Marshfield 6
78 Power Plant Road, Marshfield, VT 5658Plant Summary Information
Marshfield 6 is ranked #33 out of 46 hydroelectric power plants in Vermont in terms of total annual net electricity generation.
Marshfield 6 is comprised of 1 generator and generated 707.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Marshfield 6 |
|---|---|
| Utility Name | Green Mountain Power Corp |
| Location | Washington County, VT |
| Initial Operation Date | January 1927 |
| Last Update | Dec 2025 |
| Annual Generation | 3.9 GWh |
| Annual Consumption | 18.1 k MMBtu |
| Ranked #8,990 out of 13,081 Power Plants Nationwide | |
| Ranked #1,136 out of 1,311 Water Power Plants Nationwide | |
| Ranked #53 out of 114 Vermont Power Plants | |
| Ranked #33 out of 46 Vermont Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Marshfield 6
Monthly Plant Fuel Consumption for Marshfield 6
Marshfield 6 Details
| Summary Information | |
|---|---|
| Plant Name | Marshfield 6 (3739) |
| Plant Address | 78 Power Plant Road, Marshfield, VT 5658 |
| Utility | Green Mountain Power Corp (7601) |
| Latitude, Longitude | 44.3606, -72.3356 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | January 1927 |
| Annual Generation | 3.9 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Marshfield Dam |
| Ash Impoundment | |
| Transmission / Distribution Owner | Green Mountain Power Corp (7601) VT |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1927
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Minimum Load | 2.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1927 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
Marshfield 6 Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1126 | Gardiner | Gardiner, ME | 4.1 GWh |
| #1127 | Carver Falls | Hampton, NY | 4.1 GWh |
| #1128 | Luray Hydro Station | Luray, VA | 4.1 GWh |
| #1129 | Flambeau Crowley Rapids Project | Park Falls, WI | 4.0 GWh |
| #1130 | Upper Barker | Auburn, ME | 4.0 GWh |
| #1131 | Texon Hydroelectric Project | Russell, MA | 3.9 GWh |
| #1132 | Causey | South Fork, UT | 3.9 GWh |
| #1133 | Cascade Dam (MI) | Grand Rapids, MI | 3.9 GWh |
| #1134 | Constantine | Constantine, MI | 3.9 GWh |
| #1135 | Port Leyden Hydroelectric Project | Port Leyden, NY | 3.9 GWh |
| #1137 | Theresa Plant | Theresa, NY | 3.9 GWh |
| #1138 | Ponderosa Bailey Creek | Manton, CA | 3.9 GWh |
| #1139 | Lacomb Irrigation District | Lebanon, OR | 3.8 GWh |
| #1140 | Pelzer Upper | Petzer, SC | 3.8 GWh |
| #1141 | Pelzer Lower | Williamston, SC | 3.8 GWh |
| #1142 | Barker Lower | Auburn, ME | 3.8 GWh |
| #1143 | Scotland Dam | Windham, CT | 3.8 GWh |
| #1144 | Scott Flat | Nevada City, CA | 3.8 GWh |
| #1145 | Messalonskee 3 | Oakland, ME | 3.8 GWh |
| #1146 | Newfound Hydroelectric | Bristol, NH | 3.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Marshfield 6.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Berlin 5 | Berlin, VT | 1.9 GWh | 15.2 mi |
| Billings Road | Hardwick, VT | 2.2 GWh | 11.4 mi |
| Boltonville Hydro Associates | Boltonville, VT | 2.3 GWh | 17.6 mi |
| Cadys Falls | Morrisville, VT | 2.2 GWh | 20.3 mi |
| Comerford | Monroe, NH | 296.8 GWh | 16.7 mi |
| Dodge Falls Associates | Bath, NH | 21.6 GWh | 17.3 mi |
| East Barnet | Barnet, VT | 4.7 GWh | 15 mi |
| ER Center Road Solar, LLC | Hardwick, VT | 3.0 GWh | 10.2 mi |
| ER Salvage Yard | Morrisville, VT | 2.8 GWh | 18.7 mi |
| GMP Solar - Williamstown | Williamstown, VT | 6.7 GWh | 17.8 mi |
| Golden Solar | St. Johnsbury, VT | 3.6 GWh | 18.7 mi |
| Great Falls (VT) | Lyndon, VT | 1.9 GWh | 19.2 mi |
| Lawrence Brook | Morristown, VT | 3.0 GWh | 17.9 mi |
| Mcindoes | Barnet, VT | 39.1 GWh | 15.3 mi |
| Middlesex 2 | Moretown, VT | 5.9 GWh | 17.8 mi |
| Morrisville | Morrisville, VT | 5.0 GWh | 19.1 mi |
| Ryegate Associates, LLC | East Ryegate, VT | 157.6 GWh | 17.1 mi |
| W K Sanders | Hyde Park, VT | 716.0 MWh | 20.7 mi |
| West Danville 15 | Danville, VT | 2.2 GWh | 7.9 mi |
| Wrightsville Hydro Plant | Montpelier, VT | 374.0 MWh | 12.4 mi |