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7.2 MW Hydro operating in Franklin, MA — ISO New England Inc.
7.2 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1926
Operating Since
Coordinates
42.7297, -72.9303
County
Franklin, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Great River Hydro, LLC | — | — |
| Owner(s) | Great River Hydro, LLC | — | — |
| Status | Operating | — | — |
The Sherman hydroelectric plant is located in Franklin County, Massachusetts. It is owned and operated by Great River Hydro, LLC. The plant has a total capacity of 7.2 MW from a single generator utilizing conventional hydroelectric technology. Sherman began operating in 1926 and is fueled by water (WAT).
In the most recent year of data, Sherman generated 26,540 MWh, achieving a capacity factor of 42.0%. The plant operates within the ISO New England Inc. balancing authority and the NPCC NERC region. Sherman is the 10th largest hydroelectric plant in Massachusetts out of 31, and ranks 769th nationally out of 1464 plants. Financial data indicates a Power Purchase Agreement (PPA) price of $60 per MWh, as reported to FERC.
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
2.7K MWh
Latest Month
26.5K MWh
Annual Generation
42.0%
Capacity Factor
Great River Hydro, LLC · Data from 2022
$60.0/MWh
PPA Price
Point of Interconnection
Nearest Substation
Sherman Substation · 115 kV
Substation Distance
< 10 km
Operator
National Grid
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
567
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all articlesISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP