Services from DNV Services from DNV Find our servicesSearchLimit toClear filterPlease enter a search criteriaEnergy storage system certificationRemote surveys for selected components and materialsExhaust gas emission measurementsDevelopment accompanying assessment for wind turbinesFloating wind energy certificationWind turbine type certificationLift appliances and deck equipmentControl and automation systems and softwareApproval of welding consumablesPressure vessels and pressure equipmentNavigation and bridge systemsCommunication systemsVerification of submarine pipelinesEngines and propulsion systemsApproval of material manufacturersExhaust emissions and exhaust gas treatment systemsMechanical componentsAnti-fouling systemsValid certificationsOver voltage ride through certification