North Dakota · Cooperative
Cass County Elec Coop Inc
12.66¢ per kWh, bundled, EIA-861 2025. Average bill $130.85 at 1,033.9 kWh a month, across 52,785 customers on that row.
North Dakota averaged 11.82¢/kWh and $126.40 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: 52,785, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$126.60
12.66¢/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 | 10.94¢ | $124.98 | 1,142.5 | 40,013 |
| 2016 | 11.38¢ | $124.42 | 1,092.9 | 41,962 |
| 2017 | 11.63¢ | $124.16 | 1,067.8 | 43,093 |
| 2018 | 11.61¢ | $131.09 | 1,129.2 | 44,189 |
| 2019 | 11.64¢ | $128.90 | 1,107.0 | 45,401 |
| 2020 | 11.75¢ | $126.75 | 1,079.0 | 46,541 |
| 2021 | 12.02¢ | $125.13 | 1,041.4 | 48,081 |
| 2022 | 11.81¢ | $129.98 | 1,100.2 | 49,333 |
| 2023 | 11.96¢ | $124.99 | 1,045.5 | 50,699 |
| 2024 | 12.45¢ | $122.93 | 987.6 | 51,968 |
| 2025 | 12.66¢ | $130.85 | 1,033.9 | 52,785 |
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
Barnes, Cass, Dickey, LaMoure, Ransom, Richland, Sargent, Traill.
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