CMS Electric Coop Inc
Cooperative electric utility · Kansas · #1,443 of 3,199 U.S. utilities by customers · EIA utility #2774
CMS Electric Coop Inc is a cooperative electric utility serving 5,895 customers in Kansas. In 2025 it sold 212 gigawatt-hours of electricity for $27.85M in revenue, an average realized rate of 13.11¢ per kWh across all customer classes and 21.72¢ per kWh for residential customers. Its reported service territory covers 10 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 3,221 | 25.6 | $5.55M | 21.72¢ | |
| Commercial | 2,589 | 107 | $15.40M | 14.39¢ | |
| Industrial | 85 | 79.8 | $6.90M | 8.64¢ | |
| Total | 5,895 | 212 | $27.85M | 13.11¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (662 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 5,863 | 198 | $24.21M | 17.49¢ |
| 2022 | 5,871 | 220 | $28.99M | 19.62¢ |
| 2023 | 5,866 | 199 | $25.45M | 16.88¢ |
| 2024 | 5,885 | 203 | $24.93M | 18.72¢ |
| 2025 | 5,895 | 212 | $27.85M | 21.72¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 219 GWh
Winter peak demand: 34 MW
Energy losses: 3.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 5,895 meters
Counties served
Barber, KSClark, KSComanche, KSFord, KSGray, KSHaskell, KSKiowa, KSMeade, KSSeward, KSStevens, KS
Other large utilities in Kansas
- Evergy Kansas Central, Inc - 399,379 customers, residential 14.56¢
- Evergy Kansas South, Inc - 349,942 customers, residential 14.54¢
- City of Kansas City - (KS) - 69,092 customers, residential 14.93¢
- Midwest Energy Inc - (KS) - 50,200 customers, residential 12.01¢
- Wheatland Electric Coop, Inc - 32,395 customers, residential 15.01¢
- Prairie Land Electric Coop Inc - 24,538 customers, residential 14.79¢
- Victory Electric Coop Assn Inc - 20,569 customers, residential 12.35¢
- FreeState Electric Coop - 19,144 customers, residential 17.84¢
All Kansas utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #2774 in the EIA frame.