San Francisco-based power supplier PG&E Corp said on Friday it has begun rotating power outages at the instructions of Californias grid operator, affecting about 200,000 to 250,000 consumers at a time, provided the stress on the power grid during the statewide heatwave. The business said in a declaration it is not calling a public security power shut-off, which is performed during specific high fire hazard conditions. PG&E said its interruptions, directed by the California Independent System Operator, are anticipated to affect up to 250,000 customers at a time in rotations of one hour each. PG&E will not have the ability to notify consumers in advance of the shut-offs that might take place anywhere within the companys service location, the statement said. In 2015, PG&Es power shut-offs struck numerous countless homes and workplaces in northern California and were condemned by customers as well as authorities for being too prevalent, with inadequate communication. The business recently emerged from personal bankruptcy, marking an end to a long-drawn restructuring process which started after its devices triggered some of the most dangerous wildfires in California.