massoutage

2018 South Dakota Power Outage Report

In 2018, the average South Dakota customer went without power for about 1.1 hours — the 49th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.1
Peak customers out
13,253
Rank (worst state)
49th
Counties affected
20

South Dakota outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit South Dakota counties in 2018

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

1Minnehaha County13,2532Pennington County4,9633Lawrence County1,8234Butte County1,6965Meade County1,6516Moody County8997Perkins County7638Hanson County7229Walworth County64110Brookings County55011Lincoln County55012Edmunds County52113Turner County47314McCook County38615Fall River County35116Lake County18017Corson County14218Campbell County10419Jackson County7920Miner County77

Biggest South Dakota outages of 2018

CountyBeganPeak customers out
Minnehaha CountyMay 7, 201813,253
Minnehaha CountyApril 12, 20188,878
Minnehaha CountyNovember 30, 20186,048
Pennington CountyMay 8, 20184,963
Minnehaha CountyDecember 29, 20184,384
Pennington CountyOctober 8, 20184,021
Minnehaha CountyJanuary 2, 20183,994
Minnehaha CountyOctober 7, 20183,544
Pennington CountyDecember 26, 20182,695
Minnehaha CountyMay 6, 20181,901
South Dakota by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.