The Shock Pulse Generator (SPG), developed and manufactured by Swiss company Explosion Power GmbH, is an online boiler cleaning equipment automatically generating Shock Pulses (SP) by pressurized gas combustion. The innovative technology has proven its outstanding performance at worldwide more than 1000 different installations in 20+ countries since 2009. Plant operators confirmed significant prolongation of boiler operating periods and increased efficiency, thus contributing to a sustainable and economic plant operation. Leading plant suppliers decided to apply SPG-technology to new build plants, additionally profiting from the sophisticated system design and the compact geometry.