Midcontinent Independent System Operator (MISO)
MISO said its first crack at long-range transmission planning in the South region likely would take about three years to culminate in potential project recommendations.
MISO’s Independent Market Monitor has called for the RTO to change how it manages its Midwest-South transfer limit in ways he contends will open line capacity and reduce costs for Midwest market participants.
Texas regulators have approved the first transmission project in the Permian Basin Reliability Plan, along with several other projects.
The U.S. Department of Energy has terminated 321 grants totaling $7.56 billion for 223 projects, apparently targeting Democratic-leaning states.
Inflation and higher borrowing costs pushed MISO’s cost of new entry up by about 5% heading into the 2026/27 planning year, but stakeholders are questioning MISO’s use of 2020 data in calculations in order to keep prices lower.
Stakeholders told MISO they need a better explanation of the every-other-day capacity advisories issued for MISO South, which have become customary since the beginning of summer.
The D.C. Circuit Court of Appeals vacated a FERC order allowing MISO to end reactive power compensation, though the decision has no bearing on the nationwide discontinuation of payments for reactive power in Order 904.
MISO says it needs more time to finish meting out refunds, nearly a dozen years after a complaint was first raised to lower its transmission owners’ base return on equity.
MISO has slashed earlier renewable energy estimates and boosted natural gas contributions in its transmission planning futures in a rethink brought on by the Trump administration’s One Big Beautiful Bill Act.
MISO is poised to retain two of its term-limited board members in 2026 while adding an executive from a federal power marketing agency.
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