Over 500 customers are without power in Encinitas, SDG&E reported.
The outage was reported Monday evening at about 5 p.m. and the company estimated that it would be restored by 11 p.m.
Previous SDG&E reports estimated the power would be restored before 8 p.m.
Approximately 569 customers in Encinitas, Cardiff-By-The-Sea and Olivenhain are without power.
The cause is under investigation.