Penacook Upper Falls Hydro
Hydro power plant in Merrimack County, New Hampshire. 3.4 MW of nameplate capacity across 1 generator, operated by Briar-Hydro Associates.
Also known as EIA plant 50414
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.4 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 1986First generator online
- Operator
- Briar-Hydro AssociatesEIA operator ID 24793
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- None linkedNo verified ISO node
- Location
- Merrimack County, NH43.2832, −71.6008
- EIA plant ID
- 50414EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Penacook Upper Falls Hydro produces
Free · EIA-923Net generation, 2025
11.1 GWh
11,120 MWh, final
Capacity factor, 2025
37.3%
2024: 38.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.7–18.3
GWh a year. Low 2020, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 8,747 | Not reported | 12 of 12 |
| 2002 | 11,537 | Not reported | 12 of 12 |
| 2003 | 16,148 | Not reported | 12 of 12 |
| 2004 | 14,549 | Not reported | 12 of 12 |
| 2005 | 17,734 | Not reported | 12 of 12 |
| 2006 | 20,027 | Not reported | 12 of 12 |
| 2007 | 13,108 | Not reported | 12 of 12 |
| 2008 | 19,130 | Not reported | 12 of 12 |
| 2009 | 19,802 | Not reported | 12 of 12 |
| 2010 | 13,230 | 44.4% | 12 of 12 |
| 2011 | 19,418 | 65.2% | 12 of 12 |
| 2012 | 12,634 | 42.3% | 12 of 12 |
| 2013 | 15,510 | 52.1% | 12 of 12 |
| 2014 | 17,721 | 59.5% | 12 of 12 |
| 2015 | 11,735 | 39.4% | 12 of 12 |
| 2016 | 10,420 | 34.9% | 12 of 12 |
| 2017 | 15,758 | 52.9% | 12 of 12 |
| 2018 | 18,346 | 61.6% | 12 of 12 |
| 2019 | 13,014 | 43.7% | 12 of 12 |
| 2020 | 6,711 | 22.5% | 12 of 12 |
| 2021 | 14,387 | 48.3% | 12 of 12 |
| 2022 | 11,801 | 39.6% | 12 of 12 |
| 2023 | 17,085 | 57.4% | 12 of 12 |
| 2024 | 11,605 | 38.9% | 12 of 12 |
| 2025 | 11,120 | 37.3% | 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 | 3.4 | December 1986 |
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 Briar-Hydro Associates 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 Penacook Upper Falls Hydro
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Questions about Penacook Upper Falls Hydro
How much power does Penacook Upper Falls Hydro produce?
Penacook Upper Falls Hydro reported 11,120 MWh (11.1 GWh) of net generation in 2025, a 37.3% capacity factor on 3.4 MW of nameplate capacity.
Where is Penacook Upper Falls Hydro?
Penacook Upper Falls Hydro is in Merrimack County, New Hampshire, at 43.2832, −71.6008. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Penacook Upper Falls Hydro?
EIA-860M for August 2026 lists Briar-Hydro Associates as the operator (EIA operator ID 24793). The operator is not always the owner.
When did Penacook Upper Falls Hydro start operating?
Its first generator began operating in December 1986, 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