So much for Depending on Alternative Energy Sources

From Reuters:

Houston (Reuters) - A drop in wind generation late on Tuesday, coupled with colder weather, triggered an electric emergency that caused the Texas gird operator to cut service to some large customers, the grid agency said on Wednesday. Electric Reliability Council of Texas (ERCOT) said a decline in wind energy production in west Texas occurred at the same time evening electric demand was building as colder temperatures moved into the state. . . .