MISO staff said the footprint is in for more extreme ramping events after a late April drop in wind output.

‎MISO has developed a rough idea of how it might manage dynamic transmission line ratings should FERC require variable ratings. Brian Kiefer, manager of operations support engineering, said the process involves compiling a list of facilities that have bound in the real-time market in the past two years and could...

MISO is still collecting data and reviewing the actions it took during a massive cold spell that gripped most of the U.S. in mid-February. Frigid temperatures Feb. 14-16 across most of the RTO’s footprint created paper-thin — and then nonexistent — reserve margins, particularly in MISO South. In all, MISO...