Sumner-Cowley Electric Co-op electricity rates
Electric cooperative · Kansas
Sumner-Cowley Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 4,586 homes in Kansas. Its residential customers pay an average of 16.64¢/kWh including fixed and delivery charges, 8% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Sumner-Cowley Electric Co-op bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $83.20 |
| 1,000 kWh | $166.40 |
| 1,500 kWh | $249.60 |
| 2,000 kWh | $332.80 |
Sumner-Cowley Electric Co-op rate history
2015–2025: +4% change in the average residential rate (15.38¢ → 16.05¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
Sumner-Cowley Electric Co-op doesn't report reliability metrics to EIA (common for small utilities).
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Sumner-Cowley Electric Co-op's counties, customers averaged 3 hr 57 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Sedgwick | 264 | 47 | 36,943 | 2025-06-17 |
| Sumner | 168 | 21 | 838 | 2025-06-21 |
| Cowley | 164 | 12 | 3,918 | 2025-06-07 |
| Butler | 153 | 27 | 2,830 | 2025-06-18 |
| Kingman | 62 | 5 | 373 | 2025-06-07 |
| Harper | 56 | 4 | 116 | 2025-01-05 |
Sumner-Cowley Electric Co-op service area
Sumner-Cowley Electric Co-op serves 6 counties in Kansas and 2 ZIP codes.
Butler, Cowley, Harper, Kingman, Sedgwick, Sumner
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Sumner-Cowley Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $13,349,000 |
| Electricity sold (2025) | 83,145 MWh |
| Balancing authority | SWPP |
| EIA utility ID | 18316 |
Other utilities in Kansas
Frequently asked questions
What is Sumner-Cowley Electric Co-op's electricity rate?
Sumner-Cowley Electric Co-op residential customers pay an average of 16.64¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 10% above the Kansas average of 15.09¢ and 8% below the U.S. average.
What is the average Sumner-Cowley Electric Co-op electric bill?
About $251 a month. The average Sumner-Cowley Electric Co-op home uses 1,511 kWh a month. At 1,000 kWh the bill would be about $166.
How many customers does Sumner-Cowley Electric Co-op have?
Sumner-Cowley Electric Co-op serves 4,586 residential customers in Kansas, across 6 counties.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Sumner-Cowley Electric Co-op before making decisions.