The cost to construct the United States' first domestically built wind turbine installation vessel (WTIV), Charybdis, has risen to $715 million, Dominion Energy revealed in its latest quarterly results, marking another snag for the fledgling U.S.<p><p>https://www.marinelink.com/news/cost-usbuilt-wtiv-charybdis-balloons-516103</p></p>