CT · ranked #4 in the US
Connecticut residential rate: 28.7¢/kWh
That's 74% higher than the US average of 16.5¢/kWh. New England's constrained gas pipeline capacity pushes winter wholesale prices sharply higher and keeps retail rates among the nation's top five.
Estimated cost
A space heater draws full power only while the thermostat/compressor is running — about 7.5 effective hours at 1500W across your 10-hour window.
At your rate
What appliances cost in Connecticut.
Typical monthly running cost at 28.7¢/kWh, sorted by biggest impact on your bill.
Utilities serving Connecticut
- Eversource Energy
- United Illuminating (UI)
Deregulation status
full
In Connecticut you can shop for an electricity provider separately from the utility that delivers power. Switching suppliers is often the single biggest lever on your monthly bill.
Sources: www.eia.gov · portal.ct.gov
Last updated: 2026-04-13