Mousam River Solar
67 New Dam Road,, Sanford, ME 4073Plant Summary Information
Mousam River Solar is ranked #63 out of 151 solar farms in Maine in terms of total annual net electricity generation.
Mousam River Solar generated 5.8 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Mousam River Solar |
|---|---|
| Utility Name | Walden Renewables Development LLC |
| Location | York County, ME |
| Initial Operation Date | November 2025 |
| Last Update | Dec 2025 |
| Annual Generation | 6.9 GWh |
| Annual Consumption | 23.5 k MMBtu |
| Ranked #7,512 out of 13,285 Power Plants Nationwide | |
| Ranked #2,956 out of 7,198 Solar Power Plants Nationwide | |
| Ranked #138 out of 242 Maine Power Plants | |
| Ranked #63 out of 151 Maine Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Mousam River Solar
Monthly Plant Fuel Consumption for Mousam River Solar
Mousam River Solar Details
| Summary Information | |
|---|---|
| Plant Name | Mousam River Solar (69499) |
| Plant Address | 67 New Dam Road,, Sanford, ME 4073 |
| Utility | Walden Renewables Development LLC (67489) |
| Latitude, Longitude | 43.43224, -70.72726 |
| Generation Dates on File | Sep 2025 to Dec 2025 |
| Initial Operation Date | November 2025 |
| Annual Generation | 6.9 GWh |
| Fuel Types | Solar |
| 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 | 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 | Central Maine Power Co (3266) ME |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator MRS1 Details Operating November 2025
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 20 MW |
| Summer Capacity | 20 MW |
| Winter Capacity | 20 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 2025 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Bifacial | Yes |
| Azimuth Angle | 180 |
| DC Net Capacity | 28 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Mousam River Solar Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
| #2946 | Cicero Energy Storage 1 LLC | East Syracuse, NY | 6.9 GWh |
| #2947 | State Route 14A Solar | Benton, NY | 6.9 GWh |
| #2948 | McDougle-Mitchell Solar Project Hybrid C | Charlton, MA | 6.9 GWh |
| #2949 | Nash 64 Farm | Spring Hope, NC | 6.9 GWh |
| #2950 | AGA TAG Solar IV LLC | Leland, NC | 6.9 GWh |
| #2951 | Bellisario Solar 1 | Lapeer, NY | 6.9 GWh |
| #2952 | AETS Old Michigan Solar LLC | Pecos, TX | 6.9 GWh |
| #2953 | Independence East | Independence, NY | 6.9 GWh |
| #2954 | Chaffey College Rancho Cucamonga Campus | Rancho Cucamonga, CA | 6.9 GWh |
| #2955 | Bulloch County GA S4 LLC | Statesboro, GA | 6.9 GWh |
| #2957 | White Brook Renewables PV | West Greenwich, RI | 6.9 GWh |
| #2958 | Oakboro Farm | Laurinburg, NC | 6.9 GWh |
| #2959 | Solten Plainville 6000, LLC | Plainville, MA | 6.9 GWh |
| #2960 | 3232 Batavia Solar | Batavia, NY | 6.9 GWh |
| #2961 | Cawelo Water District Solar | Famoso, CA | 6.9 GWh |
| #2962 | North Kern 1 | Shafter, CA | 6.9 GWh |
| #2963 | NYS Rte 12 Community Solar | Clayton, NY | 6.9 GWh |
| #2964 | DG Crystal Spring CSG | Mattapoisett, MA | 6.8 GWh |
| #2965 | Nutting Ridge Solar, LLC | Otisfield, ME | 6.8 GWh |
| #2966 | Overlook | Westminster, MA | 6.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Mousam River Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Acton | Acton, ME | 4.7 GWh | 12.1 mi |
| Berwick Hubbard Solar 1 | Berwick, ME | 5.8 GWh | 11.7 mi |
| Bonny Eagle | Hollis, ME | 31.3 GWh | 18.6 mi |
| Cataract Hydro | Saco, ME | 23.1 GWh | 14.7 mi |
| Lebanon CSG LLC | Lebanon, ME | 6.2 GWh | 11.4 mi |
| Lebanon West Lebanon Solar 1 | Lebanon, ME | 3.5 GWh | 11.4 mi |
| MEVS Waterhouse | Scarborogh, ME | 3.1 GWh | 19.6 mi |
| Milton Hydro | Milton, NH | 4.6 GWh | 13.2 mi |
| Quarry | North Berwick, ME | 10.4 GWh | 6.5 mi |
| Rollinsford | Rollinsford, NH | 3.0 GWh | 14.3 mi |
| Salmon Falls | South Berwick, ME | 2.1 GWh | 14.8 mi |
| Sanford -NY | Sanford, ME | 8.1 GWh | 1.3 mi |
| Sanford CGA | Sanford, ME | 7.8 GWh | 0.6 mi |
| Sanford Solar | Sanford, ME | 89.4 GWh | 3.2 mi |
| Skelton | Dayton, ME | 77.2 GWh | 12.8 mi |
| Somersworth Lower Great Dam | Somersworth, NH | 498.0 MWh | 13.8 mi |
| Turnkey Landfill Gas Recovery | Rochester, NH | 38.5 GWh | 17.8 mi |
| Waterboro | East Waterboro, ME | 7.1 GWh | 11 mi |
| Wells (ME) | Wells, ME | 8.4 GWh | 8.8 mi |
| West Buxton | Buxton, ME | 20.6 GWh | 17.4 mi |