SAVRN Tracker

Connecticut Data Center Permits Tracker

Name: Connecticut Data Center Permits and Power Development Record
Creator: SAVRN
License: https://creativecommons.org/licenses/by/4.0/

Connecticut has 5,777 MW of generation and storage requested in the interconnection queue and 575 MW of generation planned within 36 months. Every row below links to its primary source.

Last checked Sep 18, 2026

Data center & substation permits

of 0 total utility-scale permits tracked here

5,777MW

In the interconnection queue

8 active generation and storage positions

575MW

Planned generation

7 EIA-860M generators due within 36 months

#13

of 51 states with anything on record

Ranked by data center & substation permit count

Where the activity is

Ranked by row count. Counts are never mixed with the MW figures above.

Top counties · queue, substation & state air rows

Fairfield 2

New Haven 2

New London 2

Middlesex 1

Windham 1

Interconnection queue in Connecticut

5,777 MW requested across 8 active generation and storage positions. Withdrawn and in-service rows are left out, matching the national page.

ISO	Project	Fuel	MW	Status
ISO-NE	Millstone 3 Upgrade7New London County	Nuclear	1,195 MW	Interconnection agreement
ISO-NE	Millstone 2 Upgrade7New London County	Nuclear	898 MW	Interconnection agreement
ISO-NE	Lake Road CNR Only (see Q534)PDWindham County	Natural gas	882 MW	Active
ISO-NE	CPV Towantic Energy CenterPDNew Haven County	Natural gas	745 MW	Interconnection agreement
ISO-NE	Kleen Energy ProjectMiddlesex County	Natural gas	620 MW	Interconnection agreement
ISO-NE	Bridgeport Energy PSS TuningFairfield County	Natural gas	578 MW	Interconnection agreement
ISO-NE	PSEG Bridgeport Harbor CCGT ExpansionBLFairfield County	Natural gas	510 MW	Interconnection agreement
ISO-NE	Wallingford GT UprateNew Haven County	Natural gas	350 MW	Active

Planned generation in Connecticut

575 MW across 7 EIA-860M generators scheduled to enter service within 36 months.

Plant	Technology	MW	Planned	Status
Elevate MiddletownMiddlesex County	Batteries	275 MW	Dec 2027	Planned for installation, but regulatory approvals not initiated
Broadleaf SolarHartford County	Solar Photovoltaic	200 MW	Apr 2028	Regulatory approvals pending. Not under construction
Pure Hedge LLCWindham County	Solar Photovoltaic	70 MW	Oct 2027	Under construction, less than or equal to 50 percent complete
Pure Hedge LLCWindham County	Batteries	20 MW	Oct 2027	Under construction, less than or equal to 50 percent complete
CT Airport Authority Solar OneHartford County	Solar Photovoltaic	4 MW	Dec 2027	Planned for installation, but regulatory approvals not initiated
Putnam Meadow Solar StationWindham County	Solar Photovoltaic	4 MW	Mar 2027	Regulatory approvals pending. Not under construction
Windsor LocksHartford County	Solar Photovoltaic	2 MW	Nov 2026	Under construction, less than or equal to 50 percent complete

Where Connecticut stands

Across the whole tracker, 533 data center and substation permits are on record in 51 states and DC. Connecticut accounts for 0 of them, ranking #13 by that count. Ranking measures documented permit activity, not the size of the eventual buildout.

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