3.2 MW Hydro operating in Washington, VT — ISO New England Inc.
3.2 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1928
Operating Since
Coordinates
44.2924, -72.6824
County
Washington, VT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green Mountain Power Corp | Green Mountain Power | — |
| Owner(s) | Green Mountain Power Corp | small shareholder(s) | — |
| Status | Operating | — | — |
Middlesex 2 is a 3.2 MW hydroelectric power plant located in Washington County, Vermont. The plant began operating in 1928 and consists of two generators utilizing conventional hydroelectric technology. The primary fuel source is water (WAT). Green Mountain Power Corp is the listed operator, while ownership is attributed to small shareholder(s).
In the most recent year with available data, Middlesex 2 generated 9,834 MWh of electricity, resulting in a capacity factor of 34.9%. The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. According to available data, the installed cost was $1,817.73 per kW, based on FERC filings. Middlesex 2 ranks as the 23rd largest power plant in Vermont out of 46, and 1053rd nationally out of 1464.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
34.5 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
591 MWh
Latest Month
9.8K MWh
Annual Generation
34.9%
Capacity Factor
$4,116/kW
Installed Cost
Green Mountain Power Corp
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Middlesex Dam 2 Substation · 35 kV
Substation Distance
0.441 km
Operator
Green Mountain Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.MIDDLESX34.5BOLT
Pricing Hub
.Z.VERMONT
Node Source
Curated node match
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
View all articles