Hydro Kennebec Project — Plant Summary
- EIA Plant ID
- 54148
- Capacity
- 15.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Kennebec, ME
- Operating Since
- 1989
- Generators
- 2
- Operator
- Hydro Kennebec LLC
- Parent Company
- —
- Annual Generation
- 27,042 MWh
- Capacity Factor
- 20.0%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Hydro Kennebec Project
OperatingHydro
Ranked #11 of 48 Hydro plants in ME#534 of 1454 nationally
15.4 MW Hydro operating in Kennebec, ME — ISO New England Inc.
EIAWD
15.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1989
Operating Since
Location
Coordinates
44.5630, -69.6192
County
Kennebec, ME
Nearby Plants
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- Barefoot SolarSolar4.3 MW · 3.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hydro Kennebec LLC | — | — |
| Owner(s) | Hydro Kennebec LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Hydro Kennebec Project is a hydroelectric power plant located in Kennebec County, Maine. The plant has a total capacity of 15.4 MW derived from two generators utilizing conventional hydroelectric technology. It began operating in 1989 and is owned and operated by Hydro Kennebec LLC. The plant uses water (WAT) as its primary fuel source.
In the most recent year with available data, the Hydro Kennebec Project generated 27,042 MWh of electricity, resulting in a capacity factor of 20.0%. The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. It is ranked as the 13th largest of 51 hydroelectric plants in the state of Maine, and 544th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
4.4K MWh
Latest Month
27.0K MWh
Annual Generation
20.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ISO-NE
LMP Node
LD.WINSLOW 34.5
Pricing Hub
.Z.MAINE
Node Source
Curated node match
News & Articles (10)Beta
Deals·m and a
Historic sale of dams clears the way for salmon to return to the Kennebec River
The Nature Conservancy will buy the last four dams blocking salmon from their spawning grounds in the Sandy River.
The Nature Conservancy (buyer)
The Maine Monitor·6 months ago
Deals·m and a
The Nature Conservancy and Brookfield Reach Deal for Four Lower Kennebec River Dams
BRUNSWICK, MAINE – On September 15, 2025, The Nature Conservancy (TNC) and Brookfield signed a purchase and sale agreement for the four dams...
The Nature Conservancy (buyer)Brookfield (seller)
The Nature Conservancy·6 months ago
Deals·m and a
Historic deal reached to purchase Kennebec River dams
The Nature Conservancy has reached a deal to buy four hydropower dams on the Kennebec River with the intent to remove the structures and...
The Nature Conservancy (buyer)
Maine Public·6 months ago
Grid·interconnection
Progressives Say They Want Clean Energy. They Held Up This Hydro Project for Years.
A plan to build a 192-mile transmission line south from Canada, through New Hampshire and into Massachusetts.
Politico·1 years ago
Last updated 2026-03-14
View all 10 articles