Egil Birkemoe has more than 25 years experience from offshore industries; wind, oil & gas and maritime in many technical, consulting, operational and management positions. Currently as VP Electrical Transmission in Aker Solutions. Since 2016 worked with subsea power among other topics. Educated from NTNU within engineering cybernetics. Subsea HV electrical systems has been developed since the late 90-ties for subsea pumping and compression. Over the last years is has been apparent that subsea HV electrical systems gives significant benefits also for other transmissions systems as for offshore wind. Currently there are multiple ongoing development programs in the industry to match the requirements for offshore wind electrical systems. Topics being subsea substations and subsea HUBs changing the array system and transmission system to shore.