Roberto Denis, senior vice president of Energy Supply for NV Energy (left) joins Richard Baker, senior vice president of PennWell Corp. (right) to cut a ribbon opening the sixth annual Renewable Energy World North America Conference & Expo in Las Vegas March 10. Also on hand (and pictured to the right of the TV cameraman) were Julia Hamm, executive director Solar Electric Power Association; Denise Bode, CEO American Wind Energy Association; Linda Church-Ciocci, executive director National Hydropower Association; Rhone Resch, president and CEO Solar Energy Industries Association; and Karl Gawell, executive director Geothermal Energy Association.
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