MISO and the Organization of MISO States’ resource adequacy survey warned that a more than 9-GW shortfall could loom by the decade’s end, though it painted an adequate supply picture for the upcoming year.

MISO IMM David Patton appeared before the Market Subcommittee to again criticize the future resource mix assumptions MISO is using to craft a second long-range transmission plan.

DTE Energy reached an agreement with Michigan officials and environmental groups to add more renewable power and phase out coal use by 2032.

MISO is holding to its plan to enact a widescale marginal capacity accreditation while swapping risky hours for peak load to calculate its reserve margin requirements.

In the wake of MISO’s first seasonal capacity auction, members have asked the RTO to improve its generator outage rules, preliminary data sharing and the registry tool used to track capacity.

MISO’s Independent Market Monitor reported that the RTO’s financial transmission rights market came up short by more than $60 million this spring.

MISO South regulators publicly opposed a postage stamp cost allocation design, potentially setting the stage for a showdown as MISO prepares for a third long-range transmission portfolio.

FERC approved changes to MISO and SPP’s affected system study process to allow either RTO to order upgrades of limiting elements on tie lines.

MISO’s IMM debuted five new recommendations as part of his annual State of the Market Report, as multiple suggestions were aimed at maximizing transmission utilization by clamping down on wind-related congestion.