Solar Today, Winter 2016-2017, by Mick Sagrillo.
https://tinyurl.com/z5jh7h4

"Today's small wind turbines are a reliable way to cut utility bills and help mitigate global climate change. At the core of the small wind industry lies a mature, tried-and-tested technology. This growing industry also attracts a lot of start-up businesses; unfortunately many of them based on half-baked ideas or wishful thinking... Here is a list of issues to consider when shopping for a small wind system."