As of 1200 on Sep 10, press reports list more than 3 million customers without power in the Irma impact area.  From this image, the majority of the outaged customers are south of the Cape Coral to West Palm Beach transmission line isolating the first area to be dropped off the main grid.We expect these areas to move north in preparation for the center of the storm reaching the Tampa area.

Irma Outages in South Florida