Renewable energy developers, take note. There’s a new spot on Earth leading the way for projects in solar, wind, and other sources of green power. That’s because of a new bill, signed into law late last week in the state, mandating a massive buildout in renewable power capacity, in a very short time frame. The bill, S.B. 350, calls for California’s utilities to move toward acquiring 50 percent of their electricity from renewable sources. And…