How reliable is Montana-Dakota Utilities Co?

Montana-Dakota Utilities Co customers averaged 2.9 hours without power in 2024 (SAIDI), which is about average and better than the US average, worse than the North Dakota median (1.7 h), per official US EIA data.

Where does Montana-Dakota Utilities Co rank among US electric utilities?

By official EIA SAIDI, Montana-Dakota Utilities Co is #146 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.

How many customers does Montana-Dakota Utilities Co serve?

Montana-Dakota Utilities Co serves 55 counties across 4 states, per its EIA-861 service territory filing.

Where does Montana-Dakota Utilities Co provide power?

Montana-Dakota Utilities Co operates in Montana, North Dakota, South Dakota, Wyoming. The full list of counties served is below, each linked to its live outage status.

Montana-Dakota Utilities Co: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Montana-Dakota Utilities Co's network.

Montana-Dakota Utilities Co is an investor owned utility serving 55 counties in 4 states. In 2024, its customers went an average of 2.9 hours without power (SAIDI), across about 1.3 interruptions each. That ranks it #146 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and worse than the North Dakota median (1.7 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Montana-Dakota Utilities Co's network.

Official reliability (EIA 2024)

US EIA

2.9 hrs

SAIDI / customer / yr

1.3

SAIFI / yr

2.3 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #146 of 468 US utilities by reliability (#1 = most reliable) · worse than the North Dakota median (1.7 h).

Residential price12.1¢/kWhaverage, US EIA 2024energy trends →

Outage trend · Montana-Dakota Utilities Co

0customers out · peak 12

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Montana-Dakota Utilities Co (55)

Service territory reported to EIA-861; each links to live outage status and history.

Montana-Dakota Utilities Co: FAQ

How reliable is Montana-Dakota Utilities Co?: Montana-Dakota Utilities Co customers averaged 2.9 hours without power in 2024 (SAIDI), which is about average and better than the US average, worse than the North Dakota median (1.7 h), per official US EIA data.
Where does Montana-Dakota Utilities Co rank among US electric utilities?: By official EIA SAIDI, Montana-Dakota Utilities Co is #146 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.
How many customers does Montana-Dakota Utilities Co serve?: Montana-Dakota Utilities Co serves 55 counties across 4 states, per its EIA-861 service territory filing.
Where does Montana-Dakota Utilities Co provide power?: Montana-Dakota Utilities Co operates in Montana, North Dakota, South Dakota, Wyoming. The full list of counties served is below, each linked to its live outage status.

Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: North Dakota.

Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of October 7, 2026 09:00 UTC.