Here's a proposal to build a solar power array on a dried lake bed. This seems promising because such territory has minimal wildlife to damage. The main drawback I see is that if the current southwestern drying trend ever reverses, that site will be underwater.
L.A. Plans World's Biggest Solar Farm in California Desert
The Los Angeles Department of Water and Power is planning to turn an dried up lake bed into one of the largest solar farms in the world. Thousands of shiny black and blue panels may eventually generate three to five gigawatts of power -- enough for 10 percent of California's power supply. (Edmonton Journal)