Rates by state / Connecticut
Residential electricity · updated July 2026
Average electric bill in Connecticut
The average Connecticut home paid 28.0¢ per kWh and about $196 a month over the 12 months to July 2026, according to U.S. Energy Information Administration data. That rate is 55% above the U.S. average of 18.0¢, the 7th highest of 50 states and D.C.
Average rate
12 months to Jul 2026. Latest month 24.2¢.
Average bill
Average use × average rate
Average use
Per residential customer
1-year change
5 years: +26.3%
Connecticut electric bills by month
What the average residential customer actually paid each month: total residential revenue ÷ customers. Source: EIA.
| Month | Avg use | Avg rate | Avg bill |
|---|---|---|---|
| July 2026 | 918 kWh | 24.2¢ | $222 |
| June 2026 | 717 kWh | 24.3¢ | $174 |
| May 2026 | 534 kWh | 27.4¢ | $146 |
| April 2026 | 535 kWh | 32.2¢ | $173 |
| March 2026 | 662 kWh | 30.5¢ | $202 |
| February 2026 | 790 kWh | 30.8¢ | $243 |
| January 2026 | 867 kWh | 28.3¢ | $245 |
| December 2025 | 862 kWh | 25.3¢ | $218 |
| November 2025 | 616 kWh | 27.0¢ | $166 |
| October 2025 | 525 kWh | 27.7¢ | $146 |
| September 2025 | 570 kWh | 30.5¢ | $174 |
| August 2025 | 794 kWh | 30.2¢ | $240 |
Typical bill by home size in Connecticut
Monthly use of typical homes, all household sizes, priced at Connecticut's average rate of 28.0¢. Source: EIA RECS 2020 and EIA retail sales.
| Home size | Typical use | Most homes | Typical bill |
|---|---|---|---|
| Under 1,000 sq ft | 346 kWh | 219–526 kWh | $97 |
| 1,000–1,499 sq ft | 490 kWh | 341–702 kWh | $137 |
| 1,500–1,999 sq ft | 613 kWh | 433–860 kWh | $172 |
| 2,000–2,999 sq ft | 720 kWh | 533–1,001 kWh | $201 |
| 3,000+ sq ft | 923 kWh | 682–1,336 kWh | $258 |
Summer and winter months run higher than these yearly averages. Check your own bill to compare a specific month.
Apartment electric bills in Connecticut · Electric bill for one person in Connecticut
What uses the most electricity in Connecticut homes
Average yearly use by purpose for Connecticut homes, priced at 28.0¢ per kWh. Source: EIA RECS 2020 (294 surveyed homes).
- 19% of Connecticut homes heat mainly with electricity. They use about 7,702 kWh a year, against 7,816 kWh in homes heated another way.
Monthly rate, last 5 years
Monthly prices swing with the season because fixed charges are spread over fewer or more kWh.
How much electricity Connecticut homes use
Electricity rates by utility in Connecticut
Average residential revenue per kWh in 2025, largest 15 of 15 by customers. Source: EIA-861.
| Utility | Customers | Rate | Avg use / mo | 1-yr change |
|---|---|---|---|---|
| Connecticut Light & Power Co | 1,193,581 | 28.9¢ | 708 kWh | +1.3% |
| United Illuminating Co | 314,909 | 35.4¢ | 567 kWh | +4.0% |
| Constellation NewEnergy, Inc | 107,124 | 30.8¢* | 754 kWh | +4.7% |
| Town Square Energy | 49,819 | 30.9¢* | 849 kWh | +6.1% |
| Direct Energy Services | 37,918 | 30.0¢* | 773 kWh | +1.7% |
| Think Energy, LLC | 28,746 | 30.5¢* | 824 kWh | +7.0% |
| Town of Wallingford - (CT) | 21,426 | 17.8¢ | 852 kWh | +13.6% |
| City of Norwich - (CT) | 18,967 | 23.4¢ | 633 kWh | +2.5% |
| Groton Dept of Utilities - (CT) | 12,596 | 18.1¢ | 740 kWh | -3.5% |
| XOOM Energy Connecticut, LLC | 8,430 | 32.0¢* | 630 kWh | +6.7% |
| Major Energy Electric Services | 6,374 | 30.6¢* | 805 kWh | +4.3% |
| North American Power and Gas, LLC | 3,243 | 35.3¢* | 644 kWh | +4.0% |
| Bozrah Light & Power Company | 2,440 | 19.8¢ | 857 kWh | +2.2% |
| Reliant Energy Northeast LLC | 105 | 26.9¢* | 837 kWh | +8.8% |
| Energy Plus Holdings LLC | 26 | 27.2¢* | 801 kWh | +10.0% |
* Energy supplier: rate adds the state's average delivery charge, so it's an estimate.
Connecticut electricity: common questions
- What is the average electric bill in Connecticut?
- The average Connecticut household pays about $196 a month for electricity, based on 699 kWh of use at 28.0¢ per kWh over the 12 months to July 2026 (U.S. Energy Information Administration data).
- How much does electricity cost per kWh in Connecticut?
- Residential electricity in Connecticut averaged 28.0¢ per kWh over the 12 months to July 2026, and 24.2¢ in July 2026 alone. That is 55% above the U.S. average of 18.0¢, the 7th highest of the 50 states and D.C. These averages spread fixed service charges and surcharges over each kWh. Sales taxes added to bills may not be included.
- When are electric bills highest in Connecticut?
- In the last 12 months, the average Connecticut bill peaked in January 2026 at $245 and was lowest in October 2025 at $146.
- How much electricity does a 1,500–1,999 sq ft home use in Connecticut?
- A typical Connecticut home of 1,500–1,999 square feet uses about 613 kWh a month, and most use between 433 and 860 kWh. At the state's average rate that is roughly $172 a month. Based on EIA's Residential Energy Consumption Survey (RECS 2020).
- Are electricity rates going up in Connecticut?
- Connecticut's average residential rate changed -7.1% compared with the previous 12 months and +26.3% over five years.
- What uses the most electricity in Connecticut homes?
- In a typical Connecticut home, everything else plugged in uses the most electricity (about 1,449 kWh a year, 19% of the total), followed by air conditioning (15%) and space heating (15%). Homes heated with electricity use about 7,702 kWh a year, compared with 7,816 kWh for homes heated another way. Source: EIA RECS 2020.
- How do I know if my Connecticut electric bill is too high?
- Compare two things: how many kWh you used against similar homes, and what you paid per kWh against the state average. The free bill check on AverageElectricBill.com does both from the numbers on your bill, adjusting for the month and your home's size.
States with similar rates
- Massachusetts 30.4¢
- Maine 29.3¢
- Rhode Island 29.3¢
- New York 28.4¢
- Alaska 26.9¢
- New Hampshire 26.7¢