Pumpkin Hill
Hydro power plant in Penobscot County, Maine. 1 MW of nameplate capacity across 1 generator, operated by KEI (Maine) Power Management (II) LLC.
Also known as Pumpkin Hill Hydro · EIA plant 50699
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 1987First generator online
- Operator
- KEI (Maine) Power Management (II) LLCEIA operator ID 56837
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Penobscot County, ME45.1868, −68.4649
- EIA plant ID
- 50699EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pumpkin Hill produces
Free · EIA-923Net generation, 2025
2.88 GWh
2,883 MWh, final
Capacity factor, 2025
32.9%
2024: 36.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
2.9–5.7
GWh a year. Low 2025, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 1,489 | Not reported | 12 of 12 |
| 2002 | 3,238 | Not reported | 12 of 12 |
| 2003 | 4,853 | Not reported | 12 of 12 |
| 2004 | 3,745 | Not reported | 12 of 12 |
| 2005 | 5,378 | Not reported | 12 of 12 |
| 2006 | 5,348 | Not reported | 12 of 12 |
| 2007 | 3,796 | Not reported | 12 of 12 |
| 2008 | 5,637 | Not reported | 12 of 12 |
| 2009 | 5,115 | Not reported | 12 of 12 |
| 2010 | 4,272 | Not reported | 12 of 12 |
| 2011 | 5,309 | 60.6% | 12 of 12 |
| 2012 | 5,413 | 61.6% | 12 of 12 |
| 2013 | 5,134 | 58.6% | 12 of 12 |
| 2014 | 3,983 | 45.5% | 12 of 12 |
| 2015 | 4,204 | 48.0% | 12 of 12 |
| 2016 | 3,720 | 42.3% | 12 of 12 |
| 2017 | 3,748 | 42.8% | 12 of 12 |
| 2018 | 4,400 | 50.2% | 12 of 12 |
| 2019 | 5,654 | 64.5% | 12 of 12 |
| 2020 | 3,500 | 39.8% | 12 of 12 |
| 2021 | 3,868 | 44.2% | 12 of 12 |
| 2022 | 4,434 | 50.6% | 12 of 12 |
| 2023 | 5,486 | 62.6% | 12 of 12 |
| 2024 | 3,226 | 36.7% | 12 of 12 |
| 2025 | 2,883 | 32.9% | 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 |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 1.0 | March 1987 |
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 KEI (Maine) Power Management (II) 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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Power plants near Pumpkin Hill
More plants operated by KEI (Maine) Power Management (II) LLC
Questions about Pumpkin Hill
How much power does Pumpkin Hill produce?
Pumpkin Hill reported 2,883 MWh (2.88 GWh) of net generation in 2025, a 32.9% capacity factor on 1 MW of nameplate capacity.
Where is Pumpkin Hill?
Pumpkin Hill is in Penobscot County, Maine, at 45.1868, −68.4649. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Pumpkin Hill?
EIA-860M for August 2026 lists KEI (Maine) Power Management (II) LLC as the operator (EIA operator ID 56837). The operator is not always the owner.
When did Pumpkin Hill start operating?
Its first generator began operating in March 1987, 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