January 22, 2025

Midcontinent Independent System Operator (MISO)

Entergy Mississippi
Mississippi PSC Audit Questions MISO Membership
The Mississippi Public Service Commission is using an audit of MISO membership to question whether Entergy Mississippi should remain among the RTO’s membership, attracting blunt criticism from several renewable energy organizations.
© RTO Insider LLC
MISO Stresses DR Capacity as Emergencies Accumulate
MISO staff have characterized LMR use as accessing the capacity that members make available to them, de-emphasizing emergency protocols.
© RTO Insider LLC
Midwestern Grid Operators Battle Summer Heat
SPP, ERCOT and MISO are all taking action this week to meet high demand as sweltering summer temperatures kick in.
MISO
MISO Dusts off MVP Cost Allocation for Long-range Tx Plan
MISO revealed that it will use the cost allocation devised for 2011's Multi-Value Project portfolio for its long-term transmission plan.
Waymarking
FERC Upholds Decision on MISO-SPP Overlapping Charges
FERC has upheld its order that MISO and SPP fix their overlapping congestion charges on pseudo-ties despite a rehearing request from MISO.
© RTO Insider LLC
ACORE Panelists: Resilient Tx Needed for Severe Weather
Major transmission construction will help the grid tolerate increasingly severe weather, panelists said at a recent ACORE webinar.
Entergy
South Regulators Lambast MISO Long-term Tx Planning
State commission staff from MISO South questioned MISO's long-range transmission plan at an Entergy State Regional Committee meeting.
Texas Admin Monitor
Texas Public Utility Commission Briefs: July 15, 2021
Texas PUC staff and ERCOT staff have been "living on coffee and anger" as they work together to redesign the state's deregulated market.
Shutterstock
MISO Members Revive Debate over ‘Postage Stamp’ Cost Allocation
The postage-stamp cost allocation method for long-term transmission projects might be coming back in vogue in MISO.
Berkeley Lab
Solar Surpasses Wind in MISO, SPP Queues
Solar has overtaken wind in the interconnection queues of MISO and SPP as declining PV costs make solar attractive even in wind belt states.

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