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State electricity cost

How much does electricity cost in Connecticut?

The average residential electricity rate in Connecticut is 30.23¢ per kilowatt-hour (2026-04-ytd), the 48th-cheapest state average in the U.S. That is 63% above the unweighted average of the 51 state averages (18.54¢/kWh).

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B (2026-06-25). State averages are not household tariffs: taxes, fixed charges, and tiered or time-of-use pricing are not included.

Example monthly bills at the Connecticut average rate

Engine-generated energy-portion estimates for three usage levels. Enter your own kWh in the bill estimator for a personalized range.

Monthly usageEstimated rangeMost likely
500 kWh$125.15–$186.22$151.15
1,000 kWh$250.30–$372.43$302.30
1,500 kWh$375.46–$558.65$453.45

What appliances cost to run in Connecticut

Each row prices that appliance's reference scenario at the Connecticut state-average rate through the appliance-energy engine. Open a guide to adjust watts, hours, and usage.

ApplianceReference scenariokWh/monthEstimated/month
Central air conditioner8 hours a day with moderate cycling504.00$152.36
Space heater6 hours a day on 20 days in a month144.00$43.53
Electric water heaterElements active about 3 hours a day405.00$122.43
Refrigerator150 watts with a 35% compressor duty cycle37.80$11.43
EV home charging (Level 2)About 2.5 charging hours a day (~50 miles)468.00$141.48
Pool pump8 hours a day at full draw264.00$79.81
Electric dryer45-minute cycles, twelve times per month22.95$6.94
Television5 hours a day of mixed viewing16.50$4.99

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B. Data vintage 2026-04-ytd.

Frequently asked questions

What is the average electricity rate in Connecticut?
The published state-average residential rate for Connecticut is 30.23 cents per kilowatt-hour (2026-04-ytd, EIA). Your utility's tariff can differ meaningfully once fixed charges, taxes, and rate tiers are applied.
Is electricity in Connecticut cheap or expensive compared with other states?
Connecticut has the 48th-cheapest state-average rate of the 51 averages we track, sitting 63% above the unweighted average of the 51 state averages (18.54¢/kWh).
Why is my actual Connecticut bill different from these estimates?
These examples apply one state-average rate to assumed usage. Real bills add fixed monthly charges, taxes and fees, tiered or time-of-use pricing, and your household’s actual kilowatt-hours, which vary with weather and behavior.

Keep comparing

  • Maine — next-cheapest state average (29.89¢/kWh)
  • Massachusetts — next state average up (30.40¢/kWh)

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