The South Dakota Public Utilities Commission published the first edition of its Wind E-News this month. You can read it here:

http://www.state.sd.us/puc/Wind/Wind%20E%20Newsletter1.pdf

You can sign up to receive it via e-mail here:
http://www.state.sd.us/applications/UC98WebRegistration/windnewsletter.asp

The SD PUC website has quite a bit of other wind energy information, you can check it out here:

http://www.state.sd.us/puc/index.htm