Rancho Cucamonga Power Outages
San Bernardino County, California
updated 8m ago
Outages by Utility
reported for San Bernardino County
Outages Near You
See live outage activity within 10 miles of your location.
Rancho Cucamonga
No active power outages are currently reported in Rancho Cucamonga, California. Rancho Cucamonga is in San Bernardino County, and PowerOutage.us tracks 2 utilities serving the area.
Outage History — Rancho Cucamonga
Over the last 90 days, PowerOutage.us has tracked 108 distinct power outages in Rancho Cucamonga, California. The most recent significant outage affected an estimated 2,620 customers on August 30, 2026. When outages occur, power is typically restored in about 13h 6m.
Avg Restoration Time
13h 6m
Most Recent Significant Outage
2,620 customers
August 30, 2026
San Bernardino County Historical Outages
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Utilities Serving Rancho Cucamonga
Outage and customer figures are as reported for San Bernardino County. A dash means the utility serves the city but reports no data for this county.
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