All wind turbines must meet the criteria of bieng extream service 100% duty cycle machines. The competing technology is solar pv, which by bieng a solid state g

All wind turbines must meet the criteria of bieng extream service 100% duty cycle machines. The competing technology is solar pv, which by bieng a solid state generator with no moving parts is winning ,hands down in all small scale instalations, other than places where there is not enough light, and very very plentiful wind, artic, ant artic, certain mountain research stations and some marine/island/extream rugged coast areas. Whatever scam is in the wrks in Birmingham, should cost someone, there tenure....