FERC on Tuesday accepted a MISO tariff filing, promising to annually update an unforced capacity-to-intermediate seasonal accredited capacity ratio.

SPP and MISO plan to draft a white paper on rate pancaking and unreserved use, two issues that bedevil utilities along the RTOs’ seam.

MISO will evaluate through the end of the year how it can measure and encourage six generating attributes that it says are necessary to its system operations.