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Tucson Electric Power Co: Outages & Reliability

We have no live outage feed for Tucson Electric Power Co, so its outages are not in our numbers.

Tucson Electric Power Co is an investor owned utility serving 2 counties in Arizona. In 2024, its customers went an average of 1.9 hours without power (SAIDI), across about 1.0 interruptions each. Its outage duration is better than the US average and worse than the Arizona median (1.4 h).

ON ITS NETWORKNo live feed

We have no live feed for Tucson Electric Power Co, so its outages are not in our numbers. See our coverage →

Official reliability (EIA 2024)

US EIA
1.9 hrs
SAIDI / customer / yr
1.0
SAIFI / yr
1.9 hrs
CAIDI / outage
better than the US average (US 11.0h)
Residential price15.6¢/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 Tucson Electric Power Co’s reliability has been worsening (lower is better).

Tucson Electric Power Co SAIDI by year2013–2024: 2013 1.3h, 2014 1.0h, 2015 1.0h, 2016 1.5h, 2017 1.2h, 2018 0.9h, 2020 1.0h, 2021 1.7h, 2022 1.1h, 2023 2.8h, 2024 1.9h. Highlighted: 2023 (highest).01231.3h20131.0h20141.0h20151.5h20161.2h20170.9h20181.0h20201.7h20211.1h20222.8h20231.9h2024
Use the arrow keys to read values.
Outage trend · Tucson Electric Power Co
0customers out
Data as of Oct 7, 2026 09:00 UTC
Tucson Electric Power Co: 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 Tucson Electric Power Co (2)

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

Tucson Electric Power Co: FAQ

How reliable is Tucson Electric Power Co?
Tucson Electric Power Co customers averaged 1.9 hours without power in 2024 (SAIDI), which is about average and better than the US average, worse than the Arizona median (1.4 h), per official US EIA data.
How many customers does Tucson Electric Power Co serve?
Tucson Electric Power Co serves 2 counties across Arizona, per its EIA-861 service territory filing.
Where does Tucson Electric Power Co provide power?
Tucson Electric Power Co operates in Arizona. 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: Arizona.

Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of .