Watertown Solar One, LLC
669 Platt Road, Watertown, CT 6795Plant Summary Information
Watertown Solar One, LLC is ranked #40 out of 86 solar farms in Connecticut in terms of total annual net electricity generation.
Watertown Solar One, LLC generated 576.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Watertown Solar One, LLC |
|---|---|
| Utility Name | DG Connecticut III, LLC |
| Location | Naugatuck Valley Planning Region, CT |
| Initial Operation Date | June 2021 |
| Last Update | Dec 2025 |
| Annual Generation | 2.9 GWh |
| Annual Consumption | 10.6 k MMBtu |
| Ranked #9,926 out of 13,094 Power Plants Nationwide | |
| Ranked #4,930 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #108 out of 168 Connecticut Power Plants | |
| Ranked #40 out of 86 Connecticut Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Watertown Solar One, LLC
Monthly Plant Fuel Consumption for Watertown Solar One, LLC
Watertown Solar One, LLC Details
| Summary Information | |
|---|---|
| Plant Name | Watertown Solar One, LLC (64979) |
| Plant Address | 669 Platt Road, Watertown, CT 6795 |
| Utility | DG Connecticut III, LLC (64426) |
| Latitude, Longitude | 41.61968, -73.14844 |
| Generation Dates on File | Jun 2021 to Dec 2025 |
| Initial Operation Date | June 2021 |
| Annual Generation | 2.9 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | QF21-581 |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | QF21-581 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Niagara Mohawk Power Corp. (13573) NY |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
Generator WTRS1 Details Operating June 2021
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 2 MW |
| Summer Capacity | 2 MW |
| Winter Capacity | 2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 2021 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 20 |
| DC Net Capacity | 2.8 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Watertown Solar One, LLC Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Nearby Power Plants
Below are closest 20 power plants surrounding Watertown Solar One, LLC.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Amazon BDL3 Solar Project | New Haven, CT | 1.7 GWh | 19.4 mi |
| Benz Solar 1 | Ansonia, CT | 1.3 GWh | 19.7 mi |
| Benz Solar 2 | Ansonia, CT | 1.3 GWh | 19.6 mi |
| Bristol Solar One, LLC | Bristol, CT | 4.9 GWh | 10.1 mi |
| Bulls Bridge | New Milford, CT | 26.9 GWh | 17.9 mi |
| Burlington Solar 1 | Burlington, CT | 5.8 GWh | 13.4 mi |
| Covanta Bristol Energy | Bristol, CT | 108.9 GWh | 12.2 mi |
| CPV Towantic Energy Center | Oxford, CT | 5.6 TWh | 9.7 mi |
| CTGB Maloney and Webster | Cheshire, CT | 3.2 GWh | 14.7 mi |
| Franklin Drive | Torrington, CT | 294.0 MWh | 12.5 mi |
| Kimberly Clark-Unit 1,2,3 | New Milford, CT | 233.3 GWh | 14.3 mi |
| New Milford Gas Recovery | New Milford, CT | 4.0 GWh | 15.1 mi |
| Platt Hill | Winchester, CT | 3.5 GWh | 19.5 mi |
| Shepaug | Southbury, CT | 93.3 GWh | 14.1 mi |
| SR Litchfield | Litchfield, CT | 26.4 GWh | 12.1 mi |
| Stevenson | Monroe, CT | 70.8 GWh | 16.4 mi |
| Torrington | Torrington, CT | 277.0 MWh | 10.9 mi |
| Torrington Solar One, LLC | Torrington, CT | 3.1 GWh | 15 mi |
| UI RCP Woodbridge FC | Woodbridge, CT | 16.7 GWh | 19.5 mi |
| Waterbury Generation | Waterbury, CT | 55.0 GWh | 7.6 mi |