Many states have a Small Wind Electric Systems Consumer's Guide written specifically for residents of the state.
Mick Sagrillo, a seasoned installer and wind energy advocate from Wisconsin put together a three-piece series on insuring small wind systems, which you can read by clicking on the links below.
Mason City, IA has this ordinance related to zoning of wind projects. Click on the link below to view the ordinance.
Several counties in Southwestern Minnesota have developed a model zoning ordinance wind systems under 5MW for other counties in the state to refer to. A downloadable version of this Model Wind Ordinance is available along with a Companion Document to the Minnesota Model Wind Energy Conversion Ordinance.
Renew Wisconsin's Small Wind Toolbox is an excellent database of small wind turbine technical articles and forms for installing turbines in Wisconsin. It also includes a practical handbook that walks you through the steps of installing a small wind turbine.