MISO is conducting a check-in with stakeholders to gauge whether its market design guiding principles are still valid in a changing industry.

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 said damage wrought from Hurricane Beryl triggered an overnight electrical island in a Southeastern Texas load pocket.

MISO said a riskier operating environment means it needs a more nuanced approach to its regulation reserve requirements.

MISO expounded on why its late August maximum generation emergency wasn’t met with prices dictated by its emergency offer floors.

MISO’s stakeholder committee chairs resuscitated a stakeholder group dedicated to emergency preparedness and system restoration training.

With winter largely behind it, MISO staff last week told stakeholders that winter fuel security surveys are to become an annual fixture.

MISO has proposed prohibiting some resources from using an emergency commitment status in its markets in order to have wider access to its committed capacity.

MISO will use its electric storage resource participation model as the basis for DER aggregation participation, scrapping an earlier plan.

MISO staff have characterized LMR use as accessing the capacity that members make available to them, de-emphasizing emergency protocols.