Weeks after the nearly $2 billion Joint Targeted Interconnection Queue (JTIQ) transmission portfolio was awarded a $465 million Department of Energy grant, MISO and SPP are switching their proposed cost allocation for the projects.

Battery storage that charges from the grid should be able to use non-firm transmission service, MISO has decided.

MISO says its 2024 Transmission Expansion Plan will look much the same as last year’s MTEP.

After completing its initial economic and reliability analysis, MISO has found numerous overloads and congestion await its system if it doesn’t recommend a second long-range transmission plan portfolio.

MISO agrees that it should relax onerous transmission service requirements for energy storage resources charging from the grid.

The revised MTEP 23 plan dropped from $9.4 billion to $8.96 billion with the deferral of phase 3 of Entergy Louisiana’s Amite South reliability project.

In light of stressed-out supply chains and a bogged-down study process, MISO has agreed to re-evaluate its rules around commercial operation dates in its interconnection queue.

MISO says it will file in October to put stronger obligations and more monetary risk on queue entry to weed out speculative generation projects and take pressure off its overcrowded interconnection queue.

MISO stakeholders are trying to figure out what transmission service requirements the grid operator has in place for battery storage that charges from the grid.

MISO proposes megawatt limits on annual project proposals, tripled entry fees and escalating penalty charges in its quest to oust speculative projects and lighten its gridlocked interconnection queue.