FieldProspects

Somerset County, Maine

Somerset County, Maine has 71 power projects in the FieldProspects database: 69 operating plants totaling 498 MW and 2 planned projects totaling 158.1 MW. No data center record lists the county. Solar leads with 256.2 MW across 25 projects. No planned project is past its listed in-service date.

Data as of Grid region: ISO New EnglandRefreshed monthly
71
power projects, planned and operating
158.1MW
planned generation, 2 projects
498MW
operating generation, 69 projects
0
planned projects past their listed in-service date
Map

Somerset County and its neighbors

Counties shaded by data center MW on record, planned to operating. 6 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Aroostook 6 MW Waldo no data centers Somerset no data centers Kennebec no data centers Penobscot no data centers Piscataquis no data centers Franklin 82 MW
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
32%

of the county's operating generation is in the queue as new capacity: 158.1 MW planned across 2 projects against 498 MW operating.

Operating generation498 MW
Planned generation158.1 MW

Technology mix

71 projects, 656.1 MW planned and operating

Solar256.2 MW25 projects, 39%
Hydro215.9 MW38 projects, 33%
Biomass115.6 MW3 projects, 18%
3 other technologies68.4 MW5 projects, 10%
Which companies own these 71 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

69 plants operate inside Somerset County, 498 MW. The queue adds 158.1 MW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Somerset County

OperatingPlanned
SolarOperating 98.1 MW 23 projects
SolarPlanned 158.1 MW 2 projects
HydroOperating 215.9 MW 38 projects
BiomassOperating 115.6 MW 3 projects
WindOperating 58.8 MW 1 project
Battery StorageOperating 6.4 MW 2 projects
Landfill GasOperating 3.2 MW 2 projects
View as table
TechnologyStatusProjectsMW
SolarOperating2398.1
SolarPlanned2158.1
HydroOperating38215.9
BiomassOperating3115.6
WindOperating158.8
Battery StorageOperating26.4
Landfill GasOperating23.2
Operating: 498 MW. Planned: 158.1 MW. If every planned project is built, county generation would reach 656.1 MW.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.
Figure 2

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
050100150 18 2027 2028 140 2029
View as table
YearPlanned projectsMW
2027118.1
202800
20291140
No planned project is past its listed year

Somerset County against its neighbors

Franklin County has the most data center MW among the neighbors, 82 MW. 6 of the 6 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Franklin County 1
82
336
0 0.24x
Aroostook County 1
6
293
0 0.02x
Penobscot County 0
0
1,038
68 0x
Somerset County this page 0
0
498
158 0x
Piscataquis County 0
0
211
0 0x
Waldo County 0
0
149
2 0x
Kennebec County 0
0
136
0 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

7 counties shown

Every record in Somerset County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 71 records. Filter, sort and export to Excel.

Members only
County: Somerset County, MEStatus: all except cancelledSort: MW, largest first 71 records
Project or campusDeveloperStatusMWYearContacts
71 records and 656.1 MW behind this preview

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