All that water and energy also incurred a material cost: Moody's Analytics estimates the economic cost of Hurricane Irma to be from $64-92 billion, a tally that includes both property damage and lost economic output.
It will be Mr Trump's third trip related to hurricanes in two weeks and he will be joined this week by his wife Melania Trump.
On the left is light emitted from Florida before Hurricane Irma (the night of May 11, 2017).
"Returning residents should consider that there are limited services". One area on Tybee Island experienced extreme flooding, affecting more than 3,000 residents.
Irma made history by making landfall in the Florida Keys as a category four hurricane - the first time in recorded history that two category four hurricanes have hit the US back-to-back.
In addition to the destruction the storm has brought, Irma knocked out power to more than 60 percent of Florida's homes and businesses.
Officials stressed the partial shutdowns will have no effect on the company's ability to provide customers power, adding there was no storm damage to the reactors or the plants. The energy companies directly track the number of meters that are "offline", but that doesn't say anything about how many people are impacted by that particular outage.
As damage assessments continued on the Keys, stories also emerged of the harrowing ordeal some residents experienced after ignoring a drumbeat of official pleas to evacuate.
Florida Governor Rick Scott said: "So many areas that you would never have thought have flooded, have flooded". At least 35 people were reported killed earlier when Irma devastated several Caribbean islands.
FPL kept the St. Lucie Nuclear Plant running during the storm because of Irma's westerly track.
Florida began allowing some residents to return to homes hammered by the storm yesterday, but officials have warned that it would take a long time to fix the damage wrought by high winds and pounding surf, particularly in the resort archipelago of the Keys, which extends into the Gulf of Mexico from the tip of Florida's peninsula and is connected to the mainland by a single, narrow highway.
Florida experienced floods in many parts of the state, including the Florida Keys, Naples on the state's south Gulf Coast and some parts of Miami Beach. In other parts of the island chain, the closure of United States 1, a major artery that connects the islands with the mainland, was a prime concern.
The National Hurricane Center downgraded the storm from a hurricane to tropical storm Monday morning as it reached the northern parts of the state.