How reliable is Black Hills Power, Inc.?

Black Hills Power, Inc. customers averaged 0.7 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the South Dakota median (1.4 h), per official US EIA data.

Where does Black Hills Power, Inc. rank among US electric utilities?

By official EIA SAIDI, Black Hills Power, Inc. is #10 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 Black Hills Power, Inc. serve?

Black Hills Power, Inc. serves 11 counties across 3 states, per its EIA-861 service territory filing.

Where does Black Hills Power, Inc. provide power?

Black Hills Power, Inc. operates in Montana, South Dakota, Wyoming. The full list of counties served is below, each linked to its live outage status.

Black Hills Power, Inc.: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Black Hills Power, Inc.'s network.

Black Hills Power, Inc. is an investor owned utility serving 11 counties in 3 states. In 2024, its customers went an average of 0.7 hours without power (SAIDI), across about 0.7 interruptions each. That ranks it #10 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and better than the South Dakota median (1.4 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Black Hills Power, Inc.'s network.

Official reliability (EIA 2024)

US EIA

0.7 hrs

SAIDI / customer / yr

0.7

SAIFI / yr

57 min

CAIDI / outage

better than the US average (US 11.0h)

Ranks #10 of 468 US utilities by reliability (#1 = most reliable) · better than the South Dakota median (1.4 h).

Residential price14.3¢/kWhaverage, US EIA 2024energy trends →

Reliability over time

Official EIA SAIDI, hours without power per customer per year (IEEE, incl. major events). Over this period Black Hills Power, Inc.’s reliability has been improving (lower is better).

Outage trend · Black Hills Power, Inc.

0customers out · peak 47

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Black Hills Power, Inc. (11)

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

Black Hills Power, Inc.: FAQ

How reliable is Black Hills Power, Inc.?: Black Hills Power, Inc. customers averaged 0.7 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the South Dakota median (1.4 h), per official US EIA data.
Where does Black Hills Power, Inc. rank among US electric utilities?: By official EIA SAIDI, Black Hills Power, Inc. is #10 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 Black Hills Power, Inc. serve?: Black Hills Power, Inc. serves 11 counties across 3 states, per its EIA-861 service territory filing.
Where does Black Hills Power, Inc. provide power?: Black Hills Power, Inc. operates in Montana, 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: South 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.