | June 2003 |
| GT-2 | Natural Gas Fired Combined Cycle | 170.0 | June 2003 |
| ST-1 | Natural Gas Fired Combined Cycle | 230.0 | June 2003 |
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 Northeast Texas Elec Coop, Inc 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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Questions about Harrison County Power Project
How much power does Harrison County Power Project produce?
Harrison County Power Project reported 2,565,558 MWh (2.57 TWh) of net generation in 2025, a 51.4% capacity factor on 570 MW of nameplate capacity. From January to July 2026 it reported 1.74 TWh, which is provisional.
Where is Harrison County Power Project?
Harrison County Power Project is in Harrison County, Texas, at 32.3958, −94.4367. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Harrison County Power Project?
EIA-860M for August 2026 lists Northeast Texas Elec Coop, Inc as the operator (EIA operator ID 13670). The operator is not always the owner.
When did Harrison County Power Project start operating?
Its first generator began operating in June 2003, according to EIA-860M.
Does InfraMap have power prices for Harrison County Power Project?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Harrison County Power Project, 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
- SPP 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page