UPDATE (6:51 p.m.) - PG&E reports that 1,968 customers are still without power after a massive power outage Monday afternoon in the Santa Ynez Valley.
Estimated restoration is 7:45 p.m.
UPDATE (6:05 p.m.) - PG&E is reporting power has been restored to more customers. As of 6:05 p.m., about 8,500 customers remained without power.
UPDATE (5:25 p.m.) - PG&E's outage map shows power has been restored to nearly 3,000 customers, however, more than 10,000 still remain without power. Restoration is expected by 7:45 p.m., according to PG&E's online outage map.
A PG&E spokesperson says the outage affects those in the Santa Ynez, Buellton and Solvang areas near where fires broke out Monday afternoon.
PG&E's crews on scene are working with first responders in an effort to restore power as safely and quickly as possible.
(4:39 p.m.) - Thousands of PG&E customers were left without power Monday afternoon in Santa Barbara County.
The outages occurred at about 4:09 p.m. and were affecting areas from Highway 101 in Santa Maria south to Cachuma Lake.
More than 12,700 customers were impacted, according to PG&E.
Crews were en route to assess the cause as of 4:30 p.m.
PG&E was estimating power would be restored by 7:45 p.m.
No word on whether fires that broke out along northbound Highway 101 between Highway 246 and Highway 154 were to blame for the outages.
This is a developing story and will be updated as information becomes available.