MISO set its 122-GW summertime peak on the unofficial last week of summer, with widespread heat necessitating back-to-back maximum generation warnings.

MISO instated maximum generation procedures Thursday to manage a pervasive heat wave blanketing its footprint.

MISO’s December emergency declaration ignited a debate over whether the RTO should enter emergency procedures to sustain its neighbors during extreme weather.

MISO flirted with its first maximum generation event of the year, a month after it cautioned members that winter operations would get risky.