Wind 11.59%, 3 – 17 mph, Wales 8 – 12 mph, 0806 local time

The effective wind speed in the Betws area is only 3 mph now, (12 mph mean speed minus 9 mph needed to start the derelict turbines). The optimal wind speed of large turbines is 20 – 40 mph, such speeds never occur in the British Isles, so the entire industry is a grim joke, an unstable fiasco. It is impossible to think of a more inefficient way of producing electric power. Solar today is negligible at 3.40% and hydro is farcical at 0.49%. The clear answer is a combination of tidal power and advanced ES and LENR power stations.

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