Piller power technology protects the world’s critical infrastructure.

Established in 1909, Piller Power Systems is Europe’s leading producer of uninterruptible power supply (UPS) systems for mission-critical power applications such as data centres and semiconductor manufacturing. Piller also manufactures ground power systems for civil and military airports and on-board electrical systems for naval vessels.

Piller is part of Langley Holdings Power Solutions Division focused on the development of hybrid-renewable microgrids in collaboration with Bergen Engines AS and Marelli Motori Srl, all Langley subsidiaries.

Acquired by Langley in 2004, Piller is headquartered in Osterode am Harz, near Hanover, in Germany. In 2016 Piller acquired Active Power, the Texas-based flywheel UPS specialist.