SAN DIEGO (FOX 5/KUSI) -- Hundreds of San Diego Gas & Electric (SDG&E) customers are experiencing outages during another round of public safety power shutoffs that went into effect Monday at 6 a.m. As of 12:45 p.m. Monday, the communities impacted by the power shutoff were Boulevard, Campo Reservation, Descanso and Warner Springs. More than 900 customers have had their power shut off in these communities. Thousands could lose power as NWS issues another Red Flag Warning for San Diego County According to SDG&E's website, the shutoffs could continue until 5p.m. Friday when the period of concern is set to end. Click here to see a map of the areas at risk for the power shutoffs. This comes after the utility company on Saturday announced they notified more than 80,000 customers they could lose power because of the recent Red Flag Warning issued by the National Weather Service, due to another round of Santa Ana winds. SDG&E estimates around 83,000 customers throughout San Diego County could have their power shut off this week.