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25 MW Hydro operating in St Lawrence, NY — New York Independent System Operator
25 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1956
Operating Since
Coordinates
44.5180, -74.8224
County
St Lawrence, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Erie Boulevard Hydropower LP | — | — |
| Owner(s) | Erie Boulevard Hydropower LP | — | — |
| Status | Operating | — | — |
Rainbow Falls Hydro is a 25 MW conventional hydroelectric power plant located in St. Lawrence County, New York. The plant began operating in 1956 and has a single generator. It is owned and operated by Erie Boulevard Hydropower LP. The primary fuel source for the plant is water (WAT).
In the most recent year of reported data, Rainbow Falls Hydro generated 108,684 MWh of electricity, achieving a capacity factor of 49.5%. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Rainbow Falls Hydro is ranked as the 16th largest hydroelectric plant out of 165 in New York State, and 446th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
8.5K MWh
Latest Month
108.7K MWh
Annual Generation
49.5%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $57.4M
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 2026-03-14
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ask pi about Rainbow Falls HydroNew York Independent System Operator (NYIS)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP