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Connecticut Electricity Prices

Average retail price by sector.

Residential
24.51¢ /kWh
▼ 18.9%vs. last year
Commercial
19.29¢ /kWh
▼ 18.6%vs. last year
Industrial
16.18¢ /kWh
▼ 14.1%vs. last year

Data current through August 2026 — the latest available from the U.S. EIA, which publishes monthly figures on a roughly two-month delay.

Average monthly bill

Full bill breakdown →
$193per month▼ 8.5% vs. the year before

27.44¢/kWh × 703 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to August 2026 — the 3rd highest among the 50 states and DC.

Compared with the U.S. and neighboring states

Average monthly residential electricity bill, in US dollars
Connecticut
$193
U.S. average
$158
Massachusetts
$184
New York
$168
Rhode Island
$163

Connecticut is $34 a month above (+21.7%) the U.S. average of $158. Average monthly bill, September 2025 – August 2026.

How Connecticut makes its electricity

Fuel mix & trend since 2001 →Power plants →
Renewable
3.7%
Carbon-free
40.9%
Largest source
Natural gas 56%
Connecticut electricity generation by source, September 2025 – August 2026
SourceShareGeneration
Natural gas56.2%25,672 GWh
Coal0.0%0 GWh
Nuclear37.2%16,999 GWh
Wind0.0%11 GWh
Solar1.8%828 GWh
Hydro0.6%258 GWh
Other4.2%1,921 GWh

45.7 TWh of net generation over the 12 months to August 2026. Generation, not consumption — power crosses state lines.

Connecticut electricity prices in context

Connecticut's residential electricity rate in August 2026 was 24.51¢/kWh, ranking it 11th most expensive among the 50 states and DC. This was 6.35¢/kWh above the national average of 18.16¢/kWh, or 34.9% higher. Among its neighbors, Connecticut's rate was lower than Massachusetts at 30.48¢/kWh, New York at 28.65¢/kWh, and Rhode Island at 28.18¢/kWh. The commercial rate stood at 19.29¢/kWh and the industrial rate at 16.18¢/kWh.

Over the past five years since August 2021, when the rate was 20.80¢/kWh, Connecticut's residential price has risen 17.8%. Over the past twenty years since August 2006, the rate has climbed 40.2% from 17.48¢/kWh. Looking back to records beginning in January 2001 at 10.70¢/kWh, the increase reaches 129.1%. The state's highest residential rate was 34.48¢/kWh in April 2023, while its lowest was 10.23¢/kWh in February 2001.

Connecticut's average monthly residential bill was $193 for 703 kWh in August 2026, compared with the national average bill of $158 for 876 kWh. Despite a rate well above the national average, the state's monthly bill exceeded the national figure by only $35, because consumption there is substantially lower than the national norm. Year over year, the residential rate fell 18.9%.

Written from the EIA figures on this page, covering data through August 2026.

12-month trend

ResidentialCommercialIndustrial
10¢15¢20¢25¢30¢35¢Sep '25Dec '25Mar '26May '26Aug '26ResidentialCommercialIndustrial

Price history since 2001

ResidentialCommercialIndustrial
0¢10¢20¢30¢40¢Jan '01Jun '07Nov '13Mar '20Aug '26ResidentialCommercialIndustrial

Average retail price in all three sectors, every month since January 2001.

Residential

Jan '01
10.70¢
Now
24.51¢
Change
▲ 129.1%
Range
10.23–34.48¢

Recent months

MonthResidentialCommercialIndustrial
August 202624.5119.2916.18
July 202624.1619.8717.29
June 202624.3219.6016.46
May 202627.3721.3516.61
April 202632.2423.5517.94
March 202630.4723.7818.58
February 202630.7724.5921.52
January 202628.3023.1621.13
December 202525.3022.2119.13
November 202527.0221.1817.70
October 202527.7221.5812.94
September 202530.4821.9417.99

Prices in ¢/kWh.

Frequently asked questions

›How much does electricity cost in Connecticut?
Residential electricity in Connecticut costs 24.51¢ per kilowatt-hour as of August 2026, the 11th highest rate among the 50 states and DC. Commercial customers pay 19.29¢ and industrial customers 16.18¢ per kilowatt-hour.
›Why is electricity expensive in Connecticut?
Connecticut's residential rate of 24.51¢/kWh is +35.6% versus the U.S. average of 18.07¢/kWh. What a household actually pays also depends on how much it uses: the typical Connecticut home consumes 703 kWh a month against a national average of 876 kWh, which is why its average bill comes to $193.
›Have electricity prices in Connecticut gone up?
Residential electricity in Connecticut has risen 129.1% since 2001, reaching 24.51¢/kWh in August 2026. Over the last year alone the change was -18.9%.
›Is electricity cheaper in states neighboring Connecticut?
Of the states bordering Connecticut, Rhode Island has the lowest average monthly bill at $163 and Massachusetts the highest at $184. Connecticut averages $193 a month, against a U.S. average of $158.