NorthWestern Energy to seek new capital resources in South Dakota

NorthWestern Energy (NWE) Public Service Corporation d/b/a NorthWestern Energy Group will issue an all-source capacity request for proposals, RFP, on Aug. 15, 2025, for its South Dakota electric system. The capacity resource RFP is focused on improving reliability by securing additional capacity through a market solicitation. NorthWestern Energy is also exploring opportunities to participate in the Southwest Power Pool Expedited Resource Adequacy Study, a one-time accelerated study of generation projects needed to address resource adequacy and reliability needs in the SPP footprint.