CORRECTION: Because of incorrect information provided by a source with SDG&E, the number of customers affected were misstated in an earlier version of this article. Patch regrets the error.
About 18,000 customers in San Clemente proper were in the dark Thursday evening after a power outage starting at about 8:20 p.m.
Lights were restored to all but about 400 customers in San Clemente by 11 p.m. Thursday.
SDG&E Spokeswoman Gayle Falkenthal said the rest would be back online by 3 a.m. Friday. A single substation was down, she said, and technicians were assessing the cause of the outage.
There was some initial confusion as to the number of customers who were affected by the outage. The correct number is 18,000.
Also affected were Ladera Ranch, Coto De Caza, Ortega, and northwest portions of Camp Pendleton.
This was because of grid problems. The power outages do not appear connected to the