Electricity rates in Connecticut
Updated 2026-10-21 with EIA data through July 2026
Homes in Connecticut paid an average of 27.99¢ per kWh over the last 12 months, up from 20.01¢ in 2016. Businesses paid 22.19¢ and industry 18.04¢. Electricity is deregulated here, so you can shop for a supplier.
What things cost to run in Connecticut
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Connecticut electricity price trend
Annual average residential price, 2010–2025. Since 2016, prices have risen +47%.
Choosing a provider in Connecticut
Eversource and United Illuminating customers can choose a supplier.
Competitive suppliers in Connecticut charged homes an average of 11.22¢/kWh for supply in 2025, before the utility's delivery charges (delivery-only customers paid about 18.06¢/kWh on average). Compare a supplier's offer with your utility's default "price to compare" on your bill.
Official state comparison site Compare Connecticut providers
Power outages in Connecticut right now
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Electric utilities in Connecticut
9 utilities serve homes in Connecticut. Rates are average residential revenue per kWh, so they include fixed charges. Click a utility for rate plans, outage history and its service map.
Click or tap a county to see the electric companies that serve it.
| Utility | Type | Homes served | Rate | Avg bill | Outage min/yr |
|---|---|---|---|---|---|
| Connecticut Light & Power Co. | Investor-owned | 995K | 27.53¢ | $186 | 217 |
| United Illuminating Co. | Investor-owned | 261K | 33.26¢ | $172 | 73 |
| Town of Wallingford | Municipal | 21K | 18.30¢ | $156 | 53 |
| City of Norwich | Municipal | 19K | 22.25¢ | $141 | 169 |
| Groton Dept of Utilities | Municipal | 13K | 18.97¢ | $140 | 71 |
| City of South Norwalk | Municipal | 7,439 | 17.93¢ | $204 | — |
| Norwalk Third Taxing District | Municipal | 4,139 | 17.17¢ | $248 | — |
| City of Jewett City | Municipal | 2,701 | 18.54¢ | $148 | — |
| Bozrah Light & Power Company | Municipal | 2,440 | 18.82¢ | $161 | 126 |
Retail electricity providers in Connecticut
| Provider | Homes | Supply rate |
|---|---|---|
| Constellation NewEnergy | 107K | 11.30¢ |
| Town Square Energy | 50K | 11.34¢ |
| Direct Energy Services | 38K | 10.55¢ |
| Think Energy | 29K | 10.98¢ |
| XOOM Energy Connecticut | 8,430 | 12.48¢ |
| Major Energy Electric Services | 6,374 | 11.12¢ |
| North American Power and Gas | 3,243 | 15.58¢ |
| Reliant Energy Northeast | 105 | 7.59¢ |
| Energy Plus Holdings | 26 | 7.85¢ |
| NextEra Energy Services | 0 | — |
| First Point Power | 0 | — |
| Champion Energy Services | 0 | — |
| Eligo Energy | 0 | — |
| MP2 Energy | 0 | — |
| Calpine Energy Solutions | 0 | — |
| Direct Energy Business | 0 | — |
| ENGIE Resources | 0 | — |
| Texas Retail Energy | 0 | — |
| SmartestEnergy US | 0 | — |
| Grid Power Direct | 0 | — |
| BP Energy Retail | 0 | — |
Average revenue per kWh from residential customers in 2025 (EIA-861), adjusted to current state trend.
Connecticut vs. neighboring states
Energy costs at a glance
| Natural gas (homes) | $2.00/therm |
| Gasoline (regular) | $4.25/gal |
| Driving cost: EV vs. gas | 8.7¢ vs. 15¢/mi |
| Solar output (1 kW, Bridgeport) | 1,291 kWh/yr |
| Avg. outage time (2025) | 3 hr 4 min/yr |
| Commercial rate | 22.19¢ |
| Industrial rate | 18.04¢ |
What appliances cost to run in Connecticut
| Appliance | Per month | Per year | vs. U.S. |
|---|---|---|---|
| Space heater | $46.16 | $231 | +$82 |
| Central air conditioner | $161 | $805 | +$288 |
| Refrigerator | $11.66 | $140 | +$50 |
| Electric car | $104 | $1,248 | +$446 |
| Electric clothes dryer | $19.19 | $230 | +$82 |
| Electric water heater | $105 | $1,260 | +$450 |
| Hot tub | $69.97 | $840 | +$300 |
| TV | $3.49 | $42 | +$15 |
| Pool pump (single-speed) | $116 | $579 | +$207 |
| Heat pump | $286 | $1,431 | +$511 |
Electricity rates by city in Connecticut
- Bridgeport
- New Haven
- Stamford
- North Stamford
- Hartford
- Waterbury
- Norwalk
- Danbury
- East Norwalk
- New Britain
- West Hartford
- Bristol
- Meriden
- Hamden
- Fairfield
- West Haven
- Milford
- Stratford
- City of Milford (balance)
- East Hartford
- Middletown
- Enfield
- Southington
- Shelton
- Norwich
- Trumbull
- West Torrington
- Torrington
- Glastonbury
- Naugatuck
- Manchester
- Newington
- Cheshire
- Branford
- East Haven
- Windsor
- New London
- Wethersfield
- Mansfield City
- Westport
- Farmington
- South Windsor
- North Haven
- Windham
- Guilford
- Bloomfield
- Darien
- Montville Center
- Southbury
- New Canaan
- Waterford
- Madison
- Avon
- Ansonia
- Wallingford Center
- Wilton
- Willimantic
- Wallingford
- Plainville
- Killingly Center
- Wolcott
- Seymour
- Plainfield
- Storrs
- Ledyard
- Tolland
- Ellington
- North Branford
- New Fairfield
- Orange
- Cromwell
- Greenwich
- Derby
- Windsor Locks
- Plymouth
- Stafford
- Oxford
- Winchester Center
- Old Saybrook
- Woodbury
- Bethel
- Prospect
- Thompson
- Woodbridge
- Hebron
- Groton
- Oakville
- East Haddam
- Conning Towers-Nautilus Park
- Thompsonville
Frequently asked questions
What is the average electricity rate in Connecticut?
The average residential rate in Connecticut was 27.99¢ per kWh over the 12 months ending July 2026. That is 56% above the U.S. average of 17.99¢. In July 2026 alone it was 24.16¢, -12.5% from a year earlier.
What is the average electric bill in Connecticut?
About $197 a month. The average Connecticut home uses 704 kWh a month (EIA 2025), and we priced that at the current average rate. Bills vary with your utility, home size, heating type and season.
Is electricity expensive in Connecticut?
Connecticut ranks 45th cheapest of 51 (50 states plus DC) for residential electricity. That puts it among the most expensive states.
Can I choose my electricity provider in Connecticut?
Yes. Eversource and United Illuminating customers can choose a supplier. The state's official comparison site is energizect.com.
Which electric company is cheapest in Connecticut?
Among utilities with at least 1,000 residential customers, Norwalk Third Taxing District has the lowest average rate at 17.17¢/kWh. The highest is United Illuminating Co. at 33.26¢. Most homes can't switch utilities, since your address determines which one serves you.
How reliable is the power grid in Connecticut?
In 2025, the average Connecticut customer was without power for 3 hr 4 min (SAIDI, including major storms) across about 0.9 outages. Excluding major event days it was 77 min. Figures are customer-weighted across utilities that report to EIA.
Sources: EIA-861M monthly sales and revenue (through July 2026), EIA-861 2025 utility data, EIA fuel prices, NREL PVWatts. Methodology.