Middlesex County, Massachusetts has 60 power plants totaling 2,293 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.
| Plant | City | Fuel | Capacity | Operator |
|---|---|---|---|---|
| Mystic Generating Station | Charlestown | Natural Gas | 1,744 MW | Constellation Mystic Power Llc |
| Kendall Square Station | Cambridge | Natural Gas | 235 MW | Kendall Green Energy, Llc |
| Tanner Street Generation | Lowell | Natural Gas | 85.0 MW | Bt Generation Holdings, Llc |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Cambridge | Natural Gas | 43.4 MW | Massachusetts Inst Of Tech |
| Boott Hydropower | Lowell | Hydroelectric | 22.9 MW | Boott Hydro, Llc - Hybrid |
| Cherry Street | Hudson | Natural Gas | 17.3 MW | Town Of Hudson - (Ma) |
| Blodgett Solar Csg | Tyngsboro | Solar | 10.0 MW | Blodgett Street Solar 1, Llc |
| Dunstable Solar 1, Llc | Dunstable | Solar | 9.0 MW | Aes Distributed Energy |
| Shaffer | Billerica | Solar | 5.0 MW | Cd Us Solar Mt3, Llc |
| Minuteman Energy Storage | North Reading | Other Fossil | 5.0 MW | Minuteman Energy Storage, Llc |
| Hudson | Hudson | Solar | 5.0 MW | Captona Hudson Llc |
| Syncarpha Tewksbury Hybrid Csg | Tewksbury | Solar | 4.8 MW | Syncarpha Tewksbury, Llc |
| Iron Horse Solar 4, Llc | North Billerica | Solar | 4.5 MW | Iron Horse Solar 4, Llc |
| Kearsarge Concord Ii | Concord | Solar | 4.5 MW | Kearsarge Concord Ii Llc |
| Ashland Solar | Ashland | Solar | 4.5 MW | Citizens Enterprises Corporation |
| West Groton Chp | Groton | Natural Gas | 4.1 MW | Hollingsworth & Vose Co West Groton |
| Westford Solar Park | Westford | Solar | 4.0 MW | Mn8 Energy Llc |
| Gspp Boxborough Littleton (Ma) | Boxborough | Solar | 4.0 MW | Gspp Boxborough Littleton, Llc |
| Nextsun Energy Littleton | Littleton | Solar | 3.8 MW | Greenbacker Renewable Energy Corporation |
| Coresite - Somerville | Somerville | Natural Gas | 3.6 MW | Bloom Energy |
| Framingham State University Plant | Framingham | Solar | 3.4 MW | Framingham State University |
| Devens | Shirley | Solar | 3.0 MW | Altus Power America Management, Llc |
| Beebe Substation Battery Storage | Wakefield | Other Fossil | 3.0 MW | Massachusetts Mun Wholes Electric Co |
| Leominster (Ma)-South Street-R&d | Tewksbury | Solar | 2.9 MW | South Street Solar, Llc |
| Iron Horse Solar I Csg | North Billerica | Solar | 2.9 MW | Iron Horse Solar 1, Llc |
| Tyngsborough Solar | Tyngsborough | Solar | 2.6 MW | Citizens Enterprises Corporation |
| Ebz Solar | Shirley | Solar | 2.5 MW | Citizens Enterprises Corporation |
| Centaurus Solar - Ma | Ashland | Solar | 2.4 MW | Lse Centaurus Llc |
| Bourne (Ma) - Holliston I | Holliston | Solar | 2.3 MW | Nvt Licenses, Llc |
| Geld Solar Farm | Groton | Solar | 2.3 MW | Ameresco, Inc - Geld |
| Bwc Stony Brook, Llc Hybrid | Chelmsford | Solar | 2.3 MW | Aes Distributed Energy |
| Pepperell Hydro Power Plant | Pepperell | Hydroelectric | 2.2 MW | Eagle Creek Renewable Energy, Llc |
| Gspp Devens, Llc | Ayer | Solar | 2.2 MW | Green Street Power Partners |
| Natick Mall | Natick | Solar | 2.2 MW | Natick Mall |
| Acton-Boxborough Schools Bess | Acton | Other Fossil | 2.1 MW | Mss Energy Holdings, Llc (D.b.a. Calibrant Energy) |
| Stow Pv | Stow | Solar | 2.0 MW | Aes Distributed Energy |
| Shirley Water | Shirley | Solar | 2.0 MW | Altus Power America Management, Llc |
| Wilmington Solar | Wilmington | Solar | 2.0 MW | Mn8 Energy Llc |
| Hopkinton Csg | Hopkinton | Solar | 2.0 MW | Altus Power America Management, Llc |
| Groton Bess 2 | Groton | Battery Storage | 2.0 MW | Groton Bess 2 Llc |
| Groton Bess 1 | Groton | Battery Storage | 2.0 MW | Groton Bess 1 Llc |
| Equinix - Billerica | Billerica | Natural Gas | 1.9 MW | Bloom Energy |
| Ashby Duffy Csg Solar Farm | Ashby | Solar | 1.8 MW | Lse Cassiopeia Llc |
| Weston Landfill Solar | Weston | Solar | 1.8 MW | Ameresco, Inc - Weston |
| Newton Rumford Landfill | Newton | Solar | 1.7 MW | Newton Municipal Solar Llc - Rumford |
| Town Of Lexington Solar | Lexington | Solar | 1.6 MW | Syncarpha Lexington, Llc |
| Kearsarge Wilmington | Wilmington | Solar | 1.6 MW | Kearsarge Wilmington Llc |
| Acton Solar Landfill | Acton | Solar | 1.5 MW | Heliovaas Llc |
| Concord Solar Farm | Concord | Solar | 1.5 MW | Kearsarge Solar Llc |
| Holliston Llc | Holliston | Solar | 1.5 MW | Greenbacker Renewable Energy Corporation |
| Sudbury Landfill | Sudbury | Solar | 1.3 MW | Heliovaas Llc |
| Lowell Solar Landfill | Lowell | Solar | 1.3 MW | Heliovaas Llc |
| Ddr Shoppers World | Framingham | Solar | 1.3 MW | Altus Power America Management, Llc |
| Woburn | Woburn | Solar | 1.3 MW | Greenbacker Renewable Energy Corporation |
| Maynard Pv | Maynard | Solar | 1.0 MW | Terraform Arcadia |
| Holliston Solar Csg | Holliston | Solar | 1.0 MW | Mn8 Energy Llc |
| Shirley Landfill | Shirley | Solar | 1.0 MW | Altus Power America Management, Llc |
| Kearsarge Riverpark I Llc | North Reading | Battery Storage | — MW | Kearsarge Riverpark I Llc |
| Kearsarge Riverpark Ii Llc | North Reading | Battery Storage | — MW | Kearsarge Riverpark I Llc |
| Wakefield Ma Bess 1 | Wakefield | Battery Storage | — MW | Wakefield Ma Bess 1 Llc |
Middlesex County, Massachusetts has 60 power plants totaling 2,293 MW of nameplate capacity. Natural Gas is the dominant fuel source at 93% of installed capacity, followed by Solar (5%) and Hydroelectric (1%). The largest facility is Mystic Generating Station at 1,744 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.
To find plants closer to a specific address in Middlesex County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.