ScienceDaily (July 13, 2011) — The power output of wind farms can be increased by an order of magnitude -- at least tenfold -- simply by optimizing the placement of turbines on a given plot of land, say researchers at the California Institute of Technology (Caltech) who have been conducting a unique field study at an experimental two-acre wind farm in northern Los Angeles County.
http://www.sciencedaily.com/releases/2011/07/110713092153.htm