Plug Power, Inc., together with its subsidiaries, engages in the design, development, and manufacture of on-site energy systems for energy consumers worldwide. It focuses on platform-based systems, which include proton exchange membrane, fuel cell, and fuel processing technologies. The company offers GenCore product, which provides direct-current back-up power for telecommunication, broadband, utility, and industrial uninterruptible power supply market applications. It is also developing GenSys product, which offers remote continuous power for light commercial and residential applications; and prototype fuel cell systems that provide electricity and heat to a home or business, as well as...