MISO said its second, mostly 765-kV long-range transmission plan will provide the Midwest region with at least a 1.9:1 benefit-cost ratio, a metric that was greeted with skepticism by Independent Market Monitor David Patton.

MISO’s new day-ahead market clearing engine should move into standalone production near the end of September following a delay in testing, RTO executives said.

FERC dismissed separate complaints from MISO and Montana-Dakota Utilities Co. over a MISO-SPP flowgate chronically stressed by a North Dakota cryptocurrency mining operation.

After five fruitless attempts to agree on joint transmission projects across their seams, MISO and SPP will use what they call a “blended joint model” in parallel with existing SPP and MISO regional models.

MISO’s 2024 transmission planning cycle is shaping up to include 459 new projects totaling $6.7 billion.

MISO is adamant that it should limit project proposals in future queue cycles to 50% of annual peak load to moderate its 300-GW, oversaturated queue.

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.

Infocast’s inaugural Midcontinent Clean Energy summit provided panelists a pulpit for critiquing MISO’s interconnection queue setup as it strains under the weight of hundreds of gigawatts intended to further fleet shift and meet load growth.

MISO doesn’t believe autumn will prove much trouble for it to tackle, though it faces a capacity shortfall in Missouri.