Independent profile. Kilowatt Atlas is not affiliated with CORE Electric Cooperative, does not use its logo or branding and cannot take payments, start service or look up accounts. Figures come from public federal data for 2025.
Residential customers
169 thousand
168,587 homes
Average price
15.62 cents
Colorado average 15.69
Average bill
$131.72
Per month at 843 kWh
Price rank
11 of 23
Lowest to highest in Colorado
CORE Electric Cooperative rates and average bill
CORE Electric Cooperative reported 168,587 residential customers on bundled service in 2025, using 843 kWh a month on average at 15.62 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 23 Colorado utilities with at least 10,000 bundled residential customers, CORE Electric Cooperative ranks 11 from the lowest price.
| Average | Cents per kWh | kWh per month | Monthly bill |
|---|---|---|---|
| CORE Electric Cooperative | 15.62 | 843 | $131.72 |
| Colorado (all utilities) | 15.69 | 658 | $103.30 |
| United States | 17.23 | 874 | $150.68 |
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.
Service area
EIA lists the counties where CORE Electric Cooperative has distribution equipment. That covers 11 counties in Colorado. A county can be served by more than one utility, so confirm your address with the utility or your bill.
Colorado (11 counties)
Adams, Arapahoe, Chaffee, Clear Creek, Douglas, El Paso, Elbert, Fremont, Jefferson, Park, Teller
Not sure who serves your address? Use find my electric company.
Reliability
For 2025, CORE Electric Cooperative reported an average of 52 minutes without power per customer and 0.57 interruptions per customer, with major event days left out. The typical interruption lasted about 92 minutes. For comparison, the median state averaged 127 minutes of outage per customer.
CORE Electric Cooperative had about 75 fewer minutes of outage per customer than the median state. The Colorado figure across its utilities was 119 minutes. One interruption lasting 92 minutes and 0.57 interruptions a year per customer add up to the 52 minute total.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.
Rate options and rooftop solar
- Time-of-use pricing. CORE Electric Cooperative reports a residential time-of-use pricing program in its 2025 EIA filing, with about 89 residential customers enrolled in dynamic pricing programs of all kinds. Ask the utility which rate schedules you qualify for. How time-of-use rates work.
- Rooftop solar and net metering. EIA shows 10,448 residential net-metered systems on the CORE Electric Cooperative grid in 2025, with 59.1 megawatts of capacity. How net metering works.
Who owns and regulates it
Owned by the members it serves. An elected board sets the rates, and members may receive capital credits when the co-op has margins to return.
For questions about state consumer protections, see the Colorado Public Utilities Commission.
CORE Electric Cooperative is an electric cooperative based in Colorado.
CORE Electric Cooperative compared with Colorado
By residential customers, CORE Electric Cooperative ranks 3rd of the 28 utilities that report homes in Colorado, with about 6.5% of the state's homes. Its price of 15.62 cents per kWh is about the same as the median of 19 other cooperatives in Colorado (15.71 cents). Over a year, the typical CORE Electric Cooperative bill runs about $341 above the state average, with monthly use 185 kWh higher. CORE Electric Cooperative lists distribution equipment in 11 counties, so check your county and your bill before you assume it serves you. 10,448 of its residential customers use net metering, or 62.0 per 1,000 homes, against 76.1 for Colorado as a whole.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Colorado with at least 1,000 residential customers and a reported price.
Other Colorado utilities
| Utility | Type | Homes | Cents per kWh |
|---|---|---|---|
| CORE Electric Cooperative | Cooperative | 168,587 | 15.62 |
| Xcel Energy Colorado | Investor-owned | 1,379,910 | 15.90 |
| Colorado Springs Utilities | Municipal | 220,059 | 15.43 |
| United Power | Cooperative | 103,104 | 16.50 |
| Black Hills Colorado Electric | Investor-owned | 97,888 | 18.71 |
| City of Fort Collins | Municipal | 71,804 | 14.34 |
See every one on the electric companies in Colorado page.
Official site and where to get help
Kilowatt Atlas is not CORE Electric Cooperative and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.
- Want to understand a line on your bill? Read how to read your electric bill.
- Think your bill is high? Try the bill checker.
CORE Electric Cooperative questions
What is the average residential electric rate for CORE Electric Cooperative?
CORE Electric Cooperative residential customers on bundled service paid an average of 15.62 cents per kWh in 2025, with average use of 843 kWh a month and an average bill of $131.72 (EIA Form EIA-861). The Colorado average was 15.69 cents.
How many customers does CORE Electric Cooperative have?
EIA reports about 168,587 residential customers for CORE Electric Cooperative in 2025.
Who regulates CORE Electric Cooperative?
Owned by the members it serves. An elected board sets the rates, and members may receive capital credits when the co-op has margins to return. See the regulator for Colorado on the Colorado state page.
How reliable is CORE Electric Cooperative?
For 2025, CORE Electric Cooperative reported an average of 52 minutes of outage per customer and 0.57 interruptions per customer, excluding major event days (IEEE 1366). Utilities measure outages in slightly different ways, so compare with care.