Person Responsible for an Electrical Installation” (PREI Hamburg Vollzeit Vattenfall … an Electrical Installation” (PREI) for our German Offshore windfarms. As PREI you are Person responsible for the Electrical Installation … for the right person to take the position as “Person Responsible for an Electrical Installation” (PREI) for our German Offshore windfarms. As PREI you are … About the job Vattenfall is looking for the right person to take the position as “person Responsible for an Electrical …Responsible for Installation” Prei