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This week, it was Diamonds or Dust, Coal Under Pressure on the extensions, retirements, little bit of history and global happenings with coal also, sulfur emissions, which spiked in 2025 blog.gridstatus.io/coal-arreste... 2/5

blog.gridstatus.ioDiamonds or Dust, Coal Under PressureCoal in the US is benefiting from both targeted and indirect policy decisions, somewhat arresting its 15-year decline. We look at operations within and outside markets, a global view, and a significan...

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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...