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Connecticut Electricity Prices

Average retail price by sector. Latest data: May 2026.

Residential

27.37¢ /kWh

▼ 13.4%vs. last year

Commercial

21.08¢ /kWh

▼ 9.4%vs. last year

Industrial

16.76¢ /kWh

▼ 3.0%vs. last year

Average monthly bill

Full bill breakdown →

$203per month▼ 3.6% vs. the year before

28.60¢/kWh × 709 kWh a month. Residential revenue divided by residential customers, averaged over the 12 months to May 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		$203
U.S. average		$155
Massachusetts		$183
Rhode Island		$165
New York		$164

Connecticut is $47 a month above (+30.5%) the U.S. average of $155. Average monthly bill, June 2025 – May 2026.

How Connecticut makes its electricity

Fuel mix & 10-year trend →Power plants →

Renewable

3.7%

Carbon-free

41.4%

Largest source

Natural gas 56%

56%

38%

Connecticut electricity generation by source, June 2025 – May 2026
Source	Share	Generation
Natural gas	55.7%	25,345 GWh
Coal	0.0%	0 GWh
Nuclear	37.7%	17,165 GWh
Wind	0.0%	11 GWh
Solar	1.8%	818 GWh
Hydro	0.7%	302 GWh
Other	4.2%	1,891 GWh

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

Connecticut electricity prices in context

Connecticut's residential electricity rate stands at 27.37¢/kWh in May 2026, making it the eighth most expensive state in the nation. This exceeds the US average of 18.44¢/kWh by 8.93¢/kWh, or 48.4%. Among bordering states, only New York at 29.93¢/kWh and Rhode Island at 29.46¢/kWh command higher rates; Massachusetts comes in slightly lower at 28.82¢/kWh. Commercial and industrial rates in the state are 21.08¢/kWh and 16.76¢/kWh respectively.

The rate has climbed markedly in recent years. Since May 2021 it has risen 23.8% from 22.11¢/kWh, and over two decades since May 2006 it has increased 60.7% from 17.03¢/kWh. Over the full span of available records since January 2001, the increase reaches 155.8% from 10.70¢/kWh. A recent peak came in April 2023 at 34.48¢/kWh; the record low stands at 10.23¢/kWh in February 2001. Year over year, the rate has declined 13.4%.

The typical Connecticut household pays $203 per month for 709 kWh of electricity, compared with the national average of $155 for 871 kWh. Connecticut's above-average rate combines with below-average monthly consumption to yield a bill substantially higher than the national figure despite using less power overall.

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

12-month trend

ResidentialCommercialIndustrial

Residential history since 2001

Jan '01: 10.70¢
Now: 27.37¢
Change: ▲ 155.8%
Range: 10.23–34.48¢

Recent months

Month	Residential	Commercial	Industrial
May 2026	27.37	21.08	16.76
April 2026	32.24	23.56	17.93
March 2026	30.47	23.78	18.58
February 2026	30.77	24.59	21.52
January 2026	28.30	23.16	21.13
December 2025	25.30	22.21	19.13
November 2025	27.02	21.18	17.70
October 2025	27.72	21.58	12.94
September 2025	30.48	21.94	17.99
August 2025	30.24	23.70	18.84
July 2025	27.60	22.86	18.59
June 2025	27.19	21.30	19.03

Prices in ¢/kWh.

Frequently asked questions

›How much does electricity cost in Connecticut?

Residential electricity in Connecticut costs 27.37¢ per kilowatt-hour as of May 2026, the 8th highest rate among the 50 states and DC. Commercial customers pay 21.08¢ and industrial customers 16.76¢ per kilowatt-hour.

›Why is electricity expensive in Connecticut?

Connecticut's residential rate of 27.37¢/kWh is +53.4% versus the U.S. average of 17.84¢/kWh. What a household actually pays also depends on how much it uses: the typical Connecticut home consumes 709 kWh a month against a national average of 871 kWh, which is why its average bill comes to $203.

›Have electricity prices in Connecticut gone up?

Residential electricity in Connecticut has moved +155.8% since 2001, reaching 27.37¢/kWh in May 2026. Over the last year alone the change was -13.4%.

›Is electricity cheaper in states neighboring Connecticut?

Of the states bordering Connecticut, New York has the lowest average monthly bill at $164 and Massachusetts the highest at $183. Connecticut averages $203 a month, against a U.S. average of $155.