NextEra Energy, Inc., through its subsidiaries, generates, transmits, and distributes electric energy in the United States and Canada. The company generates electricity from gas, oil, solar, coal, petroleum coke, nuclear, and wind sources. As of December 31, 2015, it served approximately 9.5 million people through approximately 4.8 million customer accounts in the east and lower west coasts of Florida. The company had approximately 46,400 megawatts of generating capacity. It also leases fiber-optic network capacity and dark fiber to telephone, wireless, and Internet companies. The company was formerly known as FPL Group, Inc. and changed its name to NextEra Energy, Inc. in 2010. NextEra Energy, Inc. was founded in 1984 and is headquartered in Juno Beach, Florida.