Connecticut · 2 industries

Solar and battery storage projects in Connecticut

5 utility solar and 4 battery storage projects are in development in Connecticut, 1 of them under construction, with 95 already operating. Who is building each one, and who to call, is in the app.

Request access By county

9in development

0of them pre-construction

1of them under construction

95operating

3 queued5 financed1 under construction

By industry

Connecticut, industry by industry.

Utility solar in Connecticut5 in development1 under construction95 operating

Battery storage in Connecticut4 in development0 under construction0 operating

Breaking ground next

Next to start work in Connecticut.

Up to three projects per industry in Connecticut, closest to breaking ground first.

Utility solar

Unnamed 150 MW solar projectHartford County
Financed · 150 MW · start est. 2027 Q2
Builder: not yet named
Broadleaf SolarHartford County
Financed · 101 MW · start est. 2026 Q4
Builder: not yet named
Unnamed 25 MW solar projectHartford County
Queued · 25 MW · start est. 2026 Q2
Builder: not yet named

Battery storage

Naugatuck Avenue Battery StorageNew Haven County
Financed · 205 MW · start est. 2027 Q4
Builder: not yet named
Elevate MiddletownMiddlesex County
Queued · 275 MW · start est. 2026 Q4
Builder: not yet named
Battery StorageLitchfield County
Financed · 142 MW · start est. 2028 Q2
Builder: not yet named

By county

Connecticut, county by county.

Counties with 5 or more projects in development, most first. Each has a page with every project in development there.

No county in Connecticut has 5 projects in development yet.

Fewer than 5 in development: Hartford County (3), Windham County (3), Litchfield County (1), Middlesex County (1), New Haven County (1).

Questions

Connecticut, in short.

How many construction projects are in development in Connecticut?

9 solar and battery storage projects are in development in Connecticut: 5 utility solar and 4 battery storage projects. 1 of them are under construction, and 95 more are already operating.

Which counties in Connecticut have the most projects in development?

Hartford County (3), Windham County (3), Litchfield County (1), Middlesex County (1) and New Haven County (1).

Where does the Connecticut data come from?

From public records read daily for each industry (13 sources for utility solar and 10 sources for battery storage): grid interconnection queues, construction permits, county records, state siting and procurement filings, and satellite imagery. Each value links to its record.