Power outages in Rosemead, CA

Live outages the utility reports for Rosemead addresses, updated every 10 minutes. Rosemead has 49,410 residents.

Right now

Outages reported

Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.

167customers without power

A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.

Share of customers unknown

At least one utility here doesn't publish how many customers it serves in this area, so we can't show a percentage.

Updated 7 min ago

We check every utility's outage data every 10 minutes. Each utility updates its own map on its own schedule, usually every 5 to 15 minutes.

Southern California Edison's count for Rosemead addresses

Utilities group outages by the city in each customer's mailing address. A city's count can include nearby areas outside its city limits, and only covers that utility's customers.

Southern California Edison167

Outage map

RosemeadLos Angeles CountySouthern California Edison publishes totals only, not outage locations.

Some utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Outage history in Los Angeles County, which includes Rosemead

2014–2025 record

Los Angeles County averaged 4.3 significant outages a year in 2023–2025, fewer than most California counties.

In the 12 months to December 2025, there were 7. Half were over within 2 hours; the longest lasted 4 days, starting January 8, 2025.

The largest on record began January 8, 2025, with 398,901 customers out at once.

Outages are most common in January.

4.3significant outages a year (2023–2025)

At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.

45 minutestypical (median) length

Half of significant outages here ended sooner than this, and half lasted longer.

4 dayslongest on record (January 2025)

398,901most customers out at once

Largest events (start)	Peak out	Lasted i How long this area stayed at or above the significant-outage line, not how long any one home was without power.	Customer-hours i Customers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
January 8, 2025	398,901	4 days	10,877,959
November 8, 2025	167,769	45 minutes	108,439
December 13, 2020	133,885	45 minutes	83,259
February 12, 2021	114,577	2 hours	172,447
October 30, 2018	109,409	45 minutes	75,838

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

Southern California Edison: outage map and reporting
Stay at least 35 feet from downed power lines and report them right away.

Food safety

0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
24 hA half-full freezer holds about 24 hours if kept closed.
48 hA full freezer holds about 48 hours.

Generators, heat and cold

Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
Use a battery-powered carbon monoxide alarm.
Never heat your home with a gas stove or oven.