Harrison Hydra-Gen has provided mobile power since 1969 with the primary engine ON or OFF. Our hydraulic and belt-driven generators provide power while the main engine is ON, and our proprietary green technology lithium battery systems, that we call hPower, provide power while the engine(s) is OFF. HPower is an idle mitigation system that hybridizes your power needs in the field. It includes real-time data with the ability to see and utilize the data to better your fleet. Clean power technology that pays for itself with an excellent ROI while allowing you to save the environment at the same time. Clean, Reliable, Mobile Power for 40+ years in industries where loss of life, or loss of lively-hood will result!