Update 7:37 p.m.: Some customers reportedly still without power.
Update 7:34 p.m.: Police say a "large part" of Belmont lost power tonight, based on the volume of calls they are receiving. The cause is still unknown.
Update 7:28 p.m.: According to the PG&E Electrical Systems Outage Map, between 500 and 4,999 customers in Belmont lost power. Check back on Belmont Patch for more updates.
7:25 p.m.: PG&E customers in Belmont lost power tonight for about half an hour. The cause of the outage is not immediately known. Power was restored to some customers at about 7:20 p.m.
Many stores were darkened throughout town, including the Safeway on El Camino Real and the nearby Starbucks.
For immediate updates, follow this story on Belmont Patch's Facebook and Twitter pages.
Latest from PGE: Belmont: 3 outage(s) affecting 5787 customer(s) Cause: PG&E will be assessing the cause of your outage. Status: Awaiting assessment Start Time of Outage: 09/19/2012 09:04:45 PM Est. Time of Restoration: Not Available Last Updated: 09/19/2012 09:44:04 PM