Japan, Dec. 24 -- ClassNK says it has issued an Approval in Principle (AiP) for the designs of a cable jointing vessel and a cable burial vessel developed by Mitsui O.S.K. Lines, Ltd. The certification demonstrates its feasibility from regulatory and safety perspectives.In Japan, the expansion of wind power generation utilizing offshore areas and surrounding islands with favorable wind conditions and relatively limited site constraints is expected as part of efforts to increase the share of renewable energy. However, regions suitable for wind power generation are often located far from major electricity demand centers, making the development and reinforcement of power transmission infrastructure a key challenge in delivering generated elect...