Lagoon Creek
Natural gas power plant in Haywood County, Tennessee. 1,625.2 MW of nameplate capacity across 15 generators, operated by Tennessee Valley Authority.
Also known as Lagoon Creek Plant · EIA plant 7845
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,625.2 MWNameplate
- Generators
- 15 operatingEIA-860M, August 2026
- Operating since
- June 2001First generator online
- Operator
- Tennessee Valley AuthorityEIA operator ID 18642
- Grid
- TVABalancing authority TVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Haywood County, TN35.6578, −89.3964
- EIA plant ID
- 7845EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lagoon Creek produces
Free · EIA-923Net generation, 2025
3.45 TWh
3,449,345 MWh, final
Capacity factor, 2025
24.2%
2024: 24.5%
January to July 2026
2.30 TWh
Provisional
Range, 2015 to 2025
3.0–4.1
TWh a year. Low 2021, high 2022
| 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 | 278,931 | Not reported | 12 of 12 |
| 2004 | 127,154 | Not reported | 12 of 12 |
| 2005 | 320,977 | Not reported | 12 of 12 |
| 2006 | 344,158 | Not reported | 12 of 12 |
| 2007 | 312,894 | Not reported | 12 of 12 |
| 2008 | 268,893 | Not reported | 12 of 12 |
| 2009 | 220,989 | Not reported | 12 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 2,725,932 | 19.1% | 12 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | 720,007 | Not reported | 4 of 12 |
| 2014 | 843,244 | 18.0% | 4 of 12 |
| 2015 | 3,648,055 | 25.6% | 12 of 12 |
| 2016 | 3,906,403 | 27.4% | 12 of 12 |
| 2017 | 3,422,485 | 24.0% | 12 of 12 |
| 2018 | 3,624,059 | 25.5% | 12 of 12 |
| 2019 | 3,574,040 | 25.1% | 12 of 12 |
| 2020 | 3,764,374 | 26.4% | 12 of 12 |
| 2021 | 3,015,109 | 21.2% | 12 of 12 |
| 2022 | 4,098,705 | 28.8% | 12 of 12 |
| 2023 | 3,417,626 | 24.0% | 12 of 12 |
| 2024 | 3,499,636 | 24.5% | 12 of 12 |
| 2025 | 3,449,345 | 24.2% | 12 of 12 |
| 2026 (provisional, partial year) | 2,297,934 | 27.8% | 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
1.35M
US short tons. 2024: 1.38M
SO₂, 2025
7
US short tons
NOx, 2025
131
US short tons
CO₂ per MWh, calculated
0.39 t
About 783 lb per MWh
14 of 14 EPA units reported CO₂ in 2025 (LCC1, LCC2, LCT1, LCT10, LCT11, LCT12, LCT2, LCT3, and others), matched to EIA plant 7845 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
851
million gallons
Consumption, 2024
766
million gallons
Source
Memphis Sands Aquifer
Ground, Fresh. Induced-draft tower
Watershed stress
Low · 0.306
USGS SUI, HUC12 Lagoon Creek
12 of 12 cooling months report withdrawal. Groundwater user; SUI describes surface water and is context only. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 173.4 | September 2010 |
| CTG2 | Natural Gas Fired Combined Cycle | 173.4 | September 2010 |
| GT1 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT2 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT3 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT4 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT5 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT6 | Natural Gas Fired Combustion Turbine | 84.5 | June 2001 |
| GT7 | Natural Gas Fired Combustion Turbine | 84.5 | July 2001 |
| GT8 | Natural Gas Fired Combustion Turbine | 84.5 | July 2001 |
| GT9 | Natural Gas Fired Combustion Turbine | 86.2 | June 2002 |
| GT10 | Natural Gas Fired Combustion Turbine | 86.2 | June 2002 |
| GT11 | Natural Gas Fired Combustion Turbine | 86.2 | June 2002 |
| GT12 | Natural Gas Fired Combustion Turbine | 86.2 | June 2002 |
| STG1 | Natural Gas Fired Combined Cycle | 257.6 | September 2010 |
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 Tennessee Valley Authority 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 Lagoon Creek
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Questions about Lagoon Creek
How much power does Lagoon Creek produce?
Lagoon Creek reported 3,449,345 MWh (3.45 TWh) of net generation in 2025, a 24.2% capacity factor on 1,625.2 MW of nameplate capacity. From January to July 2026 it reported 2.30 TWh, which is provisional.
Where is Lagoon Creek?
Lagoon Creek is in Haywood County, Tennessee, at 35.6578, −89.3964. It is in the Tennessee Valley Authority balancing area (TVA).
Who operates Lagoon Creek?
EIA-860M for August 2026 lists Tennessee Valley Authority as the operator (EIA operator ID 18642). The operator is not always the owner.
When did Lagoon Creek start operating?
Its first generator began operating in June 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page