The survey, carried out for RenewableUK by Arad Consulting, found wind-power last year contributed £103m directly to the Welsh economy from an installed capacity of 380 megawatts (MW).
By 2020, however, Wales could have 3.2 gigawatts of wind-energy up and running, if steps are taken to clear the way for construction and start-up of new projects.
“In the last 12 months,” states RenewableUK chief executive Maria McCaffrey, “just four windfarms, with an operating capacity of 45MW, have been switched-on.
"In
