California has declared a power emergency. Power outages are possible throughout the State and PG & E requests customers refrain from non-essential use of energy. Outages have already affected some cities around the state.
Quick Powering-Down Tips:

1) Turn off unneeded lights, computers and appliances
2) Set thermostat to 78-F or higher when you’re home
3) Set thermostat to 85-F or off when you’re away
4) Use major appliances and equipment after 7 p.m.

OUTAGES: Outages have affected customers in the cities of San Jose, Los Gatos, Saratoga, Dublin, Pleasanton, San Ramon, Antioch, Brentwood, Clayton and Concord, officials said.