The 122 meter long ro-ro passenger ferry Hardanger allided with the quay at Tau, Norway.  The ferry was approaching the quay when it suffered a power blackout after the main engine failed.  The Hardanger was unable to slow down and struck the quay damaging its bow and broke concrete off the quay.  No reports of injuries. The ferry was able restore power and back off the quay.  The Hardanger reversed back into dock to allow the vehicles to disembark.  Divers were contracted to inspect the ferry for damage. Norwegian authorities have launched an investigation  into the incident. The ferry was coming from Stavanger with 105 passengers and 11 crew.