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December 14, 2025

Midcontinent Independent System Operator (MISO)

Shutterstock
MISO, SPP Solicit Ideas on Allocating Joint Tx Costs
MISO and SPP are asking for stakeholder ideas on how they can cost share joint transmission projects that allow new generator interconnections.
MISO
MISO, TOs: More Time Needed for ROE Refunds
MISO and transmission owners said they need nine more months to issue refunds stemming from FERC's 2020 change to ROE in transmission rates.
Wisconsin PSC
Former Wisconsin Commissioner’s Texts Imperil Cardinal-Hickory Creek Line
Former Wisconsin Commissioner Mike Huebsch has tainted the permitting process of the Cardinal-Hickory Creek transmission line by contacting ATC and ITC employees through an encrypted messaging app during the permitting process.
Organization of MISO States
MISO, SPP Name Projects to Help Queue Troubles
MISO and SPP's joint targeted interconnection queue study turned up the first transmission projects that could help generation interconnect near the seams.
Shutterstock
NEPOOL Participants Committee Summer Meeting Briefs: June 24, 2021
According to a report from the External Market Monitor, energy prices and uplift costs in ISO-NE are higher compared to other RTO markets.
MISO
MISO Analyses Show Reliability Woes Without Transmission Builds
MISO says voltage stability and thermal issues will get out of hand within the decade unless it instates some transmission solutions.
MISO
MISO Prepares Hybrid Participation Model for Unknown Numbers
MISO is seeking a near-term pathway for hybrid resources in its markets while it works on a permanent participation model for storage-renewable combinations.
SOO Green
SOO Green Seeks Participation in PJM RTEP Process
Direct Connect Development Co. filed a complaint with FERC that PJM’s tariff and Operating Agreement are unjust and unreasonable.
Shutterstock
MISO Monitor Warns of Ramping Needs, Tx Congestion
In his annual State of the Market report, MISO’s Monitor said transmission congestion and heightened ramping needs continue to dog the RTO.
Bridgepointe
Members Explore MISO’s Role in Environmental Justice
MISO members and leadership discussed during Board Week what environmental justice would mean in the RTO's 15-state footprint.

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