How reliable is Rock Energy Cooperative?

Rock Energy Cooperative customers averaged 0.9 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the Illinois median (2.6 h), per official US EIA data.

Where does Rock Energy Cooperative rank among US electric utilities?

By official EIA SAIDI, Rock Energy Cooperative is #24 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 Rock Energy Cooperative serve?

Rock Energy Cooperative serves 8 counties across Illinois and Wisconsin, per its EIA-861 service territory filing.

Where does Rock Energy Cooperative provide power?

Rock Energy Cooperative operates in Illinois, Wisconsin. The full list of counties served is below, each linked to its live outage status.

Rock Energy Cooperative: Outages & Reliability

As of October 7, 2026 09:00 UTC, no major outages are reported on Rock Energy Cooperative's network.

Rock Energy Cooperative is an cooperative utility serving 8 counties in Illinois and Wisconsin. In 2024, its customers went an average of 0.9 hours without power (SAIDI), across about 0.5 interruptions each. That ranks it #24 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 Illinois median (2.6 h).

LIVE ON ITS NETWORKLive · total only

No major outages currently reported on Rock Energy Cooperative's network.

Official reliability (EIA 2024)

US EIA

0.9 hrs

SAIDI / customer / yr

0.5

SAIFI / yr

1.8 hrs

CAIDI / outage

better than the US average (US 11.0h)

Ranks #24 of 468 US utilities by reliability (#1 = most reliable) · better than the Illinois median (2.6 h).

Residential price14.7¢/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 Rock Energy Cooperative’s reliability has been worsening (lower is better).

Outage trend · Rock Energy Cooperative

0customers out · peak 11

Data as of Oct 7, 2026 09:00 UTC

Times in EDT. Shaded stretches had no reading.

Counties served by Rock Energy Cooperative (8)

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

Rock Energy Cooperative: FAQ

How reliable is Rock Energy Cooperative?: Rock Energy Cooperative customers averaged 0.9 hours without power in 2024 (SAIDI), which is very reliable and better than the US average, better than the Illinois median (2.6 h), per official US EIA data.
Where does Rock Energy Cooperative rank among US electric utilities?: By official EIA SAIDI, Rock Energy Cooperative is #24 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 Rock Energy Cooperative serve?: Rock Energy Cooperative serves 8 counties across Illinois and Wisconsin, per its EIA-861 service territory filing.
Where does Rock Energy Cooperative provide power?: Rock Energy Cooperative operates in Illinois, 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: Illinois.

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.