LIVERMORE, CA — PG&E will be disconnecting power to over 57,000 customers in Alameda County starting Saturday at 5 p.m. and lasting up to 48 hours, the utility announced Friday.

According to a PG&E outage map, some Livermore residents might be impacted.

"We encourage you to find alternative energy sources for light, charging devices and other necessities," an alert from Alameda County read. "Plan ahead with food and water, and make sure your grab-and-go emergency kits are ready."

To see if your home or business is impacted by the Public Safety Power Shutoff, visit the utility's PSPS map here.