Greenwire: On a February night in 2008, the wind died in the usually blustery Texas Panhandle, and a forest of wind turbines there stopped whirring. Power plunged, going from 1,700 megawatts to 300 megawatts in minutes, threatening a statewide blackout. Alarmed, grid operators rushed to protect the electricity delivery system. Within minutes, electricity going to some major industrial customers was reduced dramatically. Plant lights were dimmed, air-handling systems and refrigerators shut down, …