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and you can also track everything we're writing about this under the SPP West tag on Grid Status Insights first day-ahead results next Tuesday, real-time live on Wednesday WEIS, the SPP-administered real-time balancing market will go away www.gridstatus.io/insights/top... 4/5

gridstatus.ioInsights - SPP West | Grid StatusOn April 1, 2026 SPP is expanding its RTO into the Western Interconnection, crossing the HVDC tie line to create the first multi-state RTO in the West. The initial expansion of SPP in two Western Area...