Penacook Upper Falls Hydro
Merrimack County, New Hampshire · EIA plant ID 50414 · Operator: Briar-Hydro Associates
Nameplate3MWSummer 3 MW
Generators1in service
Net generation11GWh12 mo to Dec 2025
Capacity factor37%hydro units, summer MW
Heat rate—thermal plants only
First online1986
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 8.7 | 29.4% | — |
| 2002 | 11.5 | 38.7% | — |
| 2003 | 16.1 | 54.2% | — |
| 2004 | 14.5 | 48.7% | — |
| 2005 | 17.7 | 59.5% | — |
| 2006 | 20 | 67.2% | — |
| 2007 | 13.1 | 44.0% | — |
| 2008 | 19.1 | 64.0% | — |
| 2009 | 19.8 | 66.5% | — |
| 2010 | 13.2 | 44.4% | — |
| 2011 | 19.4 | 65.2% | — |
| 2012 | 12.6 | 42.3% | — |
| 2013 | 15.5 | 52.1% | — |
| 2014 | 17.7 | 59.5% | — |
| 2015 | 11.7 | 39.4% | — |
| 2016 | 10.4 | 34.9% | — |
| 2017 | 15.8 | 52.9% | — |
| 2018 | 18.3 | 61.6% | — |
| 2019 | 13 | 43.7% | — |
| 2020 | 6.7 | 22.5% | — |
| 2021 | 14.4 | 48.3% | — |
| 2022 | 11.8 | 39.6% | — |
| 2023 | 17.1 | 57.4% | — |
| 2024 | 11.6 | 38.9% | — |
| 2025 | 11.1 | 37.3% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | HY | 3.4 | 3.4 | Dec 1986 | Operating | — | coming soon |
Owner / operator
Operator: Briar-Hydro Associates. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Briar-Hydro Associates | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Penacook Lower Falls | 5 MW | 0.6 km |
| Rolfe Canal Hydro | 4 MW | 1 km |
| Wheelabrator Concord Facility | 14 MW | 2 km |
| Garvins Falls | 12 MW | 15 km |
| EHC West Hopkinton | 1 MW | 15.8 km |
| Clement Dam Hydro LLC | 2 MW | 17.5 km |