Wyman Hydro — Plant Summary
- EIA Plant ID
- 1511
- Capacity
- 72 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Somerset, ME
- Operating Since
- 1930
- Generators
- 3
- Operator
- Brookfield White Pine Hydro LLC
- Parent Company
- —
- Annual Generation
- 337,101 MWh
- Capacity Factor
- 52.6%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Wyman Hydro
OperatingHydro
Ranked #3 of 48 Hydro plants in ME#245 of 1454 nationally
72 MW Hydro operating in Somerset, ME — ISO New England Inc.
EIAGEMWD
72 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1930
Operating Since
Location
Coordinates
45.0703, -69.9064
County
Somerset, ME
Nearby Plants
- MoscowWind58.8 MW · 9.0 km
- Cenergy - KigerSolar1 MW · 11.9 km
- Williams HydroHydro13 MW · 12.7 km
Ownership & Operator
| 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 | — |
Ownership Chain
GEM identifies the owner as Brookfield White Pine Hydro LLC
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
25.2K MWh
Latest Month
337.1K MWh
Annual Generation
52.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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
Node Source
Curated node match
News & Articles (10)Beta
General
Maine’s energy policy looks to be going up in smoke | Tux Turkel
No one could foresee how one man would upend the offshore wind industry. Now what? It's hard not to feel pessimistic.
Centralmaine.com·3 months ago
General
Maine’s energy policy looks to be going up in smoke | Tux Turkel
No one could foresee how one man would upend the offshore wind industry. Now what? It's hard not to feel pessimistic.
Centralmaine.com·3 months ago
General
Maine’s energy policy looks to be going up in smoke | Tux Turkel
No one could foresee how one man would upend the offshore wind industry. Now what? It's hard not to feel pessimistic.
Centralmaine.com·3 months ago
General
Maine’s energy policy looks to be going up in smoke | Tux Turkel
No one could foresee how one man would upend the offshore wind industry. Now what? It's hard not to feel pessimistic.
Centralmaine.com·3 months ago
Last updated 2026-03-26
View all 10 articles