Ernst studied Chemical Engineering and completed his Ph.D. at the Institute of High Voltage Engineering and System Management, Graz University of Technology, Austria. His Ph.D. thesis compared alternative insulating liquids with mineral oil. He is the managing director of EPP Consulting GmbH. He has been involved in power plant technology for more than 40 years and has contributed his experience as a consultant, too. He has published several papers regarding alternative insulating liquids. He joined several Cigré WGs. Currently, he is a member of Austrian’s technical committee for liquid and gaseous insulating materials.