If you put a small turbine in a turbulent area it will not work efficiently.

CNN: Can 'small wind' reap big rewards?

One area of investigation is whether turbine blades are blocking signals from the Winter Hill transmitters.

BBC: Wind farm operators investigate TV interference

Plans for a 21-turbine wind farm in Carmarthenshire have been rejected despite falling in an area outlined for wind energy projects.

BBC: Llanllwni