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December 26, 2025

Midcontinent Independent System Operator (MISO)

MISO Market Subcommittee Briefs: Oct. 11, 2018
MISO’s Monitor pointed to other RTOs to illustrate the ineffectiveness of the coordinated transaction scheduling (CTS) between MISO and PJM.
SPP
SPP Briefs: Week of Oct. 8, 2018
FERC approved the first SPP seams project when it accepted Tariff revisions incorporating a cost-sharing and usage agreement with AECI.
MISO Monitor Reiterates Call for Capacity Deliverability
MISO’s IMM urged the RTO to require that planning resources have firm transmission to ensure they can deliver their full installed capacity.
© RTO Insider
MISO Offers Storage Proposal, Promises to Exceed Order 841
MISO offered its energy storage participation proposal for final stakeholder inspection while promising to introduce more new market rules in the future.
North Dakota Studies
Coal Group Seeks Reliability Bonus from MISO, SPP
The Lignite Energy Council, a coal lobbying group, reportedly plans to approach MISO and SPP in an effort to have them pay more for coal-fired generation.
MISO: Sept. Emergency Response Improved by Jan. Event
Lessons from the Jan. 17 MISO South emergency resulted in smoother management of the Sept. 15 emergency in the region, RTO officials told stakeholders.
MISO
MISO: 20% Renewable Limit for Adequate Frequency Response
MISO said its grid can currently sustain 20% renewable penetration without damaging frequency response.
MISO Narrowing Options on Resource Availability Fix
MISO leadership has not yet decided on how it can improve resource availability, though it is evaluating several possible remedies, the RTO said.
IPSAC
MISO, PJM Endorsing 2 TMEPs for Year-end Approval
MISO and PJM have whittled 20 prospective targeted market efficiency projects (TMEPs) down to two.
© RTO Insider
MISO Granted Longer Deadline for Offer Caps
FERC granted MISO a two-year lead time to implement a new offer cap, while also directing the RTO to submit another compliance filing to meet Order 831.

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