Williams Hydro — Plant Summary
- EIA Plant ID
- 1510
- Capacity
- 13 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Somerset, ME
- Operating Since
- 1939
- Generators
- 2
- Operator
- Brookfield White Pine Hydro LLC
- Parent Company
- —
- Annual Generation
- 80,159 MWh
- Capacity Factor
- 70.2%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Williams Hydro
OperatingHydro
Ranked #13 of 48 Hydro plants in ME#580 of 1454 nationally
13 MW Hydro operating in Somerset, ME — ISO New England Inc.
EIAWD
13 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1939
Operating Since
Location
Coordinates
44.9587, -69.8704
County
Somerset, ME
Nearby Plants
- ME-EDFR-Phase I-EmbdenSolar5 MW · 1.3 km
- Cenergy - KigerSolar1 MW · 1.8 km
- BNRG North Anson (CSG)Solar2 MW · 12.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brookfield White Pine Hydro LLC | — | — |
| Owner(s) | Brookfield White Pine Hydro LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Williams Hydro is a 13 MW hydroelectric power plant located in Somerset County, Maine. The plant began operating in 1939 and is owned and operated by Brookfield White Pine Hydro LLC. It utilizes conventional hydroelectric technology with two generators, drawing power from water (WAT) as its primary fuel source. Williams Hydro operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year with available data, Williams Hydro generated 80,159 MWh of electricity, achieving a capacity factor of 70.2%. The plant is ranked as the 16th largest out of 51 power plants in the state of Maine, and 586th out of 1464 nationally. Recent news coverage related to the plant includes topics such as industry trends, regulatory matters, potential hazards, and grid operations.
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
7.0K MWh
Latest Month
80.2K MWh
Annual Generation
70.2%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Williams Hydro Substation · 115 kV
Substation Distance
0.071 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.WILLIAM 6.9 WILL
Pricing Hub
.Z.MAINE
Node Source
Curated node match
News & Articles (10)Beta
Hazards·flooding
St. Francis Dam disaster
The St. Francis Dam disaster occurred northwest of Los Angeles, California, on March 12, 1928. It remains one of the worst civil engineering...
Encyclopedia Britannica·1 weeks ago
Industry·corporate
William Kamkwamba | Biography, Windmills, Book, Movie, Family, & Facts
William Kamkwamba (born August 5, 1987, Dowa, Malawi) is a Malawian inventor and author who worked on projects to improve the lives of his family and the...
William Kamkwamba (other)
Encyclopedia Britannica·2 weeks ago
General
BOB WAKEHAM: What happened to Danny Williams' promise to 'shut up and go away'?
Former premier Danny Williams once said former premiers should keep quiet, but he isn't following that when it comes to Churchill Falls.
PNI Atlantic News·4 months ago
Industry·technology
TerraPower Natrium Reactor on the Grid by 2031
The goal posts are in sight for TerraPower which is developing a 345 MW sodium cooled advanced reactor at the site of a formere coal-fired...
TerraPower (developer)
Neutron Bytes·4 months ago
Last updated 2026-03-14
View all 10 articles