Originally published for customers June 9, 2023
MISO’s interconnection queue is significantly backlogged and will lead to lengthy timelines for generation projects throughout the region. This situation is not unique, and the other independent system operators (ISO) and regional transmission organizations (RTO) are all facing a similar situation, but MISO is the only one of the majors that has taken significant steps towards a region-wide expansion of its transmission grid.
What’s the issue?
The Midcontinent Independent System Operator (MISO) recently approved its Tranche 1 Portfolio, the first of four tranches under MISO’s Long Range Transmission Planning efforts to ensure a reliable, resilient and cost-effective transmission system.
Why does it matter?
The success of the energy evolution in the United States is heavily dependent on the state of the broader electric transmission grid, which needs to be both upgraded and expanded in order to support the expected additions of renewable capacity. Long range transmission planning is a much-needed effort to achieve a carbon-free power sector. The process is lengthy and expensive, and other regions have not taken the necessary steps to begin their expansion plans in order to achieve a carbon-free power sector by 2035.
What’s our view?
MISO’s efforts have the potential to guide the transmission buildout and prioritization in other regions across the country. Its seven-step process should be followed by other ISOs and RTOs.
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