Power outages in Grant County, SD

We don't have a live outage feed for the utilities serving Grant County yet. Montana-Dakota Utilities Co, Otter Tail Power Co and WAPA-- Western Area Power Administration serve this county.

Right now

No live outage data for Grant County yet.

Montana-Dakota Utilities Cono live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Otter Tail Power Cono live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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WAPA-- Western Area Power Administrationno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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City of Big Stone City - (SD)no live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Codington-Clark Elec Coop, Incno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Outage map

No live outage feed here yet
County outline

Outage history in Grant County

2014–2025 record

Grant County averaged 8.3 significant outages a year in 2023–2025, about typical for South Dakota counties.

In the 12 months to December 2025, there were 11. Half were over within 1.5 hours; the longest lasted 8 hours, starting June 18, 2025.

The largest on record began April 7, 2025, with 1,916 customers out at once.

Outages are most common in May.

8.3significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
20 hourslongest on record (July 2022)
1,916most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
April 7, 20251,9161 hour1,842
August 12, 20251,9103 hours5,044
January 17, 20251,82115 minutes455
August 21, 20241,67445 minutes1,217
July 20, 20221,49520 hours30,235

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.