massoutage

City of Naperville - (IL): Outages & Reliability

We have no live outage feed for City of Naperville - (IL), so its outages are not in our numbers.

City of Naperville - (IL) is an municipal utility serving 2 counties in Illinois. In 2024, its customers went an average of 0.4 hours without power (SAIDI), across about 0.5 interruptions each. Its outage duration is better than the US average and better than the Illinois median (2.6 h).

ON ITS NETWORKNo live feed

We have no live feed for City of Naperville - (IL), so its outages are not in our numbers. See our coverage →

Official reliability (EIA 2024)

US EIA
0.4 hrs
SAIDI / customer / yr
0.5
SAIFI / yr
50 min
CAIDI / outage
better than the US average (US 11.0h)
Residential price13.0¢/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 City of Naperville - (IL)’s reliability has been worsening (lower is better).

City of Naperville - (IL) SAIDI by year2013–2024: 2013 0.6h, 2014 0.3h, 2015 0.3h, 2016 0.3h, 2017 0.4h, 2018 0.3h, 2020 0.2h, 2021 0.3h, 2022 0.3h, 2023 0.4h, 2024 0.4h. Highlighted: 2013 (highest).00.20.40.60.6h20130.3h20140.3h20150.3h20160.4h20170.3h20180.2h20200.3h20210.3h20220.4h20230.4h2024
Use the arrow keys to read values.
Outage trend · City of Naperville - (IL)
0customers out
Data as of Oct 7, 2026 09:00 UTC
City of Naperville - (IL): customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 7, 2026 09:00 UTC. Each point is the highest reading in its interval.00.30.50.816 AM12 PM6 PMOct 7
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Times in EDT. Shaded stretches had no reading.

Counties served by City of Naperville - (IL) (2)

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

City of Naperville - (IL): FAQ

How reliable is City of Naperville - (IL)?
City of Naperville - (IL) customers averaged 0.4 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.
How many customers does City of Naperville - (IL) serve?
City of Naperville - (IL) serves 2 counties across Illinois, per its EIA-861 service territory filing.
Where does City of Naperville - (IL) provide power?
City of Naperville - (IL) operates in Illinois. 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 .