Independent Market Monitor (IMM)
LS Power
FERC partly granted a complaint from LS Power challenging the calculation of opportunity cost adders, requiring operating agreement revisions.
Cleco
The MISO Independent Market Monitor called on the RTO to develop a penalty system for generation for underperformance during emergencies.
Constellation Energy
FERC approved Constellation's purchase of Calpine, which will create an even bigger IPP with nearly 60 GW around the country, with the biggest share of that in PJM.
© RTO Insider
FERC sided with MISO IMM David Patton, denying a petition from MISO that would have prevented the RTO from reimbursing the Monitor for reviewing the market impact of transmission planning.
MISO
MISO’s Independent Market Monitor has expressed lingering dissatisfaction with NERC’s Long-Term Reliability Assessment, even with potentially corrected values.
© RTO Insider
MISO’s Independent Market Monitor has released four new market improvement recommendations concerning transmission congestion, the Midwest-South transmission link, market-to-market coordination and price settlements after grid devastation.
MISO
MISO said it no longer will recognize energy efficiency as a capacity resource beginning with the 2026/27 auction.
© RTO Insider
NERC acknowledges it used mismatched data to calculate MISO's risk level in its Long-Term Reliability Assessment and plans to release a revised report soon.
© RTO Insider LLC
The MISO Independent Market Monitor insisted to FERC that MISO’s own rules allow him to assess transmission. Market monitors of other grid operators backed him up.
Potomac Economics
Energy storage resources and solar capacity helped reduce ancillary services costs and tight system conditions in the ERCOT market during 2024, according to a recent market report.
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