FERC Accepts SPP’s Western Interregional Transmission Coordination
Rosner Urges ‘Meaningful Action’ on Interregional Planning
SPP's new footprint following the RTO Expansion | SPP
Apr 14, 2026
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FERC accepted SPP’s tariff revision that establishes procedures governing interregional transmission coordination in the Western Interconnection between the grid operator and its neighboring planning regions following its RTO Expansion.
