Regional electric grid operators—already facing resource adequacy and reliability challenges with baseload capacity retirements and changes in the generation resource mix—are now grappling with unprecedented increases in near-term electric power demand driven by data centers and new industrial loads. PJM Interconnection, L.L.C. (PJM), Midcontinent Independent System Operator, Inc. (MISO), and Southwest Power Pool, Inc. (SPP) each are attempting to address near-term resource adequacy concerns by expediting interconnection studies for high-priority generation projects.

PJM was the first among the grid operators to propose an expedited interconnection study process, filing its RRI proposal with the Federal Energy Regulatory Commission (FERC) on 13 December 2024. RRI is a one-time expansion o

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