Meanwhile, the territory's congressman has admitted some relief operations have been unacceptable.
Hundreds of people have sought federal aid and remain without water and electricity after the storm hit nine days ago.
The Commonwealth Utilities Corporation says about 800 power poles were downed, and reconnecting power to its 13,000 customers depend on the availability and shipment of materials.
Its executive director, John Riegel, says the hospital should return to the power grid soon, and a limited water supply has returned to some areas.
