Power to wind [From the Editor]

In our 2009 issues, we have concentrated on renewable energy and the myriad of possibilities and problems they generate. We focused on smart grid, large-scale photovoltaics, energy storage, public policy worldwide, and in this issue wind power integration. In many ways these issue themes are totally intertwined, and we trust that the information conveyed in them has assisted our readers to better understand all that is involved.