Will EPA's "Train Wreck" Affect Reliability? At Least One FERC Commissioner Is Still Concerned

There has already been significant attention devoted to whether EPA's "train wreck" of rules affecting coal-fired power plants would affect electric system reliability. The Congressional Research Service analysis looked at the coming rules more broadly, but did touch on reliability, noting that most of the coal plants likely to be retired as a result of EPA regulations are small and inefficient, and already run infrequently. As we noted last June, the Bipartisan Research Center did focus on reliability, concluding "that scenarios in which electric system reliability is broadly affected are unlikely to occur."

However, this work has not been enough to satisfy FERC Commissioner Philip Moeller, who recently issued a "Request for Evidence" concerning the impact of EPA's coming rules. The request is both deep and wide-ranging. It includes 22 separate questions, not including sub-parts. The questions range from the broad -- "What evidence supports the assertion of a