Ottauquechee Hydro
46 Mill St., N. Hartland, VT 5052Plant Summary Information
Ottauquechee Hydro is ranked #34 out of 46 hydroelectric power plants in Vermont in terms of total annual net electricity generation.
Ottauquechee Hydro is comprised of 2 generators and generated 666.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Ottauquechee Hydro |
|---|---|
| Utility Name | Green Mountain Power Corp |
| Location | Windsor County, VT |
| Initial Operation Date | April 1983 |
| Last Update | Dec 2025 |
| Annual Generation | 2.8 GWh |
| Annual Consumption | 9.4 k MMBtu |
| Ranked #10,086 out of 13,081 Power Plants Nationwide | |
| Ranked #1,200 out of 1,311 Water Power Plants Nationwide | |
| Ranked #71 out of 114 Vermont Power Plants | |
| Ranked #34 out of 46 Vermont Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
Ottauquechee Hydro Company, Inc. (2013 to 2017) Green Mountain Power Corp (2018 to 2025) |
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Monthly Net Generation for Ottauquechee Hydro
Monthly Plant Fuel Consumption for Ottauquechee Hydro
Ottauquechee Hydro Details
| Summary Information | |
|---|---|
| Plant Name | Ottauquechee Hydro (50126) |
| Plant Address | 46 Mill St., N. Hartland, VT 5052 |
| Utility | Green Mountain Power Corp (7601) |
| Latitude, Longitude | 43.5933, -72.3506 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | April 1983 |
| Annual Generation | 2.8 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 83-21-000 |
| 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 | Ottauquechee River |
| Ash Impoundment | |
| Transmission / Distribution Owner | Vermont Electric Cooperative, Inc (19791) VT |
| Grid Voltage | 12.40 kV |
| Energy Storage | No |
Generator 2 Details Operating April 1983
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 0.6 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 0.6 MW |
| Winter Capacity | 0.6 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 1983 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
Generator 1 Details Operating July 1987
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.2 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 1.1 MW |
| Winter Capacity | 1.1 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1987 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Time From Cold Shutdown To Full Load | 10M |
Ottauquechee Hydro Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Water.
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|---|---|---|---|
| #1190 | Rollinsford | Rollinsford, NH | 3.0 GWh |
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| #1193 | Tallassee Hydro Project | Clarke, GA | 2.9 GWh |
| #1194 | Pumpkin Hill | Lowell, ME | 2.9 GWh |
| #1195 | Wallowa Falls | Joseph, OR | 2.9 GWh |
| #1196 | Ottumwa City of | Ottumwa, IA | 2.9 GWh |
| #1197 | Redwood Falls | Redwood Falls, MN | 3.4 GWh |
| #1198 | Cornell Hydro | Ithaca, NY | 2.8 GWh |
| #1199 | East Highline | Holtville, CA | 2.8 GWh |
| #1201 | Alverno Hydro Plant | Cheboygan, MI | 2.8 GWh |
| #1202 | Thief River Falls | Thief River Falls, MN | 2.8 GWh |
| #1203 | White River (WI) | Ashland, WI | 2.7 GWh |
| #1204 | Victory Mills | Victory Mills, NY | 2.7 GWh |
| #1205 | Bear Valley | Escondido, CA | 2.7 GWh |
| #1206 | Franklin (NC) | Franklin, NC | 2.7 GWh |
| #1207 | Queens Creek | Topton, NC | 2.7 GWh |
| #1208 | Pittsfield Hydro | Burnham, ME | 2.7 GWh |
| #1209 | Three Forks Water Power Project | Zenia, CA | 2.6 GWh |
| #1210 | Baker Creek Hydroelectric | Bridgeville, CA | 2.6 GWh |
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