FieldProspects

Plymouth County, Massachusetts

Plymouth County, Massachusetts has 105 power projects in the FieldProspects database: 88 operating plants totaling 473.2 MW and 17 planned projects totaling 72 MW. No data center record lists the county. Battery Storage leads with 209 MW across 23 projects.

Data as of Grid region: ISO New EnglandRefreshed monthly
105
power projects, planned and operating
72MW
planned generation, 17 projects
473.2MW
operating generation, 88 projects
0
planned projects past their listed in-service date
Map

Plymouth County and its neighbors

Counties shaded by data center MW on record, planned to operating. 3 of its 3 neighboring counties have pages of their own. The rest are in the member database.

Plymouth no data centers Bristol no data centers Norfolk 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
15%

of the county's operating generation is in the queue as new capacity: 72 MW planned across 17 projects against 473.2 MW operating.

Operating generation473.2 MW
Planned generation72 MW

Technology mix

105 projects, 545.2 MW planned and operating

Battery Storage209 MW23 projects, 38%
Solar206.7 MW76 projects, 38%
Municipal Solid Waste98.5 MW2 projects, 18%
2 other technologies31 MW4 projects, 6%
Which companies own these 105 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

88 plants operate inside Plymouth County, 473.2 MW. The queue adds 72 MW across 17 projects.

Figure 1

Operating and planned generation by technology

MW in Plymouth County

OperatingPlanned
Battery StorageOperating 188 MW 16 projects
Battery StoragePlanned 21 MW 7 projects
SolarOperating 175.7 MW 67 projects
SolarPlanned 31 MW 9 projects
Municipal Solid WasteOperating 98.5 MW 2 projects
OtherPlanned 20 MW 1 project
WindOperating 11 MW 3 projects
View as table
TechnologyStatusProjectsMW
Battery StorageOperating16188
Battery StoragePlanned721
SolarOperating67175.7
SolarPlanned931
Municipal Solid WasteOperating298.5
OtherPlanned120
WindOperating311
Operating: 473.2 MW. Planned: 72 MW. If every planned project is built, county generation would reach 545.2 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
0204060 Snapshot year 6 2026 46 2027 2028 20 2029
View as table
YearPlanned projectsMW
202646
20271246
202800
2029120
No planned project is past its listed year

Plymouth County against its neighbors

None of the 3 neighboring counties with a page lists a data center record. Norfolk County has the most operating generation among them, 2.7 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Norfolk County 0
0
2,741
781 0x
Barnstable County 0
0
1,597
1,000 0x
Bristol County 0
0
596
1,557 0x
Plymouth County this page 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.

4 counties shown

What changed since June 4, 2026

18 projects in Plymouth County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
2
added to a queue, 10 MW
1
came online, started construction or signed an interconnection agreement, 6.8 MW
0
cancelled, dropped or went inactive, 0 MW
15
slipped their in-service date, 62 MW

Every change in Plymouth County

Project, what changed, technology, MW and the dates that moved, for all 18 changes.

Members only
County: Plymouth County, MASince June 4, 2026 18 changes
ProjectChangeTechnologyMWPrevious dateNew date
18 changes behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in Plymouth County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 105 records. Filter, sort and export to Excel.

Members only
County: Plymouth County, MAStatus: all except cancelledSort: MW, largest first 105 records
Project or campusDeveloperStatusMWYearContacts
105 records and 545.2 MW behind this preview

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