Updated with EIA data for August 2026
In August 2026, the average residential electricity rate in Connecticut was 24.51¢ per kilowatt-hour (kWh), 35% higher than the US average of 18.16¢. That makes Connecticut the 11th most expensive of the 50 states and DC. Prices fell 18.8% from August 2025 (30.17¢).
| Year | Avg rate | Avg monthly bill | Avg monthly use |
|---|---|---|---|
| 2026 (8 mo) | 27.47¢ | $201 | 732 kWh |
| 2025 | 29.31¢ | $206 | 704 kWh |
| 2024 | 28.75¢ | $200 | 695 kWh |
| 2023 | 29.88¢ | $203 | 678 kWh |
| 2022 | 24.61¢ | $176 | 716 kWh |
| 2021 | 21.91¢ | $156 | 713 kWh |
| 2020 | 22.71¢ | $162 | 711 kWh |
| 2019 | 21.87¢ | $151 | 689 kWh |
| 2018 | 21.20¢ | $153 | 724 kWh |
| 2017 | 20.29¢ | $140 | 690 kWh |
Rates are weighted by kWh sold. Bills and usage are averages per residential customer.
| Sector | Rate | A year earlier |
|---|---|---|
| Residential | 24.51¢ | 30.17¢ |
| Commercial | 19.29¢ | 23.47¢ |
| Industrial | 16.18¢ | 18.91¢ |
| Transportation | 18.37¢ | 18.67¢ |
| All sectors | 21.62¢ | 26.42¢ |
At Connecticut's 12-month average residential rate of 27.42¢ per kWh, here is the energy cost for common monthly usage levels, next to the US average. Fixed customer charges, taxes and fees vary by utility and are not included.
| Monthly use | Connecticut | US average |
|---|---|---|
| 250 kWh | $68.55 | $45.40 |
| 500 kWh | $137.10 | $90.80 |
| 750 kWh | $205.65 | $136.20 |
| 1,000 kWh | $274.20 | $181.60 |
| 1,500 kWh | $411.30 | $272.40 |
| 2,000 kWh | $548.40 | $363.20 |
Over the last 12 months, the average residential rate ranged from 24.16¢ (July 2026) to 32.24¢ (April 2026), and homes used the most electricity in July 2026 (918 kWh on average).
| Month | Avg rate | Avg bill | Avg use |
|---|---|---|---|
| August 2026 | 24.51¢ | $204 | 834 kWh |
| July 2026 | 24.16¢ | $222 | 918 kWh |
| June 2026 | 24.32¢ | $174 | 716 kWh |
| May 2026 | 27.37¢ | $146 | 534 kWh |
| April 2026 | 32.24¢ | $173 | 535 kWh |
| March 2026 | 30.45¢ | $202 | 664 kWh |
| February 2026 | 30.77¢ | $243 | 790 kWh |
| January 2026 | 28.30¢ | $245 | 867 kWh |
| December 2025 | 25.24¢ | $217 | 861 kWh |
| November 2025 | 26.97¢ | $166 | 615 kWh |
| October 2025 | 27.66¢ | $145 | 524 kWh |
| September 2025 | 30.41¢ | $173 | 570 kWh |
Connecticut's 12-month average rate is lower than all of its neighbors.
| State | 12-mo avg rate | Avg monthly bill | Rank |
|---|---|---|---|
| Connecticut | 27.42¢ | $193 | #7 |
| Massachusetts | 30.39¢ | $183 | #3 |
| New York | 28.60¢ | $168 | #6 |
| Rhode Island | 29.44¢ | $163 | #5 |
| Appliance | Typical wattage | Cost per hour |
|---|---|---|
| Space heater | 750–1,500 W | $0.21–$0.41 |
| Refrigerator | 725 W | $0.20 |
| Clothes dryer | 1,800–5,000 W | $0.49–$1.37 |
| Washing machine | 350–500 W | $0.10–$0.14 |
| Dishwasher | 1,200–2,400 W | $0.33–$0.66 |
| Electric water heater | 4,500–5,500 W | $1.23–$1.51 |
| Microwave | 750–1,100 W | $0.21–$0.30 |
| Window fan | 55–250 W | $0.02–$0.07 |
All appliance costs · Appliance cost calculator for Connecticut
Connecticut has retail electricity choice: in many areas, households can buy their electricity supply from a competitive retail provider instead of the utility's default rate. Your local utility still delivers the power and handles outages. Availability depends on your utility area. Compare the plan rate, contract length, fees and any cancellation charge before you switch.
Each kW of solar panels in Bridgeport produces about 1,291 kWh a year (NREL PVWatts). Sized for an average Connecticut home, a 6.8 kW system would cost about $17,476 before any incentives and pay for itself in about 7.6 years. See the full Connecticut solar estimate.
Switching ProvidersConnecticut lets you choose an electric supplier through the EnergizeCT Rate Board, with bans on residential variable rates and cancellation fees.
Switching ProvidersFixed plans lock your supply price per kWh for a term; variable plans can change monthly. Here is how each works, state rules, and how to choose.
Saving EnergyPractical ways to lower your electric bill, from free thermostat and standby-power fixes to LEDs, insulation and rate plans, each backed by DOE, EPA or EIA guidance.
SolarThe 25D federal credit ended for systems installed after 2025. Here is what now decides whether solar pays off, and how to estimate your own payback.
The average residential electricity rate in Connecticut was 24.51¢ per kWh in August 2026. Over the past 12 months it averaged 27.42¢ per kWh.
The average residential customer in Connecticut paid $204 for 834 kWh in August 2026, based on EIA revenue, sales and customer counts.
In August 2026, Connecticut's average rate of 24.51¢ was 35% higher than the US average of 18.16¢.
Yes, Connecticut has retail electricity choice, so many households can buy supply from a competitive provider. Your utility still delivers the power.
Source: U.S. Energy Information Administration (EIA), Form EIA-861M monthly sales and revenue data. Latest month: August 2026. Recent months may be preliminary and revised by EIA. See how we calculate.