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21.5 MW Wood Waste operating in Caledonia, VT
21.5 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
1992
Operating Since
Coordinates
44.2132, -72.0570
County
Caledonia, VT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ryegate Associates, LLC | Ryegate Associates | — |
| Owner(s) | Ryegate Associates, LLC | Capergy US | — |
| Status | Operating | operating | — |
Ryegate Associates, LLC is a 21.5 MW biomass power plant located in Caledonia County, Vermont. The plant, which began operating in 1992, is owned by Capergy US and operated by Ryegate Associates, LLC. It utilizes wood and wood waste (WDS) as its primary fuel source. The facility houses a single generator and ranks as the second-largest of three biomass plants in Vermont, and 54th out of 97 nationally.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year of reported data, Ryegate Associates generated 149,918 MWh of electricity, achieving a capacity factor of 79.4%.
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
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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.
13.6K MWh
Latest Month
149.9K MWh
Annual Generation
79.4%
Capacity Factor
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CO₂ Intensity
0 lb/MWh
NOx
1 lb/MWh
SO₂
0.382 lb/MWh
CH₄
1 lb/MWh
N₂O
0.141 lb/MWh
Capacity Factor
85.4%
Annual Net Gen
161 GWh
CO₂eq
68 lb/MWh
Subregion
NPCC New England
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $75.1M
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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.
Last updated 2026-03-26
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