Critical Power Solutions 

Active Power, a division of Piller Power Systems Inc., is a leading producer of kinetic energy storage systems. Our flywheel technology provides permanent energy storage that helps solve customer problems and provides lower total cost of ownership, higher reliability, and more sustainable solutions.

In November 2016 Piller Power Systems Inc, the US subsidiary of Piller Group GmbH, acquired the business and assets of Active Power Inc. Piller Group GmbH is a division of the UK based engineering and industrial group, Langley Holdings plc Learn More.

Our Products

CLEANSOURCE® XT UPS
225 kW / 250 kW

CLEANSOURCE® XT MMS UPS
225 kW - 1800 kW
250 kW - 2000 kW
CLEANSOURCE® HD UPS
625kW / 675KW





Service

Maintenance & Support

PowerHouse

Modular Power

Modular IT

Custom Built Enclosures

Solving Customer Problems Across a Variety of Industries


Data Center Solutions

Health Care Solutions

Industrial Solutions