Cooperative utility · · SD

Sioux Valley SW Elec Coop

In 2025, the average Sioux Valley SW Elec Coop customer in South Dakota was without power for 59 minutes (59 min), 55% less than the median South Dakota utility.

Outage minutes per customer 59min 2025, including major storms
Excluding major storm days 59min The everyday reliability of the network
Outages per customer a year 1.64 SAIFI, 2025
Residential price 13.9¢/kWh 2025 · South Dakota median 12.9¢

Reliability

Minutes in the dark, year by year

Average minutes without power per customer in South Dakota (SAIDI), with and without major event days, against the median South Dakota utility.

0 500 1,000 1,500 20182019202020212022202320242025 All days 59 No major storms 59 SD median 130

Price

Residential cents per kWh

Revenue from full-service residential customers divided by their sales, as reported to the EIA.

0.0 5.0 10.0 15.0 20.0 20182019202020212022202320242025 This utility 13.9 SD median 12.9

Territory

Counties served

Counties where Sioux Valley SW Elec Coop reports customers. Open one for its full outage history.

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: 26,360.