CENERGY HOLDINGS Hellenic Cables in partnership with Jan De Nul is awarded offshore grid connections between TenneT’s DolWin kappa platform and the N-3.7 and N-3.8 Offshore Wind Farms in Germany See the announcementHellenic Cables in partnership with Jan De Nul is awarded offshore grid connections between TenneTΆs DolWin kappa platform and the N-3.7 and N-3.8 Offshore Wind Farms in Germany