US installed wind capacity was 90,004 megawatts at the end of June.
Another 18,987 megawatts of projects were under construction and 18,806 megawatts were in advanced development. The figures are in the most recent market report issued by the American Wind Energy Association. One of the advanced development projects, the 2,000-megawatt Wind Catcher project, was cancelled in July after American Electric Power failed to get approval from Texas regulators for the proposed cost recovery plan.
Investment in US wind projects during the first half of 2018 was up 121% compared to the same period in 2017 as developers scramble to get projects into service ahead an end of 2020 deadline to qualify for federal production tax credits at the full rate.