Sioux Valley SW Elec Coop, SD
Power reliability at Sioux Valley SW Elec Coop
Sioux Valley SW Elec Coop customers in South Dakota rarely lose power at all: 1.6 interruptions last year, adding up to just 59 minutes without electricity over the whole year. That is 78% less outage time than the South Dakota state average of 4.5 hours a year.
Outage length, and what it means for a generator
A single outage here averages 36 minutes. That is squarely in battery-power-station range; a fuel generator is overkill for most of these. More on that split in how often versus how long an outage runs.
The generator question for Sioux Valley SW Elec Coop
Serving 26,620 customers here, With a record this steady, Sioux Valley SW Elec Coop customers rarely have a reason to shop for a backup generator at all.
The source behind this number
These figures come from EIA Form 861, the reliability report a member-owned cooperative like Sioux Valley SW Elec Coop files with federal regulators every year - serving 26,620 customers hereaveraged across the whole territory, not any one address or storm. Want the South Dakota average instead of just this one utility? South Dakota's statewide record is here. One big storm can move a single year a lot; major event days explains how.