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1 MW Hydro operating in Kennebec, ME
1 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1985
Operating Since
Coordinates
44.2218, -69.7857
County
Kennebec, ME
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | KEI (Maine) Power Management (III) LLC | — | — |
| Owner(s) | KEI (Maine) Power Management (III) LLC | — | — |
| Status | Operating | — | — |
The Gardiner hydroelectric plant is located in Kennebec County, Maine. The plant has a total capacity of 1 MW across one generator. It began operating in 1985 and is owned and operated by KEI (Maine) Power Management (III) LLC. The primary fuel source for the plant is water (WAT), and it utilizes conventional hydroelectric technology.
Gardiner 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 4,300 MWh of electricity, achieving a capacity factor of 48.0%. In terms of size, Gardiner ranks as the 49th largest out of 51 power plants in the state of Maine, and 1433rd nationally out of 1464 plants.
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
ISO New England Inc. (ISNE)
Grid Voltage
12.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
545 MWh
Latest Month
4.3K MWh
Annual Generation
48.0%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $2.3M
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Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.BROWN_CR12.5
Pricing Hub
.Z.MAINE
Location Type
NETWORK NODE
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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