On a blustery February night, the Texas electricity market hit a milestone. Nearly half the power flowing onto the grid came from wind turbines, a level unimaginable a decade ago in a place better known for its long romance with fossil fuels. The Lone Star state still embraces its oil and gas , leading a revolution in innovative “fracking” technology. Yet an equally startling energy bonanza here has gone almost unnoticed—the rise of renewables. Texas has added more wind-based generating capacity than any other state, with wind turbines accounting for 16% of electrical generating capacity as of April. Now Texas is anticipating a huge surge in solar power. At a time when debate is raging between political parties over climate change, and critics charge that “green energy” is little more than a government creation, Texas has taken an approach that works within the state’s free-market-based electricity system. State […]