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21 MW Hydro operating in St Lawrence, NY
21 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1954
Operating Since
Coordinates
44.5133, -74.8826
County
St Lawrence, NY
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Erie Boulevard Hydropower LP | — | — |
| Owner(s) | Erie Boulevard Hydropower LP | — | — |
| Status | Operating | — | — |
The South Colton hydroelectric plant is located in St. Lawrence County, New York. The plant has a total capacity of 21 MW and began operating in 1954. It utilizes a single generator and conventional hydroelectric technology, with water (WAT) listed as its primary fuel source. Erie Boulevard Hydropower LP is the plant's owner and operator.
In the most recent year of reported data, South Colton generated 89,565 MWh of electricity, achieving a capacity factor of 48.5%. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. South Colton is ranked as the 21st largest power plant out of 165 in New York State, and 479th out of 1464 nationally. There has been one recent news article related to the plant, categorized as a hazard.
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
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
6.7K MWh
Latest Month
89.6K MWh
Annual Generation
48.5%
Capacity Factor
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$2,294/kW
Est. Construction Cost
Total estimated cost: $48.2M
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Request a demo →Point of Interconnection
Nearest Substation
UPPER RAQUET___HYD
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
24056
Pricing Hub
NYISO Zone E
Node Source
EIA-860 direct report
Last updated 2026-03-26
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