Mother Ann Lee
Hydro power plant in Mercer County, Kentucky. 2.1 MW of nameplate capacity across 3 generators, operated by Lock 7 Hydro Partners LLC.
Also known as Mother Ann Lee Hydroelectric Station · EIA plant 1359
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- March 2007First generator online
- Operator
- Lock 7 Hydro Partners LLCEIA operator ID 54775
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Mercer County, KY37.8297, −84.7247
- EIA plant ID
- 1359EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mother Ann Lee produces
Free · EIA-923Net generation, 2025
6.39 GWh
6,391 MWh, final
Capacity factor, 2025
34.7%
2024: 34.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.2–11.0
GWh a year. Low 2023, high 2021
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2 | Not reported | 12 of 12 |
| 2001 | −13 | Not reported | 12 of 12 |
| 2002 | −24 | Not reported | 12 of 12 |
| 2003 | −13 | Not reported | 12 of 12 |
| 2004 | −21 | Not reported | 12 of 12 |
| 2005 | 11 | Not reported | 12 of 12 |
| 2006 | 0 | Not reported | 12 of 12 |
| 2007 | 2,350 | Not reported | 12 of 12 |
| 2008 | 5,038 | Not reported | 12 of 12 |
| 2009 | 9,577 | Not reported | 12 of 12 |
| 2010 | 8,806 | 55.8% | 12 of 12 |
| 2011 | 9,684 | 61.4% | 12 of 12 |
| 2012 | 8,306 | 52.5% | 12 of 12 |
| 2013 | 9,303 | Not reported | 12 of 12 |
| 2014 | 7,744 | Not reported | 12 of 12 |
| 2015 | 8,535 | 46.4% | 12 of 12 |
| 2016 | 9,712 | 52.6% | 12 of 12 |
| 2017 | 10,596 | 57.6% | 12 of 12 |
| 2018 | 10,526 | 57.2% | 12 of 12 |
| 2019 | 8,470 | 46.0% | 12 of 12 |
| 2020 | 9,812 | 53.2% | 12 of 12 |
| 2021 | 11,032 | 60.0% | 12 of 12 |
| 2022 | 6,948 | 37.8% | 12 of 12 |
| 2023 | 6,196 | 33.7% | 12 of 12 |
| 2024 | 6,296 | 34.1% | 12 of 12 |
| 2025 | 6,391 | 34.7% | 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 | 0.7 | December 2008 |
| 2 | Conventional Hydroelectric | 0.7 | July 2007 |
| 3 | Conventional Hydroelectric | 0.7 | March 2007 |
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 Lock 7 Hydro Partners LLC 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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Questions about Mother Ann Lee
How much power does Mother Ann Lee produce?
Mother Ann Lee reported 6,391 MWh (6.39 GWh) of net generation in 2025, a 34.7% capacity factor on 2.1 MW of nameplate capacity.
Where is Mother Ann Lee?
Mother Ann Lee is in Mercer County, Kentucky, at 37.8297, −84.7247. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Mother Ann Lee?
EIA-860M for August 2026 lists Lock 7 Hydro Partners LLC as the operator (EIA operator ID 54775). The operator is not always the owner.
When did Mother Ann Lee start operating?
Its first generator began operating in March 2007, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page