The D.C. Circuit Court of Appeals has dismissed transmission customers’ argument against ITC Midwest receiving an abandonment rate incentive for an Iowa line segment included MISO long-range transmission planning.

MISO will waste no time in 2025 trying to blunt the threat of a shortage that could arrive in the summer months by encouraging new generation and enacting further resource adequacy measures.

Facing proliferating load additions, MISO has begun developing in-house long-term load forecasts after years of relying on outside help to form load outlooks.

MISO will examine one of the long-range transmission projects from its first portfolio following a cost increase of more than two and a half.

MISO President Clair Moeller predicted MISO will face a few tough years before securing enough generation to tame load growth and fashioning operational tools that help subdue the volatility of renewable energy.

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.

MISO further embraced the industry’s move to chance-based transmission planning by hosting a Probabilistic Planning Symposium at its headquarters.

Stakeholders want MISO to develop a smaller, congestion-relieving transmission study after this year’s near-term congestion study focused on how best to sequence transmission outages needed for construction of long-range transmission projects.

MISO will take a breather from its long-range transmission planning over 2025 to retool the 20-year future scenarios that are the foundation of the transmission portfolios.

MISO members are mulling an advisory vote on whether to support the RTO’s $21.8 billion long-range transmission plan portfolio while tensions simmer over the necessity of the expansion.