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10 MW Batteries (5 MW) + Solar Photovoltaic (5 MW) operating in Jefferson, NY — New York Independent System Operator
10 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2019
Operating Since
Coordinates
44.2545, -76.0131
County
Jefferson, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | OYA Great Lakes Seaway LLC | OYA Great Lakes Seaway | — |
| Owner(s) | OYA Great Lakes Seaway LLC | — | — |
| Status | Operating | operating | — |
Great Lakes Seaway Community Solar is a 10 MW hybrid power plant located in Jefferson County, New York. The facility, which began operating in 2019, is owned and operated by OYA Great Lakes Seaway LLC. The plant utilizes both solar photovoltaic technology and batteries, with a 15 MWh battery energy storage system (BESS) providing 3 hours of duration. The BESS uses lithium-ion battery chemistry. The solar component uses single-axis tracking.
The plant's primary fuel source is listed as MWH. In its latest year of operation, Great Lakes Seaway Community Solar generated 7,855 MWh of electricity, resulting in a capacity factor of 8.9%. The facility operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Great Lakes Seaway Community Solar is ranked 19th out of 65 similar plants in New York state and 787th out of 1205 nationally. The plant consists of 2 generators.
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
13.2 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
156 MWh
Net Discharge
7.9K MWh
Annual Net Energy
8.9%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Data from 2020–2024
$30.6/MWh
Energy Value
$10.6/MWh
Capacity Value
Market Position
ISO/RTO Market
NYISO
LMP Node
—
Pricing Hub
NYISO Zone D
Node Source
Plant coordinates only
Last updated 2026-03-26
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