Plug Power Inc. is a U.S.-based hydrogen technology company that designs and manufactures proton exchange membrane (PEM) fuel cell systems and electrolyzers. Headquartered in Latham, New York, the company operates across North America and Europe and focuses on equipment and services for producing, liquefying, storing, transporting, and dispensing hydrogen for industrial and mobility uses.
Its portfolio includes PEM electrolyzer stacks and packaged systems for on-site and centralized green hydrogen production; fuel cell power units for material handling fleets and on-road applications; stationary backup and prime power solutions; as well as cryogenic hydrogen liquefiers, tanks, and trailers. Plug Power also provides hydrogen fueling infrastructure, engineering support, and ongoing service. The company’s technologies are used by logistics operators, manufacturers, and energy and process industries—including chemical and refining sites—seeking to integrate low-carbon hydrogen into operations and reduce emissions from heat, power, and mobility.