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3 MW Hydro operating in Addison, VT
3 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1951
Operating Since
Coordinates
44.0665, -73.2159
County
Addison, VT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green Mountain Power Corp | Green Mountain Power | — |
| Owner(s) | Green Mountain Power Corp | small shareholder(s) | — |
| Status | Operating | — | — |
The Weybridge hydroelectric plant is located in Addison County, Vermont. The plant has a total capacity of 3 MW from a single generator utilizing conventional hydroelectric technology. It began operating in 1951 and is operated by Green Mountain Power Corp, though ownership is attributed to small shareholder(s). Weybridge is connected to the ISO New England Inc. balancing authority and is within the NPCC NERC region.
In the most recent year with available data, the plant generated 14,079 MWh, achieving a capacity factor of 53.2%. According to available data, the installed cost was $1,170.32 per kW. Weybridge ranks as the 24th largest power plant in Vermont out of 46, and 1067th nationally out of 1464 plants. The plant's primary fuel source is water ("WAT").
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
46.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
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.
1.2K MWh
Latest Month
14.1K MWh
Annual Generation
53.2%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Hydroelectric · Green Mountain Power Corp · Data from 2015–2024
$1,463/kW
Installed Cost
$7889.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.VERMONT
Node Source
OSM spatial 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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