EIA data through August 2026 · updated 2026-10-29

Connecticut electricity rates

Connecticut homes paid 24.5¢ per kWh in August 2026 — -18.8% from a year earlier. That is #41 cheapest of 51; the U.S. average was 18.2¢.

CT average24.5¢Aug 2026
12-month average27.7¢
Rank (cheapest)#41of 51
Utilities6
ZIP codes418
Connecticut has retail electricity choice. Many households can buy electricity supply from a competing supplier, while the local utility still delivers it. The averages here combine utility and supplier sales as reported to the EIA; your state’s public utility commission lists licensed suppliers.

Connecticut electricity price trend

12¢17¢22¢27¢32¢20222023202420252026Connecticut averageU.S. average 12¢17¢22¢27¢32¢20222023202420252026Connecticut averageU.S. average
Connecticut averageU.S. average
Aug 202624.5¢per kWh
vs. 1 year ago-18.8%30.2¢
vs. 5 years ago+17.8%20.8¢
Record high34.5¢Apr 2023
Avg. home bill$204834 kWh, Aug
EIA forecast, New England30.5¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the New England region, which includes Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont.

Heating this winter? Compare heating oil, propane, gas and a heat pump in Connecticut →

Utilities in Connecticut

6 utilities · 4 report monthly

Monthly home price by utility

Loading chart…

Each line is one utility (EIA-861M, 4 utilities that report monthly); the teal line is the Connecticut average. Hover or tap a line — or a row in the table — to highlight it.
│ = CT average, same period
Connecticut Light & Power Co.
Investor Owned · monthly data
27.5¢Jan–Aug 2026		 -0.8% -3.4% $1871,174,420
United Illuminating Co.
Investor Owned · monthly data
32.9¢Jan–Aug 2026		 +18.4% -3.5% $185312,291
Town of Wallingford (CT)
Municipal · monthly data
18.3¢Jan–Aug 2026		 -34% +17.1% $13021,405
City of Norwich (CT)
Municipal
22.8¢2024		 -21.1% — $14018,870
Groton Dept of Utilities (CT)
Municipal · monthly data
20.1¢Jan–Aug 2026		 -27.8% +7.2% $13412,284
Bozrah Light & Power Company
Municipal
19.3¢2024		 -33.1% — $1612,434

Bars: average home price (same color scale as the map). The thin line and “vs. CT avg.” use the Connecticut average of the same period — 2024 for yearly figures, 2026 so far for monthly ones. “vs. 2024” compares this year’s monthly average with the 2024 annual average. Click a column header to sort. Small utilities that report only totals are left out.

All ZIP codes in Connecticut

06001Avon06002Bloomfield06006Windsor06010Bristol06011Bristol06013Burlington06016Broad Brook06018Canaan06019Canton06020Canton Center06021Colebrook06022Collinsville06023East Berlin06024East Canaan06025East Glastonbury06026East Granby06027East Hartland06028East Windsor Hill06029Ellington06030Farmington06031Falls Village06032Farmington06033Glastonbury06034Farmington06035Granby06037Berlin06039Lakeville06040Manchester06041Manchester06042Manchester06043Bolton06045Manchester06050New Britain06051New Britain06052New Britain06053New Britain06057New Hartford06058Norfolk06059North Canton06060North Granby06061Pine Meadow06062Plainville06063Barkhamsted06064Poquonock06065Riverton06066Vernon Rockville06067Rocky Hill06068Salisbury06069Sharon06070Simsbury06071Somers06072Somersville06073South Glastonbury06074South Windsor06075Stafford06076Stafford Springs06077Staffordville06078Suffield06079Taconic06080Suffield06081Tariffville06082Enfield06083Enfield06084Tolland06085Unionville06088East Windsor06089Weatogue06090West Granby06091West Hartland06092West Simsbury06093West Suffield06094Winchester Center06095Windsor06096Windsor Locks06098Winsted06101Hartford06102Hartford06103Hartford06104Hartford06105Hartford06106Hartford06107West Hartford06108East Hartford06109Wethersfield06110West Hartford06111Newington06112Hartford06114Hartford06115Hartford06117West Hartford06118East Hartford06119West Hartford06120Hartford06123Hartford06126Hartford06127West Hartford06128East Hartford06129Wethersfield06131Newington06132Hartford06133West Hartford06134Hartford06137West Hartford06138East Hartford06140Hartford06141Hartford06142Hartford06143Hartford06144Hartford06145Hartford06146Hartford06147Hartford06150Hartford06151Hartford06152Hartford06153Hartford06154Hartford06155Hartford06156Hartford06160Hartford06161Hartford06167Hartford06176Hartford06180Hartford06183Hartford06199Hartford06226Willimantic06231Amston06232Andover06233Ballouville06234Brooklyn06235Chaplin06237Columbia06238Coventry06239Danielson06241Dayville06242Eastford06243East Killingly06244East Woodstock06245Fabyan06246Grosvenor Dale06247Hampton06248Hebron06249Lebanon06250Mansfield Center06251Mansfield Depot06254North Franklin06255North Grosvenordale06256North Windham06259Pomfret Center06260Putnam06262Quinebaug06263Rogers06264Scotland06265South Willington06266South Windham06267South Woodstock06268Storrs Mansfield06269Storrs Mansfield06277Thompson06278Ashford06279Willington06280Windham06281Woodstock06282Woodstock Valley06320New London06330Baltic06331Canterbury06332Central Village06333East Lyme06334Bozrah06335Gales Ferry06336Gilman06338Mashantucket06339Ledyard06340Groton06350Hanover06351Jewett City06354Moosup06355Mystic06357Niantic06359North Stonington06360Norwich06365Preston06370Oakdale06371Old Lyme06372Old Mystic06373Oneco06374Plainfield06375Quaker Hill06376South Lyme06377Sterling06378Stonington06379Pawcatuck06380Taftville06382Uncasville06383Versailles06384Voluntown06385Waterford06387Wauregan06388West Mystic06389Yantic06401Ansonia06403Beacon Falls06404Botsford06405Branford06408Cheshire06409Centerbrook06410Cheshire06411Cheshire06412Chester06413Clinton06414Cobalt06415Colchester06416Cromwell06417Deep River06418Derby06419Killingworth06420Salem06422Durham06423East Haddam06424East Hampton06426Essex06437Guilford06438Haddam06439Hadlyme06440Hawleyville06441Higganum06442Ivoryton06443Madison06444Marion06447Marlborough06450Meriden06451Meriden06455Middlefield06456Middle Haddam06457Middletown06459Middletown06460Milford06461Milford06467Milldale06468Monroe06469Moodus06470Newtown06471North Branford06472Northford06473North Haven06474North Westchester06475Old Saybrook06477Orange06478Oxford06479Plantsville06480Portland06481Rockfall06482Sandy Hook06483Seymour06484Shelton06487South Britain06488Southbury06489Southington06491Stevenson06492Wallingford06493Wallingford06494Wallingford06495Wallingford06498Westbrook06501New Haven06502New Haven06503New Haven06504New Haven06505New Haven06506New Haven06507New Haven06508New Haven06509New Haven06510New Haven06511New Haven06512New Haven06513New Haven06514Hamden06515New Haven06516West Haven06517Hamden06518Hamden06519New Haven06520New Haven06521New Haven06524Bethany06525New Haven06530New Haven06531New Haven06532New Haven06533New Haven06534New Haven06535New Haven06536New Haven06537New Haven06538New Haven06540New Haven06601Bridgeport06602Bridgeport06604Bridgeport06605Bridgeport06606Bridgeport06607Bridgeport06608Bridgeport06610Bridgeport06611Trumbull06612Easton06614Stratford06615Stratford06673Bridgeport06699Bridgeport06701Waterbury06702Waterbury06703Waterbury06704Waterbury06705Waterbury06706Waterbury06708Waterbury06710Waterbury06712Prospect06716Wolcott06720Waterbury06721Waterbury06722Waterbury06723Waterbury06724Waterbury06725Waterbury06726Waterbury06749Waterbury06750Bantam06751Bethlehem06752Bridgewater06753Cornwall06754Cornwall Bridge06755Gaylordsville06756Goshen06757Kent06758Lakeside06759Litchfield06762Middlebury06763Morris06770Naugatuck06776New Milford06777New Preston Marble Dale06778Northfield06779Oakville06781Pequabuck06782Plymouth06783Roxbury06784Sherman06785South Kent06786Terryville06787Thomaston06790Torrington06791Harwinton06792Torrington06793Washington06794Washington Depot06795Watertown06796West Cornwall06798Woodbury06801Bethel06804Brookfield06807Cos Cob06810Danbury06811Danbury06812New Fairfield06813Danbury06820Darien06824Fairfield06825Fairfield06828Fairfield06829Georgetown06830Greenwich06831Greenwich06836Greenwich06838Greens Farms06840New Canaan06850Norwalk06851Norwalk06852Norwalk06853Norwalk06854Norwalk06855Norwalk06856Norwalk06857Norwalk06858Norwalk06860Norwalk06870Old Greenwich06875Redding Center06876Redding Ridge06877Ridgefield06878Riverside06879Ridgefield06880Westport06881Westport06883Weston06888Westport06889Westport06890Southport06896Redding06897Wilton06901Stamford06902Stamford06903Stamford06904Stamford06905Stamford06906Stamford06907Stamford06910Stamford06911Stamford06912Stamford06913Stamford06914Stamford06926Stamford06927Stamford

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions

What is the average electricity rate in Connecticut?

24.5¢ per kWh for residential customers in August 2026 (EIA-861M, preliminary); the 12-month average is 27.7¢.

How does Connecticut compare with other states?

Connecticut ranks #41 cheapest of 51 states and D.C. The U.S. average was 18.2¢ in August 2026.

Which utility in Connecticut has the lowest rates?

Among the larger utilities (over 10,000 homes), Town of Wallingford (CT) averaged 15.7¢ per kWh in 2024. Rates depend on the plan; check the utility’s tariff.