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72 MW Hydro operating in Somerset, ME — ISO New England Inc.
72 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1930
Operating Since
Coordinates
45.0703, -69.9064
County
Somerset, ME
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brookfield White Pine Hydro LLC | Brookfield White Pine Hydro | — |
| Owner(s) | Brookfield White Pine Hydro LLC | Brookfield White Pine Hydro LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as Brookfield White Pine Hydro LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Wyman Hydro is a 72 MW hydroelectric power plant located in Somerset County, Maine. The plant began operating in 1930 and utilizes conventional hydroelectric technology. It consists of three generators and is owned and operated by Brookfield White Pine Hydro LLC. The plant's primary fuel source is water (WAT).
Wyman Hydro operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year of reported data, the plant generated 337,101 MWh of electricity, achieving a capacity factor of 52.6%. Wyman Hydro is ranked as the 3rd largest out of 51 power plants in the state of Maine, and 249th out of 1464 plants nationally.
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
25.2K MWh
Latest Month
337.1K MWh
Annual Generation
52.6%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $165.2M
Point of Interconnection
Nearest Substation
Wyman Hydro Substation · 115 kV
Substation Distance
0.308 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.WYMAN_HY13.8WYM1
Pricing Hub
.Z.MAINE
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Wyman HydroISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP