Electricity Rates in Connecticut
Electricity Rates, Plans & Statistics
Electricity Companies & Statistics in Connecticut
- Population see rank3,605,597
- Total Production see rank42,520,251 MWh / 11.79 MWh per capita
- Total Consumption see rank16,599,689 MWh / 4.6 MWh per capita
- Total Production from Renewable see rank1,498,399 MWh / 0.42 MWh per capita
- CO2 Emissions from Consumption see rank4,300,440,414 kg / 1,192.71 kg per capita
- Total Production from Non-Renewable see rank41,021,852 MWh / 11.38 MWh per capita

Average Residential Electricity Bills & Rates in Connecticut
Connecticut residential electric rates are highest in January and the highest average bill is in January.
Historical Electricity Rates:
Connecticut Electricity Fuel Mix
Connecticut's Electricity Prices and Usage
Residents in Connecticut are faced with a higher residential electricity rate than most people around the United States, with an average state electricity rate of 25.40 cents per kilowatt hour compared to the national average rate of 15.72 cents. With over 30 electricity providers in the state, citizens have many options to choose from when shopping for electricity thanks to the deregulated electricity market that exists in the state. Eversource Energy has 1,093,579 total residential customers, more than any other electricity provider who operates in the state . The state is ranked 47th in the country for percentage of electricity generated from renewable fuels, creating 3.52% of their electricity from these renewable sources. Connecticut has had a 5.27% drop in the previous year in the usage of renewable fuels for electricity production. The national average monthly residential electric bill is $147.64, while the Connecticut average is $178.81 per month. Connecticut is 51st in the United States for lowest average monthly bill total.
Residential Electricity Providers in Connecticut
Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | Residential Sales (MWh) | Residential Revenues ($) | State Production (MWh) |
---|---|---|---|---|---|---|
Eversource Energy | BUNDLED | 29.75 | 202.12 | 8,225,357 | 2,447,218,483 | |
United Illuminating | BUNDLED | 27.09 | 140.77 | 1,695,882 | 459,332,055 | 58,132.7 |
Town Square Energy | ENERGY | 8.69 | 68.43 | 305,524 | 26,551,200 | |
Direct Energy | ENERGY | 8.87 | 66.32 | 229,299 | 20,329,600 | |
Wallingford Electric | BUNDLED | 16.48 | 134.95 | 212,112 | 34,946,070 | |
Clearview Electric | ENERGY | 8.48 | 69.36 | 198,665 | 16,854,500 | |
Ambit Energy | ENERGY | 9.47 | 66.44 | 169,729 | 16,066,000 | |
Public Power LLC | ENERGY | 9.47 | 75.89 | 156,300 | 14,800,000 | |
Liberty Power | ENERGY | 8.65 | 55.52 | 146,250 | 12,646,300 | |
Norwich Public Utilities | BUNDLED | 20.06 | 122.26 | 135,151 | 27,108,800 | 6,343 |
Commercial Electricity Providers in Connecticut
Provider | Service Type | Commercial Rate (¢) | Commercial Average Bill ($) | Commercial Sales (MWh) | Commercial Revenues ($) | State Production (MWh) |
---|---|---|---|---|---|---|
Eversource Energy | BUNDLED | 25.18 | 623.11 | 2,456,988 | 618,579,683 | |
Strategic Energy LLC | ENERGY | 7.77 | 1,020.43 | 1,714,520 | 133,226,700 | |
United Illuminating | BUNDLED | 23.51 | 596.88 | 579,785 | 136,334,096 | 58,132.7 |
Liberty Power | ENERGY | 8.16 | 1,794.73 | 287,291 | 23,453,500 | |
Wallingford Electric | BUNDLED | 13.98 | 701.77 | 217,353 | 30,392,390 | |
Norwich Public Utilities | BUNDLED | 16.64 | 863.47 | 134,161 | 22,319,000 | 6,343 |
Mohegan Tribal Utility Authority | BUNDLED | 10.14 | 13,617.97 | 124,068 | 12,583,000 | |
Groton Utilities | BUNDLED | 18.76 | 913.16 | 93,559 | 17,555,504 | |
Public Power LLC | ENERGY | 9.91 | 327.25 | 83,605 | 8,286,000 | |
First Point Power | ENERGY | 8.62 | 281.73 | 81,283 | 7,008,300 |
Power Plants in Connecticut
Plant | City/County | Primary Fuel Type | Production (MWh) | Emission (KG) | Emissions/MWh (KG/MWh) | Toxic Chemical Release | Closing Date |
---|---|---|---|---|---|---|---|
New London County | Nuclear | 15,580,520 | |||||
Lake Road Generating PlantDynegy Energy Services (100.00%) | Windham County | Natural Gas | 5,756,091 | 2,253,535,296.18 | 391.5 | ||
CPV Towantic Energy CenterCompetitive Power Ventures (100.00%) | New Haven County | Natural Gas | 5,596,142 | 1,959,986,523.6 | 350.24 | ||
Milford Power ProjectDynegy Energy Services (100.00%) | Milford | Natural Gas | 3,810,715 | 1,476,085,001.02 | 387.35 | ||
Bridgeport StationPSEG (100.00%) | Bridgeport | Natural Gas | 3,105,092 | 1,106,600,737.36 | 356.38 | ||
Bridgeport Energy ProjectEmera (100.00%) | Bridgeport | Natural Gas | 2,740,202 | 1,052,931,872.44 | 384.25 | ||
Kleen Energy Systems ProjectAres Management (19.00%) | Middletown | Natural Gas | 2,249,237 | 855,540,593.07 | 380.37 | ||
Wheelabrator BridgeportWheelabrator Environmental Systems (100.00%) | Bridgeport | Non-biogenic Municipal Solid Waste | 475,109 | 697,719,636.3 | 1,468.55 | ||
CT Resource Rec Authority FacilityMaterials Innovation Recycling Authority (100.00%) | Hartford | Non-biogenic Municipal Solid Waste | 119,050 | 295,904,708.7 | 2,485.55 | 7/2022 | |
Algonquin Windsor LocksAlgonquin Power (100.00%) | Windsor Locks CDP | Natural Gas | 118,824.03 | 38,359,745.32 | 322.83 |
Quick Facts
Citizens of Connecticut use 4.6 megawatt hours per year each, which is 46th in the country for electricity consumption per person.
Solar power usage in Connecticut has gone up by 23.51% year over year, with 441,837.32 megawatt hours being generated from solar throughout the last year.
With total production of 42,520,250.78 megawatt hours, Connecticut is ranked 35th highest for total generation of all states in the United States.
The total population of Connecticut has decreased by 0.01% in the past 12 months.
CO2 emissions due to the consumption of electricity have decreased by -365,967,020.22 kilograms (3.22%) in Connecticut within the past year.
Connecticut is the 44th worst polluting state based on emissions per capita. The state emits 1,192.71 kilograms per person per year of CO2 gases.
County | Population | Providers | Plants | Residential Rate (¢) | Residential Avg. Electric Bill |
---|---|---|---|---|---|
Fairfield County | 956,446 | 35 | 4 | 23.82 | $170.83/mo |
Hartford County | 898,636 | 31 | 6 | 24.06 | $175.80/mo |
Litchfield County | 185,175 | 30 | 2 | 24.06 | $175.80/mo |
Middlesex County | 164,568 | 30 | 2 | 24.06 | $175.80/mo |
New Haven County | 864,751 | 34 | 5 | 24.64 | $175.34/mo |
New London County | 269,131 | 35 | 11 | 24.01 | $175.41/mo |
Tolland County | 150,120 | 30 | 1 | 24.06 | $175.80/mo |
Windham County | 116,503 | 30 | 4 | 24.06 | $175.80/mo |
On average, Connecticut citizens emit 1,192.71 kilograms of CO2 emissions from electricity consumption, which is the 44th worst per capita emissions rate for a state in the US. Total emissions from electricity consumption in the state is 4,300,440,413.87 kilograms a year, which is the 42nd highest total amount of pollution for a state. Power plants in the state mainly use Natural Gas, which accounts for 24,816,877.09 megawatt hours (or 58.36%) of the fuel sources used for electricity generation in the state. Nuclear and Solar make up 36.64% and 1.04% of generation, respectively. There are 34 power plants in the state of Connecticut, which is the 30th most plants in a state in the United States and translates to the 24th highest number of power plants per person.
Learn about going solar in Connecticut, find out which system size is best for you, compare local installers and see which incentives are available in your area.
Deregulated Cities in Connecticut
- Ansonia, New Haven County
- Ball Pond CDP, Fairfield County
- Baltic CDP, New London County
- Bethel CDP, Fairfield County
- Bethlehem Village CDP, Litchfield County
- Blue Hills CDP, Hartford County
- Branford Center CDP, New Haven County
- Bridgeport, Fairfield County
- Bristol, Hartford County
- Broad Brook CDP, Hartford County
- Byram CDP, Fairfield County
- Canaan CDP, Litchfield County
- Canton Valley CDP, Hartford County
- Cheshire Village CDP, New Haven County
- Chester Center CDP, Middlesex County
- Clinton CDP, Middlesex County
- Colchester CDP, New London County
- Coleytown CDP, Fairfield County
- Collinsville CDP, Hartford County
- Compo CDP, Fairfield County
- Conning Towers Nautilus Park CDP, New London County
- Cos Cob CDP, Fairfield County
- Coventry Lake CDP, Tolland County
- Crystal Lake CDP, Tolland County
- Danbury, Fairfield County
- Daniels Farm CDP, Fairfield County
- Danielson, Windham County
- Darien Downtown CDP, Fairfield County
- Deep River Center CDP, Middlesex County
- Derby, New Haven County
- Durham CDP, Middlesex County
- East Brooklyn CDP, Windham County
- East Hampton CDP, Middlesex County
- East Hartford CDP, Hartford County
- East Haven CDP, New Haven County
- East Village CDP, Fairfield County
- Essex Village CDP, Middlesex County
- Fairfield University CDP, Fairfield County
- Gales Ferry CDP, New London County
- Georgetown CDP, Fairfield County
- Glastonbury Center CDP, Hartford County
- Glenville CDP, Fairfield County
- Greens Farms CDP, Fairfield County
- Greenwich CDP, Fairfield County
- Groton, New London County
- Guilford Center CDP, New Haven County
- Hartford, Hartford County
- Hazardville CDP, Hartford County
- Heritage Village CDP, New Haven County
- Higganum CDP, Middlesex County
- Jewett City, New London County
- Kensington CDP, Hartford County
- Lake Pocotopaug CDP, Middlesex County
- Lakes East CDP, Fairfield County
- Lakes West CDP, Fairfield County
- Lakeville CDP, Litchfield County
- Litchfield, Litchfield County
- Long Hill CDP, New London County
- Long Hill CDP (Fairfield County), Fairfield County
- Lordship CDP, Fairfield County
- Madison Center CDP, New Haven County
- Manchester CDP, Hartford County
- Mansfield Center CDP, Tolland County
- Meriden, New Haven County
- Middletown, Middlesex County
- Milford, New Haven County
- Mill Plain CDP, Fairfield County
- Moodus CDP, Middlesex County
- Moosup CDP, Windham County
- Mystic CDP, New London County
- Naugatuck, New Haven County
- New Britain, Hartford County
- New Canaan CDP, Fairfield County
- New Hartford Center CDP, Litchfield County
- New Haven, New Haven County
- New London, New London County
- New Milford CDP, Litchfield County
- New Preston CDP, Litchfield County
- Newington CDP, Hartford County
- Newtown, Fairfield County
- Niantic CDP, New London County
- Noank CDP, New London County
- Noroton CDP, Fairfield County
- Noroton Heights CDP, Fairfield County
- North Granby CDP, Hartford County
- North Grosvenor Dale CDP, Windham County
- North Haven CDP, New Haven County
- Northford CDP, New Haven County
- Northwest Harwinton CDP, Litchfield County
- Norwalk, Fairfield County
- Norwich, New London County
- Oakville CDP, Litchfield County
- Old Greenwich CDP, Fairfield County
- Old Hill CDP, Fairfield County
- Old Mystic CDP, New London County
- Old Saybrook Center CDP, Middlesex County
- Orange CDP, New Haven County
- Oronoque CDP, Fairfield County
- Oxoboxo River CDP, New London County
- Pawcatuck CDP, New London County
- Pemberwick CDP, Fairfield County
- Plainfield Village CDP, Windham County
- Plantsville CDP, Hartford County
- Plattsville CDP, Fairfield County
- Poplar Plains CDP, Fairfield County
- Poquonock Bridge CDP, New London County
- Portland CDP, Middlesex County
- Putnam CDP, Windham County
- Quinebaug CDP, Windham County
- Quinnipiac University CDP, New Haven County
- Ridgebury CDP, Fairfield County
- Ridgefield CDP, Fairfield County
- Riverside CDP, Fairfield County
- Rockville CDP, Tolland County
- Sacred Heart University CDP, Fairfield County
- Salmon Brook CDP, Hartford County
- Sandy Hook CDP, Fairfield County
- Saugatuck CDP, Fairfield County
- Saybrook Manor CDP, Middlesex County
- Shelton, Fairfield County
- Sherwood Manor CDP, Hartford County
- Simsbury Center CDP, Hartford County
- Somers CDP, Tolland County
- South Coventry CDP, Tolland County
- South Wilton CDP, Fairfield County
- South Windham CDP, Windham County
- South Woodstock CDP, Windham County
- Southport CDP, Fairfield County
- Southwood Acres CDP, Hartford County
- Stafford Springs CDP, Tolland County
- Stamford, Fairfield County
- Staples CDP, Fairfield County
- Stepney CDP, Fairfield County
- Storrs CDP, Tolland County
- Stratford Downtown CDP, Fairfield County
- Suffield Depot CDP, Hartford County
- Tariffville CDP, Hartford County
- Tashua CDP, Fairfield County
- Terryville CDP, Litchfield County
- Thomaston CDP, Litchfield County
- Thompsonville CDP, Hartford County
- Tokeneke CDP, Fairfield County
- Torrington, Litchfield County
- Trumbull Center CDP, Fairfield County
- Wallingford Center CDP, New Haven County
- Waterbury, New Haven County
- Waterford CDP, New London County
- Watertown CDP, Litchfield County
- Wauregan CDP, Windham County
- Weatogue CDP, Hartford County
- West Hartford CDP, Hartford County
- West Haven, New Haven County
- West Simsbury CDP, Hartford County
- Westbrook Center CDP, Middlesex County
- Westport Village CDP, Fairfield County
- Wethersfield CDP, Hartford County
- Willimantic CDP, Windham County
- Wilton Center CDP, Fairfield County
- Windsor Locks CDP, Hartford County
- Winsted CDP, Litchfield County
- Woodbury Center CDP, Litchfield County
FAQ: Common Questions About Electricity in Connecticut
Where does Connecticut get its electricity?
The main fuel type used for electricity production in Connecticut is Natural Gas, making up 58.36% of the fuel used in the state. The second and third most used fuel types are Nuclear and Solar, which account for 36.64% and 1.04% of total generation respectively.
How much does electricity cost in Connecticut?
Anything below the Connecticut average of 25.40 cents per kilowatt hour would be a good electricity rate. The rates in the state range from 15.97 cents to 29.75 cents per kilowatt hour, with Norwalk Third Taxing District currently having the lowest rates.
What is the average electric bill in Connecticut?
In 2023, Connecticut has an average electricity bill of $179, while the United States average is $148.
Which electricity company is the largest supplier in Connecticut?
The largest electricity supplier in Connecticut by megawatt hours sold is Eversource Energy.
What power companies are in Connecticut?
State Customers Rank | Provider | State Customers |
---|---|---|
1 | Eversource Energy | 1,093,579 |
2 | United Illuminating | 291,233 |
3 | Wallingford Electric | 25,213 |
4 | Norwich Public Utilities | 20,641 |
5 | Groton Utilities | 13,852 |
6 | South Norwalk Electric and Water | 7,233 |
7 | Norwalk Third Taxing District | 4,079 |
8 | Bozrah Light and Power | 2,804 |
9 | Jewett City Electric | 2,292 |
Does Connecticut have a deregulated electricity market?
Connecticut has a deregulated electricity market, meaning citizens in the state can usually choose from an abundance of electricity providers for their electricity needs.
How many power plants are within Connecticut?
There are 34 power plants located in Connecticut.
What is the cheapest electricity company in Connecticut?
Residential Rate Rank | Provider | Residential Rate (¢) | State Customers |
---|---|---|---|
1 | Norwalk Third Taxing District | 15.97 | 4,079 |
2 | South Norwalk Electric and Water | 16.02 | 7,233 |
3 | Wallingford Electric | 16.48 | 25,213 |
4 | Jewett City Electric | 18.25 | 2,292 |
5 | Bozrah Light and Power | 18.97 | 2,804 |
6 | Groton Utilities | 19.41 | 13,852 |
7 | Norwich Public Utilities | 20.06 | 20,641 |
8 | United Illuminating | 27.09 | 291,233 |
9 | Eversource Energy | 29.75 | 1,093,579 |
How many electric companies offer service in Connecticut?
Connecticut has 25 electricity suppliers operating in the area.