FERC (the US Federal Energy Regulatory Commission) is going back to the drawing board on how to gauge the power grid's resilience after the five commissioners unanimously rejected Energy Secretary Rick Perry's plan to prop up coal-fired and nuclear power plants Monday. After delivering a forceful defeat to the former Texas governor's Notice of Proposed Rulemaking and coal plants alike, the agency ordered U.S. grid operators to submit additional information about their ability to judge "naturally occurring and man-made threats" to their systems within 60 days, punting any potential action until at least April — and that’s only if the agency decides to act at all. More