How reliable is Wisconsin Public Service Corp?

Wisconsin Public Service Corp customers averaged 7.8 hours without power in 2024 (SAIDI), which is below average and better than the US average, worse than the Wisconsin median (4.9 h), per official US EIA data.

Where does Wisconsin Public Service Corp rank among US electric utilities?

By official EIA SAIDI, Wisconsin Public Service Corp is #325 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 Wisconsin Public Service Corp serve?

Wisconsin Public Service Corp serves 23 counties across Wisconsin, per its EIA-861 service territory filing.

Where does Wisconsin Public Service Corp provide power?

Wisconsin Public Service Corp operates in Wisconsin. The full list of counties served is below, each linked to its live outage status.

Wisconsin Public Service Corp: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Wisconsin Public Service Corp's network.

Wisconsin Public Service Corp is an investor owned utility serving 23 counties in Wisconsin. In 2024, its customers went an average of 7.8 hours without power (SAIDI), across about 1.2 interruptions each. That ranks it #325 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 Wisconsin median (4.9 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Wisconsin Public Service Corp's network.

Official reliability (EIA 2024)

US EIA

7.8 hrs

SAIDI / customer / yr

1.2

SAIFI / yr

6.4 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #325 of 468 US utilities by reliability (#1 = most reliable) · worse than the Wisconsin median (4.9 h).

Residential price16.2¢/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 Wisconsin Public Service Corp’s reliability has been improving (lower is better).

Outage trend · Wisconsin Public Service Corp

0customers out · peak 180

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Wisconsin Public Service Corp (23)

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

Wisconsin Public Service Corp: FAQ

How reliable is Wisconsin Public Service Corp?: Wisconsin Public Service Corp customers averaged 7.8 hours without power in 2024 (SAIDI), which is below average and better than the US average, worse than the Wisconsin median (4.9 h), per official US EIA data.
Where does Wisconsin Public Service Corp rank among US electric utilities?: By official EIA SAIDI, Wisconsin Public Service Corp is #325 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 Wisconsin Public Service Corp serve?: Wisconsin Public Service Corp serves 23 counties across Wisconsin, per its EIA-861 service territory filing.
Where does Wisconsin Public Service Corp provide power?: Wisconsin Public Service Corp operates in Wisconsin. 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: Wisconsin.

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.