A major European utility said Tuesday it would scrap a wind farm that was due to become the largest offshore wind project ever built, a sign of the struggles of the industry to attract investment needed to overcome huge costs and technical challenges. The Atlantic Array, in the Bristol Channel off the west coast of England, could have generated up to 1,200 megawatts of electricity, almost twice as much as the largest farm already operating in U.K. waters. But RWE said on Tuesday that continuing with the project faced problems that were “prohibitive in current market conditions.” RWE’s decision highlights the central difficulty in achieving Europe’s ambitious wind targets. Huge plans are in place, but few investors are willing to stake the billions needed to build them, in an environment where government subsidy is essential but uncertain and costs can skyrocket. The U.K. has pioneered offshore wind power, maximizing […]