Tenaska Gateway Generating Station
Natural gas power plant in Rusk County, Texas. 939.6 MW of nameplate capacity across 4 generators, operated by Tenaska Gateway Partners Ltd.
Also known as EIA plant 55132
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 939.6 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- July 2001First generator online
- Operator
- Tenaska Gateway Partners LtdEIA operator ID 18518
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Rusk County, TX32.0178, −94.6197
- EIA plant ID
- 55132EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tenaska Gateway produces
Free · EIA-923Net generation, 2025
4.71 TWh
4,708,795 MWh, final
Capacity factor, 2025
57.2%
2024: 18.3%
January to July 2026
2.24 TWh
Provisional
Range, 2015 to 2025
1.5–4.7
TWh a year. Low 2024, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 1,509,848 | Not reported | 6 of 12 |
| 2002 | 4,426,124 | Not reported | 12 of 12 |
| 2003 | 4,333,939 | Not reported | 12 of 12 |
| 2004 | 3,822,987 | Not reported | 11 of 12 |
| 2005 | 3,999,299 | Not reported | 12 of 12 |
| 2006 | 4,139,359 | Not reported | 12 of 12 |
| 2007 | 3,899,278 | Not reported | 12 of 12 |
| 2008 | 1,778,316 | Not reported | 6 of 12 |
| 2009 | 2,503,818 | Not reported | 12 of 12 |
| 2010 | 3,098,788 | 37.6% | 12 of 12 |
| 2011 | 3,256,361 | 39.6% | 12 of 12 |
| 2012 | 4,128,107 | 50.0% | 12 of 12 |
| 2013 | 4,295,855 | Not reported | 12 of 12 |
| 2014 | 2,923,156 | 52.9% | 8 of 12 |
| 2015 | 4,030,188 | 49.0% | 12 of 12 |
| 2016 | 3,771,319 | 45.7% | 12 of 12 |
| 2017 | 2,530,600 | 30.7% | 12 of 12 |
| 2018 | 2,905,428 | 35.3% | 12 of 12 |
| 2019 | 3,903,757 | 47.4% | 12 of 12 |
| 2020 | 4,095,570 | 49.6% | 12 of 12 |
| 2021 | 3,267,077 | 39.7% | 12 of 12 |
| 2022 | 3,950,403 | 48.0% | 12 of 12 |
| 2023 | 3,089,897 | 37.5% | 12 of 12 |
| 2024 | 1,512,902 | 18.3% | 12 of 12 |
| 2025 | 4,708,795 | 57.2% | 12 of 12 |
| 2026 (provisional, partial year) | 2,241,724 | 46.9% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
2.02M
US short tons. 2024: 796,913
SO₂, 2025
10
US short tons
NOx, 2025
536
US short tons
CO₂ per MWh, calculated
0.43 t
About 856 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (OGTDB1, OGTDB2, OGTDB3), matched to EIA plant 55132 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
657
million gallons
Consumption, 2024
533
million gallons
Source
SABINE RIVER
Surface, Fresh. Induced-draft tower
Watershed stress
High · 0.648
USGS SUI, HUC12 Bearden Branch-Murvaul Creek
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GTG1 | Natural Gas Fired Combined Cycle | 183.2 | July 2001 |
| GTG2 | Natural Gas Fired Combined Cycle | 183.2 | July 2001 |
| GTG3 | Natural Gas Fired Combined Cycle | 183.2 | July 2001 |
| STG1 | Natural Gas Fired Combined Cycle | 390.0 | July 2001 |
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 Tenaska Gateway Partners Ltd 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.
300 analyst questions a month, plus MCP
Query Tenaska Gateway Generating Station and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Tenaska Gateway
Questions about Tenaska Gateway
How much power does Tenaska Gateway Generating Station produce?
Tenaska Gateway Generating Station reported 4,708,795 MWh (4.71 TWh) of net generation in 2025, a 57.2% capacity factor on 939.6 MW of nameplate capacity. From January to July 2026 it reported 2.24 TWh, which is provisional.
Where is Tenaska Gateway Generating Station?
Tenaska Gateway Generating Station is in Rusk County, Texas, at 32.0178, −94.6197. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Tenaska Gateway Generating Station?
EIA-860M for August 2026 lists Tenaska Gateway Partners Ltd as the operator (EIA operator ID 18518). The operator is not always the owner.
When did Tenaska Gateway Generating Station start operating?
Its first generator began operating in July 2001, according to EIA-860M.
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
- 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