massoutage

2020 South Dakota Power Outage Report

In 2020, the average South Dakota customer went without power for about 4.6 hours — the 30th worst of any US state that year, 1.5× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
4.6
Peak customers out
7,612
Rank (worst state)
30th
Counties affected
20

South Dakota outages over the decade

Average hours without power per customer, 2020 highlighted.

0.7h20150.9h20160.8h20171.1h20183.8h20194.6h20203.4h20216.9h20222.3h20232.3h20246.5h2025

Hardest-hit South Dakota counties in 2020

By peak customers out during the year's worst event.

1Beadle County7,6122Minnehaha County7,5753Lincoln County7,1134Pennington County5,3845Lawrence County4,8026Davison County3,9517Brown County3,1908Brookings County2,2329Spink County2,21910Brule County2,11711Turner County1,47912Charles Mix County1,46413Fall River County1,45914Codington County1,44115Yankton County1,40616Hutchinson County1,33217McCook County1,16018Roberts County1,15519Bon Homme County1,10120Hamlin County1,049

Biggest South Dakota outages of 2020

CountyBeganPeak customers out
Beadle CountyJune 18, 20207,612
Minnehaha CountyOctober 22, 20207,575
Lincoln CountyJanuary 19, 20207,113
Pennington CountyJune 20, 20205,384
Lawrence CountySeptember 8, 20204,802
Minnehaha CountyOctober 4, 20203,983
Davison CountyJune 9, 20203,951
Minnehaha CountyFebruary 19, 20203,443
Brown CountySeptember 16, 20203,190
Minnehaha CountyJune 15, 20202,738
South Dakota by year:20252024202320222021201920182017
Other states in 2020:LAMEOKIAALNC

Part of the 2020 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.