Cooperative utility · · SD
Oahe Electric Coop Inc
Outage minutes per customer –min Not reported
Excluding major storm days –min The everyday reliability of the network
Outages per customer a year – SAIFI,
Residential price 10.5¢/kWh 2025 · South Dakota median 12.9¢
Price
Residential cents per kWh
Revenue from full-service residential customers divided by their sales, as reported to the EIA.
Source: U.S. Energy Information Administration, Form EIA-861, 2018–2025. Reliability uses the IEEE 1366 standard where the utility reports it. Residential customers in 2025: 2,335.