Watertown Solar One, LLC
669 Platt Road, Watertown, CT 6795Plant Summary Information
Watertown Solar One, LLC is ranked #41 out of 89 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 #10,033 out of 13,301 Power Plants Nationwide | |
| Ranked #5,022 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #109 out of 171 Connecticut Power Plants | |
| Ranked #41 out of 89 Connecticut Solar Power Plants | |
| Fuel Types | Solar |
Map of Watertown Solar One, LLC
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Watertown Solar One, LLC.
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 |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #5012 | Kearsarge Acushnet | Acushnet, MA | 3.0 GWh |
| #5013 | BWC Swan Pond River CSG | Rehoboth, MA | 3.0 GWh |
| #5014 | OER Checkerspot | Tracy's Landing, MD | 3.0 GWh |
| #5015 | ER Center Road Solar, LLC | Hardwick, VT | 3.0 GWh |
| #5016 | Alta Sea | San Pedro, CA | 3.0 GWh |
| #5017 | Scituate PV | Scituate, MA | 2.9 GWh |
| #5018 | USAA Black Bear Energy | Cranbury, NJ | 2.9 GWh |
| #5019 | Briscoe Solar 2 | Lostant, IL | 2.9 GWh |
| #5020 | Wappinger 9D Solar | Wappinger, NY | 2.9 GWh |
| #5021 | 2662 Freeport Solar 1 CSG | Freeport, IL | 2.9 GWh |
| #5023 | SCS Penfield One 010750 Penfield, LLC | Penfield, NY | 2.9 GWh |
| #5024 | Cashton Solar | Cashton, WI | 2.9 GWh |
| #5025 | Gold Mine | Bradley, SC | 2.9 GWh |
| #5026 | River Bend Solar, LLC (MT) | Reed Point, MT | 2.9 GWh |
| #5027 | DG Tufts Knoll LLC CSG | North Grafton, MA | 2.9 GWh |
| #5028 | Freeman Avenue | Andersonville, GA | 2.9 GWh |
| #5029 | Galesburg Solar Array | Oquawka, IL | 2.9 GWh |
| #5030 | VS RXI Mason-Chatsworth, LLC | Chatsworth, CA | 2.9 GWh |
| #5031 | Harris (NY) | Liberty, NY | 2.9 GWh |
| #5032 | Chambers 4 - San Bernardino SNA7 | San Bernardino, CA | 2.9 GWh |
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 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 | 107.5 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 |
| CTGB Manson Youth | Cheshire, CT | 3.0 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 |