Pacific Gas & Electric Co. started to turn the power off for more than 800 customers in Shasta County on Monday morning due to dry and windy weather conditions in the North State.

Due to the elevated wildfire risk, PG&E says more than 13,000 customers in parts of 13 counties and two tribal areas could be affected by Public Safety Power Shutoffs on Monday and Tuesday. The county with the largest number of people affected is Shasta, where PG&E says 7,709 have had their power cut.

PG&E implements its PSPS program during high-risk fire weather. The high winds can cause trees or debris to damage equipment and the dry vegetation could lead to a wildfire, PG&E