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Southern California Edison Co: power outages per year

In 2025 the average Southern California Edison Co customer was without power for 9.1 hours, more than the California average of 5.8 h; up from 2.6 h in 2024. The utility served 5,343,161 customers in California and ranks #1 of 9 large California utilities by outage hours.

Hours / customer
9.1h
Without major events
1.9h
Interruptions
1.4
Average outage
6.5h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
20259.11.91.45,343,161
20242.61.71.05,316,264
20231.91.61.05,275,302
20222.21.71.15,240,509
20213.01.71.15,201,994
20203.41.51.15,183,307

"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.

Backup power for Southern California Edison Co outages

An average outage here lasted about 6.5 hours in 2025. Size backup for the longest outage you want to ride through, not the average.

Size backup for a 7-hour outage →Power stations for a fridgeStandby generators

Other large utilities in California

Los Angeles Department of Water & Power 6.8 hPacific Gas & Electric Co. 4.5 hSan Diego Gas & Electric Co 2.2 hImperial Irrigation District 1.9 hCity of Riverside - (CA) 1.5 hSacramento Municipal Util Dist 0.8 hModesto Irrigation District 0.6 hCity of Anaheim - (CA) 0.5 h

FAQ

How many hours a year are Southern California Edison Co customers without power?

9.1 hours per customer in 2025 including major event days (1.9 h without them), as Southern California Edison Co reported to the U.S. EIA.

How long does a typical Southern California Edison Co outage last?

About 6.5 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.

Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →