How Much Is Electricity in Connecticut?
The residential electricity rate in Connecticut is 29.38¢ per kilowatt-hour (kWh), ranking #47 cheapest among all 51 US states. The national average is 17.92¢/kWh, making Connecticut 64% above average.
29.38¢
Residential
#47
Price Rank
3.1%
Renewable
| Residential Rate | 29.38¢/kWh |
| Commercial Rate | 23.11¢/kWh |
| Industrial Rate | 18.35¢/kWh |
| US Average (Residential) | 17.92¢/kWh |
At 29.38¢/kWh, residential electricity in Connecticut is 64% above the U.S. average of 17.92¢/kWh — the 5th most expensive residential rate among 51 states and territories.
Across rate classes, commercial customers pay 23.11¢/kWh and industrial customers 18.35¢/kWh — a 4.76¢/kWh gap that reflects the volume discounts large industrial loads receive. Renewables supply 3.1% of generation in Connecticut, where natural gas dominates the mix at 58.2%, followed by nuclear at 37.7%.
In 2024, Connecticut generated about 44,761 GWh of electricity in total.
Source: U.S. Energy Information Administration, 2026.