Lay Dam
Hydro power plant in Chilton County, Alabama. 177 MW of nameplate capacity across 6 generators, operated by Alabama Power Co.
Also known as EIA plant 15
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 177 MWNameplate
- Generators
- 6 operatingEIA-860M, August 2026
- Operating since
- February 1967First generator online
- Operator
- Alabama Power CoEIA operator ID 195
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Chilton County, AL32.9633, −86.5187
- EIA plant ID
- 15EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lay Dam produces
Free · EIA-923Net generation, 2025
482 GWh
482,425 MWh, final
Capacity factor, 2025
31.1%
2024: 29.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
404.6–719.8
GWh a year. Low 2016, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 305,163 | Not reported | 12 of 12 |
| 2001 | 516,816 | Not reported | 12 of 12 |
| 2002 | 551,336 | Not reported | 12 of 12 |
| 2003 | 748,941 | Not reported | 12 of 12 |
| 2004 | 613,786 | Not reported | 12 of 12 |
| 2005 | 564,409 | Not reported | 12 of 12 |
| 2006 | 415,170 | Not reported | 12 of 12 |
| 2007 | 193,953 | Not reported | 12 of 12 |
| 2008 | 368,984 | Not reported | 12 of 12 |
| 2009 | 764,959 | Not reported | 12 of 12 |
| 2010 | 482,545 | 31.1% | 12 of 12 |
| 2011 | 464,551 | 30.0% | 12 of 12 |
| 2012 | 349,824 | 22.5% | 12 of 12 |
| 2013 | 774,445 | 49.9% | 12 of 12 |
| 2014 | 561,938 | 36.2% | 12 of 12 |
| 2015 | 557,768 | 36.0% | 12 of 12 |
| 2016 | 404,623 | 26.0% | 12 of 12 |
| 2017 | 499,669 | 32.2% | 12 of 12 |
| 2018 | 685,072 | 44.2% | 12 of 12 |
| 2019 | 667,283 | 43.0% | 12 of 12 |
| 2020 | 702,829 | 45.2% | 12 of 12 |
| 2021 | 719,765 | 46.4% | 12 of 12 |
| 2022 | 601,330 | 38.8% | 12 of 12 |
| 2023 | 454,677 | 29.3% | 12 of 12 |
| 2024 | 454,356 | 29.2% | 12 of 12 |
| 2025 | 482,425 | 31.1% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 29.5 | April 1968 |
| 2 | Conventional Hydroelectric | 29.5 | April 1968 |
| 3 | Conventional Hydroelectric | 29.5 | December 1967 |
| 4 | Conventional Hydroelectric | 29.5 | October 1967 |
| 5 | Conventional Hydroelectric | 29.5 | May 1967 |
| 6 | Conventional Hydroelectric | 29.5 | February 1967 |
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 Alabama Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Lay Dam
More plants operated by Alabama Power Co
Questions about Lay Dam
How much power does Lay Dam produce?
Lay Dam reported 482,425 MWh (482 GWh) of net generation in 2025, a 31.1% capacity factor on 177 MW of nameplate capacity.
Where is Lay Dam?
Lay Dam is in Chilton County, Alabama, at 32.9633, −86.5187. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates Lay Dam?
EIA-860M for August 2026 lists Alabama Power Co as the operator (EIA operator ID 195). The operator is not always the owner.
When did Lay Dam start operating?
Its first generator began operating in February 1967, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page