5 MW Solar operating in Orange, VT — ISO New England Inc.
5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Coordinates
44.1361, -72.5105
County
Orange, VT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green Mountain Power Corp | Green Mountain Power | — |
| Owner(s) | GMP VT Solar LLC | GMP VT Solar LLC [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as GMP VT Solar LLC [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
GMP Solar - Williamstown is a 5 MW solar photovoltaic power plant located in Orange County, Vermont. The plant began operating in 2016 and is owned and operated by Green Mountain Power Corp. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant is interconnected to the ISO New England Inc. balancing authority, within the Northeast Power Coordinating Council (NPCC) NERC region.
In its most recent year of operation, GMP Solar - Williamstown generated 7,001 MWh of electricity, achieving a capacity factor of 15.9%. The plant is the 6th largest solar facility in Vermont out of 52, and ranks 2457th nationally among 7108 solar plants. The plant's primary fuel source is solar energy.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
12.47 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
51 MWh
Latest Month
7.0K MWh
Annual Generation
15.9%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Granite Substation · 230 kV
Substation Distance
< 10 km
Operator
Vermont Electric Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.VERMONT
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Green Mountain Power Corporation; Notice of Application Ready for Environmental Analysis and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions
Last updated 2026-03-25
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