Colorado · Cooperative
CORE Electric Cooperative
15.62¢ per kWh, bundled, EIA-861 2025. Average bill $131.72 at 843.4 kWh a month, across 168,587 customers on that row.
Colorado averaged 15.69¢/kWh and $103.30 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: 168,587, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$156.20
15.62¢/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 | 13.06¢ | $116.36 | 890.8 | 136,251 |
| 2016 | 13.05¢ | $116.45 | 892.3 | 138,688 |
| 2017 | 13.09¢ | $113.81 | 869.1 | 141,774 |
| 2018 | 13.06¢ | $115.01 | 880.9 | 145,371 |
| 2019 | 13.12¢ | $113.54 | 865.3 | 148,618 |
| 2020 | 13.05¢ | $118.17 | 905.3 | 151,959 |
| 2021 | 13.47¢ | $121.18 | 899.5 | 155,798 |
| 2022 | 14.28¢ | $128.16 | 897.2 | 158,050 |
| 2023 | 14.53¢ | $122.56 | 843.8 | 161,800 |
| 2024 | 15.04¢ | $129.93 | 863.6 | 165,067 |
| 2025 | 15.62¢ | $131.72 | 843.4 | 168,587 |
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
Adams, Arapahoe, Chaffee, Clear Creek, Douglas, El Paso, Elbert, Fremont, Jefferson, Park, Teller.
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