MISO said it will leave the 10-year-old guiding principles for its market design untouched after it conducted a check-in with stakeholders to gauge whether they are still valid in a rapidly changing industry.

MISO told its Board of Directors that drafting an interconnection queue express lane for generators that resolves resource adequacy risks and has stamps of approval from regulators is essential.

MISO expects its in-service solar capacity to grow to 12 GW by the end of winter, a 50% increase over its existing fleet.

The MISO Board of Directors approved a landmark, 24-project, mostly 765-kV collection of transmission lines and facilities for the RTO’s Midwest region at a cost of $21.8 billion.

Former Southern California Edison Senior Vice President Erik Takayesu is joining MISO’s Board of Directors.

MISO Independent Market Monitor David Patton has made a final stand against the RTO’s $21.8 billion long-range transmission plan, while members are advising the MISO Board of Directors that the IMM's opinions on transmission shouldn't hold water.

MISO, PJM and SPP have failed for years to find a suitable replacement for a 20-year-old system reference they use to portion out flow rights on their system, the so-called freeze date.

The MISO Board of Directors hit the high notes of resource adequacy anxiety, a possible new member with experience at Southern California Edison and an annual budget that will creep past $400 million.

MISO said it managed a milder summer overall compared to previous years, though it weathered two hurricanes and escalated into emergency warnings during a heat wave.

MISO’s quarterly public meetup with its board of directors put on display the unrelenting rift between the RTO’s planners and the Independent Market Monitor over MISO’s $21 billion in long-range transmission planning.