Texas power grid operator says blackouts possible

Texas power grid operator says blackouts possible
Houston Chronicle
Last winter’s rolling blackouts in Texas and the summer’s near-blackouts could occur again in the coming year if extreme weather stresses the power grid more than normal, the state’s grid operator said Thursday. […] the state may need to trigger rolling blackouts in the event of extreme cold that puts more units offline than normal, a risk that is “very low,” ERCOT President Trip Doggett told reporters in a conference call. ERCOT said the revision decreases the state’s projected power-reserves cushion by 5 percent in 2012, putting it below where it should be…