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8.1 MW Hydro operating in Jefferson, NY
8.1 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1924
Operating Since
Coordinates
43.9758, -75.8747
County
Jefferson, NY
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Watertown - (NY) | — | — |
| Owner(s) | City of Watertown - (NY) | — | — |
| Status | Operating | — | — |
The Watertown hydroelectric plant is located in Jefferson County, New York. The plant has a total capacity of 8.1 MW across three generators, and it began operating in 1924. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. The owner and operator is the City of Watertown (NY).
Watertown operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In terms of size, the plant is ranked 50th out of 165 power plants in New York state, and 725th out of 1464 nationally. The latest annual generation data indicates an output of 21,648 MWh, resulting in a capacity factor of 30.4%.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
2.3 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
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.
0 MWh
Latest Month
21.6K MWh
Annual Generation
30.4%
Capacity Factor
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $18.6M
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Point of Interconnection
Nearest Substation
BLACK RIVER___HYD
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
—
Pricing Hub
MHK VL
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
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.
Last updated 2026-04-09
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