Boltonville Hydro Associates
Orange County, Vermont · EIA plant ID 50539 · Operator: Boltonville Hydro Associates
Nameplate1MWSummer 1 MW
Generators3in service
Net generation2GWh12 mo to Dec 2025
Capacity factor24%hydro units, summer MW
Heat rate—thermal plants only
First online1984
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 | 2.1 | 21.6% | — |
| 2002 | 3.8 | 39.3% | — |
| 2003 | 4.4 | 46.1% | — |
| 2004 | 4.4 | 45.5% | — |
| 2005 | 4.8 | 49.6% | — |
| 2006 | 6 | 61.8% | — |
| 2007 | 4.4 | 45.7% | — |
| 2008 | 5.7 | 59.5% | — |
| 2009 | 5.2 | 53.5% | — |
| 2010 | 4.8 | 50.1% | — |
| 2011 | 5.1 | 52.8% | — |
| 2012 | 3.8 | 39.0% | — |
| 2013 | 4.6 | 48.2% | — |
| 2014 | 4 | 41.3% | — |
| 2015 | 4.4 | 45.2% | — |
| 2016 | 4 | 41.2% | — |
| 2017 | 4.7 | 49.1% | — |
| 2018 | 3.7 | 38.1% | — |
| 2019 | 4.2 | 43.3% | — |
| 2020 | 3 | 30.5% | — |
| 2021 | 2.2 | 22.6% | — |
| 2022 | 2 | 20.7% | — |
| 2023 | 3.4 | 35.3% | — |
| 2024 | 3.3 | 34.0% | — |
| 2025 | 2.3 | 24.3% | — |
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 | 0.5 | 0.5 | Jul 1984 | Operating | — | coming soon |
| 2 | Conventional Hydroelectric | HY | 0.3 | 0.3 | Jul 1984 | Operating | — | coming soon |
| 3 | Conventional Hydroelectric | HY | 0.3 | 0.3 | Dec 1989 | Operating (Out of service) | — | coming soon |
Owner / operator
Operator: Boltonville Hydro Associates. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Boltonville Hydro Associates | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Dodge Falls Associates | 5 MW | 5.3 km |
| Ryegate Power Station | 22 MW | 5.8 km |
| Mcindoes | 10 MW | 10.5 km |
| East Barnet | 2 MW | 18 km |
| Comerford | 168 MW | 18.9 km |
| Smith (VT) | 2 MW | 20 km |