New Hampshire · Investor Owned
Unitil Energy Systems
21.72¢ per kWh, bundled, EIA-861 2025. Average bill $130.56 at 601.0 kWh a month, across 24,452 customers on that row.
New Hampshire averaged 24.53¢/kWh and $156.94 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: 44,629, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$217.20
21.72¢/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.
Other service rows
Delivery and bundled prices cover different charges, so they are listed separately.
| Row | ¢/kWh | Bill | kWh | Customers |
|---|---|---|---|---|
| Delivery only | 11.48¢ | $73.17 | 637.5 | 44,629 |
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 18.68¢ | $115.17 | 616.5 | 56,786 |
| 2016 | 15.52¢ | $92.65 | 597.1 | 57,404 |
| 2017 | 16.48¢ | $98.95 | 600.5 | 57,909 |
| 2018 | 18.09¢ | $115.11 | 636.3 | 58,964 |
| 2019 | 18.70¢ | $112.15 | 599.7 | 60,190 |
| 2020 | 18.17¢ | $115.46 | 635.5 | 61,462 |
| 2021 | 18.87¢ | $120.15 | 636.6 | 62,197 |
| 2022 | 24.23¢ | $150.04 | 619.2 | 62,313 |
| 2023 | 32.47¢ | $190.78 | 587.5 | 55,907 |
| 2024 | 23.33¢ | $143.57 | 615.4 | 39,656 |
| 2025 | 21.72¢ | $130.56 | 601.0 | 24,452 |
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
Merrimack, Rockingham.
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