FieldProspects

Windham County, Connecticut

Windham County, Connecticut has 24 power projects in the FieldProspects database: 19 operating plants totaling 973.2 MW and 5 planned projects totaling 189.2 MW. No data center record lists the county. Natural Gas leads with 844.6 MW across 4 projects.

Data as of Grid region: ISO New EnglandRefreshed monthly
24
power projects, planned and operating
189.2MW
planned generation, 5 projects
973.2MW
operating generation, 19 projects
0
planned projects past their listed in-service date
Map

Windham 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.

Windham no data centers New London 300 MW Tolland 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
19%

of the county's operating generation is in the queue as new capacity: 189.2 MW planned across 5 projects against 973.2 MW operating.

Operating generation973.2 MW
Planned generation189.2 MW

Technology mix

24 projects, 1.2 GW planned and operating

Natural Gas844.6 MW4 projects, 73%
Solar205.3 MW12 projects, 18%
Battery Storage65 MW2 projects, 6%
2 other technologies47.5 MW6 projects, 4%
Which companies own these 24 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

19 plants operate inside Windham County, 973.2 MW. The queue adds 189.2 MW across 5 projects.

Figure 1

Operating and planned generation by technology

MW in Windham County

OperatingPlanned
Natural GasOperating 844.6 MW 4 projects
SolarOperating 81.1 MW 9 projects
SolarPlanned 124.2 MW 3 projects
Battery StoragePlanned 65 MW 2 projects
BiomassOperating 43 MW 1 project
HydroOperating 4.5 MW 5 projects
View as table
TechnologyStatusProjectsMW
Natural GasOperating4844.6
SolarOperating981.1
SolarPlanned3124.2
Battery StoragePlanned265
BiomassOperating143
HydroOperating54.5
Operating: 973.2 MW. Planned: 189.2 MW. If every planned project is built, county generation would reach 1.2 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
0255075100 94 2027 2028 2029 50 2030 45 2031
View as table
YearPlanned projectsMW
2027394
202800
202900
2030150.2
2031145
No planned project is past its listed year

Windham County against its neighbors

New London County has the most data center MW among the neighbors, 300 MW. 2 of the 2 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
New London County 1
300
3,048
5 0.1x
Windham County this page 0
0
973
189 0x
Tolland County 0
0
51
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.

3 counties shown

What changed since June 4, 2026

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

Open the change feed
0
added to a queue, 0 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
0
cancelled, dropped or went inactive, 0 MW
2
slipped their in-service date, 54.2 MW

Every change in Windham County

Project, what changed, technology, MW and the dates that moved, for all 2 changes.

Members only
County: Windham County, CTSince June 4, 2026 2 changes
ProjectChangeTechnologyMWPrevious dateNew date
2 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 Windham County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 24 records. Filter, sort and export to Excel.

Members only
County: Windham County, CTStatus: all except cancelledSort: MW, largest first 24 records
Project or campusDeveloperStatusMWYearContacts
24 records and 1.2 GW behind this preview

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