By Elliot Gulliver-Needham The value of Greencoat UK Wind’s underlying assets dipped by 0.4 per cent across the quarter as power generation came in nine per cent below budget. “We suspect that many of the managers’ expectations have been optimistically biased,” said Stifel analyst Iain Scouller. “We think we will see a similar generation undershoot at many of the other wind and solar funds for this period.” The wind farm-focused investment trust, which is a popular buy among retail investors, said today it continued with its share buyback plan, purchasing 11.8m shares during the last quarter, …