– 0% of Logan out 0 customers out in North Dakota

Power outage history

Logan County North Dakota

10hours

without power for the average customer in a typical year, 2018–2025

5th most of 13 in North Dakota 1.6× the national median

Worst outage on record Dec 28, 2023 41% of customers out · 90% back in 20 hours
Hours without power, average customer per year 10h / yr State average 2.1 h · national median 6.6 h
Major outages a year 7.3 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 2hours Median across major outages, from the peak
Longest single outage 4.0days Dec 26, 2023, over 1% of customers out
Outage hours on storm days 46% Share falling on days with a NOAA storm report here
Worst year 2023 24 hours without power, average customer
Electricity customers 1,244 ORNL customer model · 6 well-covered years

Every day since 2015

Eleven years, one night at a time

Each cell is a day. The brighter it is, the larger the share of Logan's customers who were without power at that day's worst moment.

20152016201720182019202020212022202320242025
0%100% of customers out

Year by year

Hours in the dark, per customer

2023 was the worst well-recorded year, at 24 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Logan, hours without power per customer

LoganUS median countyNorth Dakota average
0 10 20 30 ’17 0.9 ’18 ’19 ’20 6.2 ’21 14 ’22 24 ’23 8.9 ’24 8.0 ’25 US 6.6 ND 2.1

The record

The biggest outages since 2015

Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.

Began Storm Peak out Share Lasted 90% restored Customer-hours
Dec 26, 2023 Ice storm 513 41% 4.0 d 20 h 24k
Feb 4, 2022 No storm report 360 29% 32 h 31 h 9.2k
May 22, 2025 No storm report 272 22% 10 h 10 h 2.7k
Aug 18, 2022 No storm report 132 11% 20 h 20 h 2.6k
Jun 20, 2025 No storm report 346 28% 9.2 h 7.8 h 2.4k
Aug 14, 2021 No storm report 475 38% 3.5 h 1.2 h 1.6k
Feb 3, 2021 Ice storm 360 29% 13 h 7.5 h 1.3k
Dec 29, 2025 No storm report 348 28% 3.5 h 4.5 h 1.1k
Jul 29, 2024 Thunderstorms 307 25% 3.5 h 5.0 h 985
Dec 5, 2023 No storm report 349 28% 3.0 h 48 min 960
Jul 8, 2020 No storm report 467 38% 2.0 h 2.0 h 822
Jun 29, 2022 No storm report 472 38% 1.8 h 1.0 h 819

After the peak

How fast the lights come back

Each line is one major outage, from its peak. The amber line is the typical path.

0% 25% 50% 75% 100% peak+24h+48h+72h+96h half back by +4h 90% by +4h

When it happens

The outage clock

Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.

00061218 Jan inside

What was happening

Weather behind the outages

Each outage is matched to NOAA storm reports for Logan from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 54%
  • Ice storm 42%
  • Thunderstorms 3.2%
  • Winter storm 0.9%

Who keeps the lights on

Utilities serving Logan

As each utility reports to the Energy Information Administration for its whole North Dakota territory, not this county alone. Outage minutes include major storm days.

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Montana-Dakota Utilities Co Investor Owned 95 65 0.81 11.1 80k
Otter Tail Power Co Investor Owned 575 132 2.03 11.1 45k
KEM Electric Coop Inc ND – – – 12.5 43k
Dakota Valley Elec Coop Inc Cooperative 64 50 0.34 12.7 5.8k

EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.

Next door

Neighbouring counties

Across North Dakota

Where it is darkest

Hours / yr64+

All North Dakota counties →

About these numbers

Notes

Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 1,244 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →