15 sales in the last 13 years, non in the last 2 years, and only one in the $xx,xxx - i don't think this key word is even remotely worthy to a showcase discussion.
the USA’s Small Wind Certification Council (http://smallwindcertification.org) based on the American Wind Energy Association’s Small Wind Turbine Performance and Safety Standard (www.awea.org) is a useful reference.
British Wind Energy Association Small Wind Turbine Performance and Safety Standard (www.renewableuk.com) and the International Electrotechnical Commission’s Small Wind Standards.