FieldProspects

Massachusetts counties: power projects and data centers

Massachusetts has 14 county pages on FieldProspects, one for every county with at least three power projects. Across the state, 62 planned projects add up to 12 GW and 1,011 operating projects to 14 GW. 9 data center records list Massachusetts, 58.1 MW planned to operating, led by Middlesex County with 29 MW.

Data as of Refreshed monthly
14
county pages, three or more projects each
12GW
planned generation, 62 projects
14GW
operating generation, 1,011 projects
9
data center records, not cancelled
58.1MW
of data centers, planned to operating
Map

Data center MW by county in Massachusetts

Counties with a page are shaded by the MW of data centers on record, planned to operating. Click a county to open its page.

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
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, October 8, 2026 snapshot. Hover a county for its numbers

Every county page in Massachusetts

Projects, generation and data center records for each county with a page. Counties with fewer than three projects are in the member database only.

County Projects Planned generation MW Operating generation MW Data center records Data center MW
Barnstable County 38 1,000 1,597 0 0
Berkshire County 63 562 1,024 0 0
Bristol County 90 1,557 596 0 0
Dukes County 4 0 803 0 0
Essex County 56 430 1,154 1 5
Franklin County 59 7 1,334 0 0
Hampden County 133 305 1,420 0 0
Hampshire County 61 0 160 0 0
Middlesex County 90 1,729 476 2 29
Nantucket County 3 0 22 0 0
Norfolk County 67 781 2,741 0 0
Plymouth County 105 72 473 0 0
Suffolk County 51 800 269 3 20
Worcester County 248 769 1,957 3 4

Data center MW counts records planned, under construction and operating. Generation is inside the county only.

14 counties shown

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