Harris Hydro — Plant Summary
- EIA Plant ID
- 1492
- Capacity
- 76.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Somerset, ME
- Operating Since
- 1954
- Generators
- 4
- Operator
- Brookfield White Pine Hydro LLC
- Parent Company
- —
- Annual Generation
- 170,374 MWh
- Capacity Factor
- 25.4%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Harris Hydro
OperatingHydro
Ranked #2 of 48 Hydro plants in ME#229 of 1454 nationally
76.4 MW Hydro operating in Somerset, ME — ISO New England Inc.
EIAGEMWD
76.4 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1954
Operating Since
Location
Coordinates
45.4592, -69.8658
County
Somerset, ME
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brookfield White Pine Hydro LLC | Brookfield Renewable Partners | — |
| Owner(s) | Brookfield White Pine Hydro LLC | Brookfield Renewable Partners LP [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Brookfield Renewable Partners LP [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Harris Hydro is a 76.4 MW hydroelectric power plant located in Somerset County, Maine. The plant began operating in 1954 and utilizes conventional hydroelectric technology. It is owned and operated by Brookfield White Pine Hydro LLC. The facility consists of 4 generators and uses water (WAT) as its primary fuel source. Harris 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, Harris Hydro generated 170,374 MWh of electricity, achieving a capacity factor of 25.4%. The plant is ranked as the 2nd largest out of 51 hydroelectric facilities in the state of Maine, and ranks 231st out of 1464 nationally. Recent news coverage related to the plant includes topics such as grid operations, industry trends, potential hazards, and regulatory matters.
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
7.4K MWh
Latest Month
170.4K MWh
Annual Generation
25.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Harris Hydro Substation · 115 kV
Substation Distance
0.079 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.HARRIS 13.2HAR1
Pricing Hub
.Z.MAINE
Node Source
Curated node match
News & Articles (10)Beta
General
Houston winter storm: Frigid temperatures settle in, Metro to resume service
Houston residents woke up to either ice or rain Sunday morning, as freezing temperatures start to settle in from Conroe to the coast.
Houston Chronicle·2 months ago
Hazards·ice storm
Houston winter storm: Frigid temperatures settle in, Metro to resume service
Houston residents woke up to either ice or rain Sunday morning, as freezing temperatures start to settle in from Conroe to the coast.
Houston (other)Conroe (other)
Houston Chronicle·2 months ago
Hazards·extreme cold
To drip or not to drip faucets? Here’s what Houston, Katy, Harris County residents should do during winter weather
It's not quite the Shakespeare line, but it's the question on many Houston-area residents' minds as the freeze heads toward our area.
Houston (other)Katy (other)
Click2Houston·2 months ago
Industry·technology
Emerson Addresses Power Industry’s AI-Driven Demand Surge
Emerson's Seth Harris explains how AI-driven demand is reshaping power generation, from retrofits to Ovation 4.0 innovations and workforce...
Emerson (other)Seth Harris (executive)
POWER Magazine·3 months ago
Last updated 2026-03-26
View all 10 articles