FPL's fuel mix

FPL's power mix

powerplant Natural gas: 70 percent, up from 25 percent in 2001
powerplantOil: Half a percent, down from 26 percent
powerplantCoal: About 3.5 percent, down from 6.5 percent
powerplantSolar: Just under half a percent; FPL plans to hit 4 percent by 2023
powerplantNuclear: 22 percent

FPL buys the other 4 percent of its electricity.
Source: FPL. Images from the Noun Project: Tinashe Mugayi (oil), Ahock (power plant), Musmellow (coal) and Weltenraser (solar).