Cass County Elec Coop Inc
Cooperative electric utility · North Dakota · #311 of 3,199 U.S. utilities by customers · EIA utility #24949
Cass County Elec Coop Inc is a cooperative electric utility serving 60,646 customers in North Dakota. In 2025 it sold 1,387 gigawatt-hours of electricity for $162.61M in revenue, an average realized rate of 11.72¢ per kWh across all customer classes and 12.66¢ per kWh for residential customers. Its reported service territory covers 8 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 | 52,785 | 655 | $82.89M | 12.66¢ | |
| Commercial | 7,264 | 497 | $55.73M | 11.22¢ | |
| Industrial | 597 | 236 | $23.99M | 10.18¢ | |
| Total | 60,646 | 1,387 | $162.61M | 11.72¢ |
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 (1,034 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 55,199 | 1,306 | $142.18M | 12.02¢ |
| 2022 | 56,631 | 1,368 | $150.89M | 11.81¢ |
| 2023 | 58,221 | 1,365 | $152.52M | 11.96¢ |
| 2024 | 59,687 | 1,358 | $155.87M | 12.45¢ |
| 2025 | 60,646 | 1,387 | $162.61M | 12.66¢ |
Reliability (2025)
Average outage time (SAIDI): 300 minutes per customer per year
Average outages (SAIFI): 0.77 per customer
Average restoration time (CAIDI): 390 minutes
As reported for North Dakota under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 1,433 GWh
Winter peak demand: 287 MW
Energy losses: 3.1% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 60,646 meters
Customer-sited generation (net metering): 190 installations, 0.9 MW of capacity
Counties served
Barnes, NDCass, NDDickey, NDLaMoure, NDRansom, NDRichland, NDSargent, NDTraill, ND
Other large utilities in North Dakota
- Montana-Dakota Utilities Co - 146,550 customers, residential 11.47¢
- Capital Electric Coop, Inc - 22,758 customers, residential 13.53¢
- Nodak Electric Coop Inc - 21,260 customers, residential 12.69¢
- Mountrail-Williams Elec Coop - 19,199 customers, residential 7.25¢
- Verendrye Electric Coop Inc - 16,815 customers, residential 11.19¢
- Roughrider Electric Cooperativ - 15,326 customers, residential 10.82¢
- McKenzie Electric Coop Inc - 13,829 customers, residential 8.03¢
- Northern Plains Electric Coop - 12,127 customers, residential 10.88¢
All North Dakota utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #24949 in the EIA frame.