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December 26, 2025

Midcontinent Independent System Operator (MISO)

Mixed Decision on Rehearing for Grand Rivers Adders
FERC granted Ameren a rehearing on an incentive rate treatment for only one portion of the company’s Grand Rivers transmission project.
MJ Electric
FERC OKs MISO External Capacity Zones, Dispute Deadlines
MISO can create external zones for its annual capacity auction and place time limits on members’ settlement disputes, FERC ruled in a pair of Oct. 31 orders.
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MISO Pivots to Near-term Resource Availability Fixes
MISO staff now say they will zero in on three short-term resource availability and need fixes that can be rolled out early next year.
MISO Tariff Changes Target Cybersecurity Data Sharing
MISO has drafted proposed Tariff changes that would allow it to share more information on significant cyberattacks with the federal government.
Few Clear Lines in MISO Storage as Tx Plan
A MISO workshop on energy storage as transmission made clear how much the technology is blurring the once clear lines between generation and transmission.
FERC Again Denies MISO Wind Developers’ Queue Complaint
FERC rejected rehearing requests from wind developers who say MISO is moving too slowly for them to meet the PTC deadline.
MISO Foresees Manageable 2018/19 Winter
While MISO expects to have ample resources on hand for what should be a warmer-than-normal winter, it is still preparing for emergencies.
Entergy
Entergy Share Price Jumps with Solid Quarter
Entergy reported third-quarter earnings of $536 million ($2.92/share), as compared to $398 million ($2.21/share) a year ago.
MISO Members Uneasy over Board Nomination
MISO members expressed concerns about the nomination of Minnesota Public Utilities Commission Chair Nancy Lange to the MISO Board of Directors last week.
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Overheard at OMS 2018 Annual Meeting
The Organization of MISO States reflected on its 15 years of existence and looked ahead to how its member states can best accommodate an evolving grid.

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