Boatlock
Hydro power plant in Hampden County, Massachusetts. 3.1 MW of nameplate capacity across 3 generators, operated by City of Holyoke Gas and Elec Dept - (MA).
Also known as EIA plant 1603
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- January 1921First generator online
- Operator
- City of Holyoke Gas and Elec Dept - (MA)EIA operator ID 8776
- Grid
- ISO-NEBalancing authority ISNE
- Price nodes
- 1 ISONE nodeResource nodes with prices
- Location
- Hampden County, MA42.2086, −72.6014
- EIA plant ID
- 1603EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Boatlock produces
Free · EIA-923Net generation, 2025
11.6 GWh
11,596 MWh, final
Capacity factor, 2025
42.7%
2024: 69.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
10.6–21.3
GWh a year. Low 2022, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 14,641 | Not reported | 12 of 12 |
| 2001 | 9,663 | Not reported | 12 of 12 |
| 2002 | 10,607 | Not reported | 12 of 12 |
| 2003 | 10,550 | Not reported | 12 of 12 |
| 2004 | 10,478 | Not reported | 12 of 12 |
| 2005 | 11,697 | Not reported | 12 of 12 |
| 2006 | 24,078 | Not reported | 12 of 12 |
| 2007 | 7,870 | Not reported | 12 of 12 |
| 2008 | 14,907 | Not reported | 12 of 12 |
| 2009 | 14,902 | Not reported | 12 of 12 |
| 2010 | 9,230 | Not reported | 12 of 12 |
| 2011 | 15,633 | 57.6% | 12 of 12 |
| 2012 | 13,205 | 48.5% | 12 of 12 |
| 2013 | 14,061 | 51.8% | 12 of 12 |
| 2014 | 12,059 | 44.4% | 12 of 12 |
| 2015 | 14,939 | Not reported | 12 of 12 |
| 2016 | 11,197 | 41.1% | 12 of 12 |
| 2017 | 15,283 | 56.3% | 12 of 12 |
| 2018 | 16,455 | 60.6% | 12 of 12 |
| 2019 | 15,383 | 56.6% | 12 of 12 |
| 2020 | 14,517 | 53.3% | 12 of 12 |
| 2021 | 13,079 | 48.2% | 12 of 12 |
| 2022 | 10,593 | 39.0% | 12 of 12 |
| 2023 | 21,257 | 78.3% | 12 of 12 |
| 2024 | 18,867 | 69.3% | 12 of 12 |
| 2025 | 11,596 | 42.7% | 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 account · ISONEEmissions
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 | January 1921 |
| 2 | Conventional Hydroelectric | 1.2 | January 1924 |
| 3 | Conventional Hydroelectric | 1.2 | January 1924 |
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 City of Holyoke Gas and Elec Dept - (MA) 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 Boatlock
More plants operated by City of Holyoke Gas and Elec Dept - (MA)
Questions about Boatlock
How much power does Boatlock produce?
Boatlock reported 11,596 MWh (11.6 GWh) of net generation in 2025, a 42.7% capacity factor on 3.1 MW of nameplate capacity.
Where is Boatlock?
Boatlock is in Hampden County, Massachusetts, at 42.2086, −72.6014. It is in the ISO New England Inc. balancing area (ISNE).
Who operates Boatlock?
EIA-860M for August 2026 lists City of Holyoke Gas and Elec Dept - (MA) as the operator (EIA operator ID 8776). The operator is not always the owner.
When did Boatlock start operating?
Its first generator began operating in January 1921, according to EIA-860M.
Does InfraMap have power prices for Boatlock?
Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Boatlock, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page