☀ Solar Power Plants in Maine
Maine operates 159 solar power plants totaling 833 MW of nameplate capacity. Annual generation: 522.7k MWh.
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.
Plants159operating
Capacity832 MWnameplate
Generation522.7k MWhannual
All Maine solar plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Three Corners Solar | Unity | Waldo County | 110 MW | Three Corners Solar, Llc |
| Farmington Solar | Farmington | Franklin County | 77 MW | Farmington Solar, Llc |
| Sanford Solar | Sanford | York County | 49 MW | Sanford Airport Solar, Llc |
| Milo Pv - Bd Solar 1 Llc | Milo | Piscataquis County | 20 MW | Bd Solar 1 Llc |
| Walden Solar Maine V | Leeds | Androscoggin County | 20 MW | Walden Solar Maine V Llc |
| Pittsfield Solar Llc | Pittsfield | Somerset County | 10 MW | Pittsfiled Solar Llc |
| Oxford Pv - Bd Solar Oxford Llc | Oxford | Oxford County | 9 MW | Bd Solar Oxford Llc |
| Augusta Pv - Bd Solar Augusta Llc | Augusta | Kennebec County | 7 MW | Bd Solar Augusta Llc |
| Bd Solar Hancock Llc | Augusta | Hancock County | 7 MW | Bd Solar Hancock Llc |
| Winslow Pv - Bd Solar 2 Llc | Winslow | Kennebec County | 7 MW | Bd Solar 2 Llc |
| Bd Solar Ellsworth Llc | Augusta | Hancock County | 7 MW | Bd Solar Hancock North Llc |
| Fairfield Pv - Bd Solar Fairfield Llc | Fairfield | Somerset County | 5 MW | Bd Solar Fairfield Llc |
| Palmyra Pv - Bd Solar Palmyra Llc | Palmyra | Somerset County | 5 MW | Bd Solar Palmyra Llc |
| River Road | Norridgewock | Somerset County | 5 MW | Norridgewock River Road Solar, Llc |
| Gorham Solar 1 (Csg) | Gorham | Cumberland County | 5 MW | Cleancapital Holdings |
| Unity Solar | Unity | Waldo County | 5 MW | Madison Energy Holdings Llc |
| Baldwin (Me) | West Baldwin | Cumberland County | 5 MW | Maine Dg Solar Baldwin, Llc |
| Monmouth | Monmouth | Kennebec County | 5 MW | Maine Dg Solar Monmouth, Llc |
| Dynamic Corinth (Csg) | Corinth | Penobscot County | 5 MW | Mn8 Energy Llc |
| Dynamic Madison (Csg) | Madison | Somerset County | 5 MW | Mn8 Energy Llc |
| Water Street Solar | Randolph | Kennebec County | 5 MW | Aes Distributed Energy |
| Aes Daigle Solar, Llc | Fort Kent | Aroostook County | 5 MW | Aes Clean Energy |
| Cenergy - Pulk | Sabattus | Androscoggin County | 5 MW | Bap Grounded 2 Llc |
| Cenergy - Waterville (Csg) | Waterville | Kennebec County | 5 MW | Luminace Sunbeam Development Holdings, Llc |
| Cenergy - Wiscasset (Csg) | Wiscasset | Lincoln County | 5 MW | Luminace Sunbeam Development Holdings, Llc |
| Me Novel Lighthouse - Carrabassett | Carrabassett Valley | Franklin County | 5 MW | Luminace Sunbeam Development Holdings, Llc |
| Fort Fairfield | Fort Fairfield | Aroostook County | 5 MW | Standard Solar |
| Our Katahdin | Millenocket | Penobscot County | 5 MW | Greenbacker Renewable Energy Corporation |
| Me - Edfr - Phase I - Bristol | Bristol | Lincoln County | 5 MW | Overlook Solar Partners, Llc |
| Athens At01 | Athens | Somerset County | 5 MW | Nautilus Solar Solutions |
| Standish | Standish | Cumberland County | 5 MW | Nautilus Solar Solutions |
| Town House | Chelsea | Kennebec County | 5 MW | Nautilus Solar Solutions |
| Me-Edfr-Phase I-Woolwich | Woolwich | Sagadahoc County | 5 MW | Green Mile Solar, Llc |
| Me-Edfr-Phase I-Embden | Embden | Somerset County | 5 MW | Tower Solar Partners, Llc |
| Bwc Beech Ridge Brook, Llc | Scarborough | Cumberland County | 5 MW | Navisun Llc |
| North Bridgton | Oakland | Cumberland County | 5 MW | Nautilus Solar Solutions |
| Bnrg Masardis (Csg) | Masardis | Aroostook County | 5 MW | Nautilus Solar Solutions |
| Oakland | Oakland | Kennebec County | 5 MW | Nautilus Solar Solutions |
| Quarry | North Berwick | York County | 5 MW | Nautilus Solar Solutions |
| Ryans Ranch | Paris | Oxford County | 5 MW | Nautilus Solar Solutions |
| Sanford Cga | Sanford | York County | 5 MW | Nautilus Solar Solutions |
| Shaker | Gray | Cumberland County | 5 MW | Nautilus Solar Solutions |
| Brewer (Csg) | Brewer | Penobscot County | 5 MW | Nautilus Solar Solutions |
| Caribou Solar | Caribou | Aroostook County | 5 MW | Socore Energy Llc |
| Bwc Jimmie Pond | Hampden | Penobscot County | 5 MW | Navisun Llc |
| Bates College Skowhegan | Skowhegan | Somerset County | 5 MW | Westbound Solar 3, Llc |
| Me - Edf - Phase Ii - Belfast | Belfast | Waldo County | 5 MW | Shining Solar Partners, Llc |
| Md - Edfr - Phase Ii - Lewiston | Lewiston | Androscoggin County | 5 MW | Hayworth Solar Partners, Llc |
| Harmony Solar (Me) | Harmony | Somerset County | 5 MW | Maine Dg Solar Harmony, Llc |
| Arctaris Saddleback Solar | Dallas Plantation | Franklin County | 5 MW | Arctaris Saddleback Solar, Llc |
| Lewiston Junction Road Solar | Poland | Androscoggin County | 5 MW | Nextgrid Peppertree, Llc |
| Scs Harpswell 012903 Brunswick, Llc | Brunswick | Cumberland County | 5 MW | Arevon Energy, Inc. |
| Dublin Street Llc | Machias | Washington County | 5 MW | Dublin Street Llc |
| Pittsfield Solar (N. Main St) | Pittsfield | Somerset County | 5 MW | Maine Dg Solar Pittsfield, Llc |
| Dynamic - Norridgewock Martin Stream (Csg) | Norridgewock | Somerset County | 5 MW | Nautilus Solar Solutions |
| Dynamic - Leeds Solar (Csg) | Leeds | Androscoggin County | 5 MW | Nautilus Solar Solutions |
| Dynamic - Gray Solar | Gray | Cumberland County | 5 MW | Altus Power America Management, Llc |
| Dynamic - Enfield Hammett Road Csg | Enfield | Penobscot County | 5 MW | Altus Power America Management, Llc |
| Dynamic - Glenburn Broadway One (Csg) | Glenburn | Penobscot County | 5 MW | Altus Power America Management, Llc |
| Caterpillar Hill | Sedgwick | Hancock County | 5 MW | Aes Clean Energy |
| Farmingdale Fa01 | Farmingdale | Kennebec County | 5 MW | Nautilus Solar Solutions |
| Fryeburg | Fryeburg | Oxford County | 5 MW | Nautilus Solar Solutions |
| Sabattus Sb01 | Sabattus | Androscoggin County | 5 MW | Nautilus Solar Solutions |
| Sanford -Ny | Sanford | York County | 5 MW | Nautilus Solar Solutions |
| Farmington | Farmington | Franklin County | 5 MW | Madison Energy Investments Llc |
| Waterboro | East Waterboro | York County | 5 MW | Madison Energy Investments Llc |
| Wymans Deblois | Deblois | Washington County | 5 MW | Rec Rwd, Llc |
| Sp-231 Clifton | Clifton | Penobscot County | 5 MW | Madison Energy Investments Llc |
| Wells (Me) | Wells | York County | 5 MW | Nautilus Solar Solutions |
| Perkins Road Belfast Solar, Llc | Belfast | Waldo County | 5 MW | Rea Investments, Llc |
| Webb Road Solar | Waterville | Kennebec County | 5 MW | Nextgrid Mastic, Llc |
| Merrill Road Solar | Lewiston | Androscoggin County | 5 MW | Nextgrid Mangrove, Llc |
| Broadway Solar (Csg) | Bangor | Penobscot County | 5 MW | Nextgrid Bitterbush, Llc |
| Corkwood Solar (Csg) | Howland | Penobscot County | 5 MW | Nextgrid Corkwood, Llc |
| Milo Csg | Milo | Piscataquis County | 5 MW | Milo Csg, Llc |
| Treasure Lane Solar 1 | Manchester | Kennebec County | 5 MW | Aes Clean Energy |
| Bwc Unity Pond Llc | Benton | Kennebec County | 5 MW | Navisun Llc |
| Dynamic - Wales Leeds Junction Road (Csg) | Wales | Androscoggin County | 5 MW | Altus Power America Management, Llc |
| Route 3 China Solar, Llc | China | Kennebec County | 5 MW | Rea Investments, Llc |
| Barefoot Solar | Fairfiled | Somerset County | 4 MW | Madison Energy Investments Llc |
| Ios - Mew Phase 1 | Madison | Somerset County | 4 MW | Madison Energy Holdings Llc |
| Caribou | Caribou | Aroostook County | 4 MW | Altus Power America Management, Llc |
| Loring | Limestone | Aroostook County | 4 MW | Altus Power America Management, Llc |
| Hartland Solar | Hartland | Somerset County | 4 MW | Madison Energy Holdings Llc |
| Aes Pelletier Solar, Llc | Fort Kent | Aroostook County | 4 MW | Aes Clean Energy |
| Dynamic - Exeter Solar Csg | Exeter | Penobscot County | 4 MW | Altus Power America Management, Llc |
| Washington Ws01 | Washington | Knox County | 4 MW | Nautilus Solar Solutions |
| Mainely Solar (Wyman Hill Solar Llc) | Rumford | Oxford County | 4 MW | Wyman Hill Solar, Llc |
| Madawaska Solar | Saint David | Aroostook County | 4 MW | Socore Energy Llc |
| Ism Solar Shepherd Acres | South Paris | Oxford County | 4 MW | Navisun Llc |
| Nutting Ridge Solar, Llc | Otisfield | Oxford County | 4 MW | Rea Investments, Llc |
| Searsmont Road Lincolnville Solar, Llc | Lincolnville | Waldo County | 4 MW | Rea Investments, Llc |
| Dairy Farm | Anson | Somerset County | 4 MW | Greenbacker Renewable Energy Corporation |
| Limestone Csg 1 Llc | Limestone | Aroostook County | 4 MW | Limestone Csg 1 Llc |
| Augusta Road Bowdoin Solar, Llc | Bowdoin | Sagadahoc County | 4 MW | Rea Investments, Llc |
| Church Hill Road Augusta Solar, Llc | Augusta | Kennebec County | 4 MW | Rea Investments, Llc |
| Lebanon Csg Llc | Lebanon | York County | 4 MW | Dimension Energy Llc |
| 15 Glen Harris Rd | New Sharon | Franklin County | 4 MW | Me Sandy River Llc |
| Acton | Acton | York County | 4 MW | Acton H Road Solar 1, Llc |
| Bwc Maces Pond Llc | Rockport | Knox County | 4 MW | Navisun Llc |
| Easton Csg 1 Llc | Easton | Aroostook County | 3 MW | Easton Csg 1 Llc |
| Livermore Falls Csg | Livermore Falls | Androscoggin County | 3 MW | Livermore Falls Csg, Llc |
| Brng Nicolin (Csg) | Ellsworth | Hancock County | 3 MW | Nautilus Solar Solutions |
| Market Street Gardiner Solar, Llc | Gardiner | Kennebec County | 3 MW | Rea Investments, Llc |
| Me Novel Lighthouse - Front St. Solar Cs | Skowhegan | Somerset County | 3 MW | Luminace Sunbeam Development Holdings, Llc |
| Valley Sun Solar | Grand Isle | Aroostook County | 3 MW | Valley Sun Solar Llc |
| Pleasant Street | Wilton | Franklin County | 3 MW | Greenbacker Renewable Energy Corporation |
| Me Novel Lighthouse - Penobscot Csg | Patten | Penobscot County | 3 MW | Luminace Sunbeam Development Holdings, Llc |
| Mechanic Street (Csg) | Presque Island | Aroostook County | 3 MW | Nautilus Solar Solutions |
| Missile Street (Csg) | Presque Island | Aroostook County | 3 MW | Nautilus Solar Solutions |
| Canton Glc Solar, Llc | Canton | Oxford County | 3 MW | Rea Investments, Llc |
| Sheridan Road Solar Farm | Ashland | Aroostook County | 3 MW | Rea Investments, Llc |
| Limestone Csg 2 Llc | Limestone | Aroostook County | 3 MW | Limestone Csg 2 Llc |
| Athens Ridge | Athens | Somerset County | 3 MW | Greenbacker Renewable Energy Corporation |
| Me Fort Fairfield Solar Plant | Presque Isle | Aroostook County | 3 MW | Me Fort Fairfield Llc |
| Mars Hill | Mars Hill | Aroostook County | 3 MW | Greenbacker Renewable Energy Corporation |
| Augusta | Augusta | Kennebec County | 3 MW | Maine Dg Solar Augusta, Llc |
| Me Novel Lighthouse - Huggard Ave Solar | Limestone | Aroostook County | 3 MW | Luminace Sunbeam Development Holdings, Llc |
| French Road Solar | Ashland | Aroostook County | 3 MW | Socore Energy Llc |
| North Nobleboro Road, Llc | Waldoboro | Lincoln County | 3 MW | Rea Investments, Llc |
| Skyway Avenue Solar Farm | Frenchville | Aroostook County | 3 MW | Rea Investments, Llc |
| Me - Novel (Lighthouse Ph I) Mars Hill | Westfield | Aroostook County | 3 MW | Mars Hill Road Solar Farm, Llc |
| Mevs Dot 109 | Augusta | Kennebec County | 2 MW | Mevs Dot, Llc |
| Samoset Solar | Rockport | Knox County | 2 MW | Samoset Solar, Llc |
| Naples | Naples | Cumberland County | 2 MW | Naples Casco Solar 1, Llc |
| Lisbon Street Solar | Lewiston | Androscoggin County | 2 MW | Nextgrid Cliffrose, Llc |
| Bnrg Norridgewock (Csg) | Norridgewock | Somerset County | 2 MW | Nautilus Solar Solutions |
| Bnrg North Anson (Csg) | North Anson | Somerset County | 2 MW | Nautilus Solar Solutions |
| Houlton Road Solar Farm (Csg) | Fort Fairfield | Aroostook County | 2 MW | Rea Investments, Llc |
| Me Cdg 004 | Bangor | Penobscot County | 2 MW | Me Cdg 004 Llc |
| Me Cdg 005 | Veazie | Penobscot County | 2 MW | Me Cdg 005 Llc |
| Richmond Hill | Richmond | Sagadahoc County | 2 MW | Greenbacker Renewable Energy Corporation |
| Mariaville Road Elsworth Solar, Llc | Ellsworth | Hancock County | 2 MW | Rea Investments, Llc |
| Solar Mule, Llc | Oakland | Kennebec County | 2 MW | Solar Mule, Llc |
| Sidney | Sidney | Kennebec County | 2 MW | Nautilus Solar Solutions |
| Me Augusta 13 York Farm Rd Solar | Augusta | Kennebec County | 1 MW | Sol Me Augusta 13 York Farm, Llc |
| Cenergy - Richards (Csg) | Fairfield | Somerset County | 1 MW | Luminace Sunbeam Development Holdings, Llc |
| Cenergy - Kiger | Embden | Somerset County | 1 MW | Luminace Sunbeam Development Holdings, Llc |
| Roosevelt Trail | Windham | Cumberland County | 1 MW | Madison Energy Investments Llc |
| Sp-339 Mechanic Falls | Mechanic Falls | Oxford County | 1 MW | Madison Energy Investments Llc |
| Three Rivers Solar Power, Llc | Eastbrook | Hancock County | — | Three Rivers Solar Power, Llc |
| Ced Denmark Solar Hybrid | Denmark | Oxford County | — | Consolidated Edison Development Inc. |
| Auburn Pv - Bd Solar Auburn Llc | Auburn | Androscoggin County | — | Bd Solar Auburn Llc |
| Lewiston Jn Pv - Bd Solar Lewiston Jn Ll | Auburn | Androscoggin County | — | Bd Solar Lewiston Junction Llc |
| Gorham Me 1 | Gorham | Cumberland County | — | Consolidated Edison Development Inc. |
| Lincoln Me 1 | Lincoln | Penobscot County | — | Consolidated Edison Development Inc. |
| Roxbury Solar, Llc | Roxbury | Oxford County | — | Roxbury Solar, Llc |
| Emery Shute Solar One | Prospect | Waldo County | — | Vcp Realty, Llc |
| Spencer Drive Solar One | Wells | York County | — | Vcp Realty, Llc |
| Emery Meadow Solar Station | Buxton | York County | — | Emery Meadow Solar Station, Llc |
| Topsham Meadow Solar Station | Topsham | Sagadahoc County | — | Topsham Meadow Solar Station Llc |
| West Baldwin Solar Station | Baldwin | Cumberland County | — | West Baldwin Solar Station Llc |
| Warren Meadow Solar Station | Warren | Knox County | — | Warren Meadow Solar Station, Llc |
| Turner Meadow Solar Station | Turner | Androscoggin County | — | Turner Meadow Solar Station, Llc |
| 549 Doles Ridge Rd Solar Llc | Limerick | York County | — | 549 Doles Ridge Rd Solar Llc |
| Hogs Bay | Franklin | Hancock County | — | Greenbacker Renewable Energy Corporation |
| Dynamic - Wales Pond Road | Wales | Androscoggin County | — | Mn8 Energy Llc |
| Crooked Trail Solar | Passadumkeag | Penobscot County | — | Vcp Realty, Llc |
| Freedom Pine Solar | Lebanon | York County | — | Freedom Pine Solar, Llc |