This report, written and compiled by the Fuel Cell and Hydrogen Energy Association (FCHEA) with support from the Fuel Cell Technologies Office, provides an overview of private sector fuel cell installations at U.S. businesses, as well as highlights of international deployments up through October 1, 2015. FCHEA estimates, over the past few decades, hundreds of thousands of fuel cells have been installed around the world, for primary or backup power, as well as in various other applications including portable and emergency backup power, heat and electricity for homes and apartments, material handling, passenger vehicles, buses and consumer electronics.