How many natural gas power plants are in Connecticut?

There are 53 operating natural gas power plants in Connecticut.

What is the total natural gas capacity in Connecticut?

The total operating natural gas capacity in Connecticut is 5,390 MW.

What is the largest natural gas power plant in Connecticut?

The largest natural gas power plant in Connecticut is CPV Towantic Energy Center at 842 MW, located in New Haven, Connecticut.

Natural Gas Power Plants in Connecticut

Explore the largest natural gas power plants in Connecticut and see all the utility-scale natural gas projects in Connecticut on a map.

Last updated: May 2026

On this page, you can explore our real-time database of natural gas power plants in Connecticut. Each month, we track natural gas projects and update our list of the largest natural gas power plants in Connecticut.

As of May 2026, there are 53 utility-scale natural gas power plants in Connecticut, according to Cleanview's project tracker. Their total operating capacity is 5,390 MW. See also: planned natural gas power plants in Connecticut→

Total Natural Gas Power Plants

Total Capacity

5,390 MW

Built in 2025

Connecticut Natural Gas Map

Map of natural gas power plants in Connecticut. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Natural Gas Power Plants in Connecticut

CPV Towantic Energy Center

842 MW

Year Operational: May 2018

Location: New Haven, Connecticut

Lake Road Generating Plant

840 MW

Year Operational: May 2002

Location: Windham, Connecticut

Kleen Energy Systems Project

693 MW

Year Operational: July 2011

Location: Middlesex, Connecticut

Milford Power Project

578 MW

Year Operational: May 2004

Location: New Haven, Connecticut

Bridgeport Station

576 MW

Year Operational: June 2019

Location: Fairfield, Connecticut

Bridgeport Energy Project

520 MW

Year Operational: May 1999

Location: Fairfield, Connecticut

Middletown

353 MW

Year Operational: January 1964

Location: Middlesex, Connecticut

Wallingford Energy

350 MW

Year Operational: May 2018

Location: New Haven, Connecticut

Waterbury Generation

96 MW

Year Operational: June 2009

Location: New Haven, Connecticut

Recently Built Natural Gas Power Plants in Connecticut

Derby Fuel Cell

14 MW

Year Operational: January 2024

Location: New Haven, Connecticut

Stamford Health

2 MW

Year Operational: March 2023

Location: Fairfield, Connecticut

Stamford Health Tully Health Center

1 MW

Year Operational: January 2023

Location: Fairfield, Connecticut

Subase Microgrid Project

7 MW

Year Operational: December 2022

Location: New London, Connecticut

Naval Sub Base New London Fuel Cell

7 MW

Year Operational: December 2022

Location: New London, Connecticut

Yale New Haven - New London

2 MW

Year Operational: September 2022

Location: New London, Connecticut

Generate Colchester Fuel Cells, LLC

10 MW

Year Operational: October 2021

Location: New London, Connecticut

Sikorsky Aircraft CHP

10 MW

Year Operational: January 2021

Location: Fairfield, Connecticut

Medtronic - New Haven

2 MW

Year Operational: October 2020

Location: New Haven, Connecticut

Frequently Asked Questions

How many natural gas power plants are in Connecticut?: There are 53 operating natural gas power plants in Connecticut.
What is the total natural gas capacity in Connecticut?: The total operating natural gas capacity in Connecticut is 5,390 MW.
What is the largest natural gas power plant in Connecticut?: The largest natural gas power plant in Connecticut is CPV Towantic Energy Center at 842 MW, located in New Haven, Connecticut.

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