State electricity cost

How much does electricity cost in Connecticut?

The average residential electricity rate in Connecticut is 27.97¢ per kilowatt-hour (2026-07-ytd), the 45th-cheapest state average in the U.S. That is 48% above the unweighted average of the 51 state averages (18.88¢/kWh).

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B (2026-09-24). This aggregate rate does not reproduce your utility's fixed charges, tax treatment, tiers or time-of-use schedule.

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 usage	Estimated range	Most likely
500 kWh	$115.80–$172.30	$139.85
1,000 kWh	$231.59–$344.59	$279.70
1,500 kWh	$347.39–$516.89	$419.55

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.

Appliance	Reference scenario	kWh/month	Estimated/month
Central air conditioner	8 hours a day with moderate cycling	504.00	$140.97
Space heater	6 hours a day on 20 days in a month	144.00	$40.28
Electric water heater	Elements active about 3 hours a day	405.00	$113.28
Refrigerator	150 watts with a 35% compressor duty cycle	37.80	$10.57
EV home charging (Level 2)	About 2.5 charging hours a day (~50 miles)	468.00	$130.90
Pool pump	8 hours a day at full draw	264.00	$73.84
Electric dryer	45-minute cycles, twelve times per month	22.95	$6.42
Television	5 hours a day of mixed viewing	16.50	$4.62

Source: U.S. Energy Information Administration, Electric Power Monthly Table 5.6.B. Data vintage 2026-07-ytd.

Frequently asked questions

What is the average electricity rate in Connecticut?

The published state-average residential rate for Connecticut is 27.97 cents per kilowatt-hour (2026-07-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 45th-cheapest state-average rate of the 51 averages we track, sitting 48% above the unweighted average of the 51 state averages (18.88¢/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

Alaska — next-cheapest state average (27.09¢/kWh)
Rhode Island — next state average up (29.22¢/kWh)

All states, ranked · Appliance cost guides · Bill methodology · Data sources