FieldProspects

Barnstable County, Massachusetts

Barnstable County, Massachusetts has 38 power projects in the FieldProspects database: 36 operating plants totaling 1.6 GW and 2 planned projects totaling 1 GW. No data center record lists the county. Oil leads with 1.2 GW across 2 projects. No planned project is past its listed in-service date.

Data as of Grid region: ISO New EnglandRefreshed monthly
38
power projects, planned and operating
1GW
planned generation, 2 projects
1.6GW
operating generation, 36 projects
0
planned projects past their listed in-service date
Map

Barnstable County and its neighbors

Counties shaded by data center MW on record, planned to operating. 2 of its 2 neighboring counties have pages of their own. The rest are in the member database.

Plymouth no data centers Dukes no data centers Barnstable no data centers
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
63%

of the county's operating generation is in the queue as new capacity: 1 GW planned across 2 projects against 1.6 GW operating.

Operating generation1.6 GW
Planned generation1 GW

Technology mix

38 projects, 2.6 GW planned and operating

Oil1.2 GW2 projects, 45%
Battery Storage1 GW10 projects, 40%
Natural Gas330 MW1 project, 13%
2 other technologies64.5 MW25 projects, 2%
Which companies own these 38 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

36 plants operate inside Barnstable County, 1.6 GW. The queue adds 1 GW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Barnstable County

OperatingPlanned
OilOperating 1.2 GW 2 projects
Battery StorageOperating 37.9 MW 8 projects
Battery StoragePlanned 1 GW 2 projects
Natural GasOperating 330 MW 1 project
SolarOperating 54.9 MW 19 projects
WindOperating 9.6 MW 6 projects
View as table
TechnologyStatusProjectsMW
OilOperating21,165
Battery StorageOperating837.9
Battery StoragePlanned21,000
Natural GasOperating1330
SolarOperating1954.9
WindOperating69.6
Operating: 1.6 GW. Planned: 1 GW. If every planned project is built, county generation would reach 2.6 GW.
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
02505007501k 1,000 2028
View as table
YearPlanned projectsMW
202821,000
No planned project is past its listed year

Barnstable County against its neighbors

None of the 2 neighboring counties with a page lists a data center record. Dukes County has the most operating generation among them, 803.1 MW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Barnstable County this page 0
0
1,597
1,000 0x
Dukes County 0
0
803
0 0x
Plymouth County 0
0
473
72 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.

3 counties shown

Every record in Barnstable County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 38 records. Filter, sort and export to Excel.

Members only
County: Barnstable County, MAStatus: all except cancelledSort: MW, largest first 38 records
Project or campusDeveloperStatusMWYearContacts
38 records and 2.6 GW behind this preview

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