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33.4 MW Hydro operating in Hampden, MA
33.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1952
Operating Since
Coordinates
42.2119, -72.6036
County
Hampden, MA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Holyoke Gas and Elec Dept - (MA) | — | — |
| Owner(s) | City of Holyoke Gas and Electric Dept. | — | — |
| Status | Operating | — | — |
Hadley Falls is a 33.4 MW hydroelectric power plant located in Hampden County, Massachusetts. The plant, which began operating in 1952, is owned and operated by the City of Holyoke Gas and Electric Department. It consists of two generators utilizing conventional hydroelectric technology and its primary fuel source is water (WAT). Hadley Falls is the fourth-largest hydroelectric plant in Massachusetts out of 31 such facilities, and ranks 387th nationally out of 1464.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year for which data is available, Hadley Falls generated 151,142 MWh of electricity, achieving a capacity factor of 51.6%.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
34.5 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
10.5K MWh
Latest Month
151.1K MWh
Annual Generation
51.6%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $76.6M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.N_CANAL 13.8
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.