Connecticut · Municipal
Town of Wallingford - (CT)
17.78¢ per kWh, bundled, EIA-861 2025. Average bill $151.51 at 852.3 kWh a month, across 21,426 customers on that row.
Connecticut averaged 29.31¢/kWh and $206.46 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 21,426, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$177.80
17.78¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 12.80¢ | $108.15 | 845.1 | 21,131 |
| 2016 | 12.87¢ | $106.42 | 826.6 | 21,169 |
| 2017 | 13.52¢ | $109.68 | 811.1 | 21,264 |
| 2018 | 13.79¢ | $117.68 | 853.2 | 21,361 |
| 2019 | 14.11¢ | $114.09 | 808.5 | 21,536 |
| 2020 | 13.09¢ | $108.94 | 832.2 | 21,614 |
| 2021 | 13.57¢ | $113.78 | 838.3 | 21,589 |
| 2022 | 15.81¢ | $134.41 | 850.3 | 21,543 |
| 2023 | 16.73¢ | $136.74 | 817.5 | 21,370 |
| 2024 | 15.65¢ | $129.64 | 828.3 | 21,405 |
| 2025 | 17.78¢ | $151.51 | 852.3 | 21,426 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
New Haven.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool