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April 1, 2026

MISO

The Midcontinent Independent System Operator is a regional transmission organization that plans transmission projects, administers wholesale markets for its membership and manages the flow of electricity in Arkansas, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Montana, North Dakota, South Dakota, Texas and Wisconsin. 
MISO-SPP Targeted Interconnection Study Moves Forward
The MISO-SPP joint targeted interconnection queue study has moved into its technical phase with a promise of more stakeholder involvement.
MISO Preps for Dynamic Line Ratings
MISO has developed a rough idea of how it might manage dynamic transmission line ratings should FERC begin to require them. 
Winter Wrath Not Enough to Break MISO Records
February's cold snap set MISO’s winter peak this year but didn’t unseat the grid operator’s all-time winter demand record, stakeholders learned.
Colo. Regulators Consider the Advantages of Interstate Tx
The Colorado PUC discussed the potential benefits of interstate transmission planning, while the Senate is reviewing a bill requiring RTO membership.
MISO, Stakeholders Disagree on Post-storm Accreditation
MISO staff and stakeholders clashed in front of board members on whether the RTO’s proposed capacity accreditation design should move forward.
MISO Members Aim for Mandatory Consultant Transparency
A controversial rule requiring consultants to be upfront about who they represent could be codified in MISO’s Stakeholder Governance Guide.
MISO Execs Defend Need for Long-range Tx
MISO executives issued dire warnings about the possible fallout if the grid operator doesn’t pursue big ticket transmission projects in its footprint.
No MISO-SPP Joint Study in 2021
MISO, SPP won’t do a major interregional transmission study in 2021; they are focusing on a joint targeted interconnection queue study.
Minnesota PUC Approves ‘Last Good-priced’ Wind PPA in MISO
Minnesota regulators approved a PPA between Xcel Energy and a 200-MW Iowa wind farm that the utility says is the “last good-priced” wind in MISO.
ACORE: Lack of Interregional Tx Planning Slowing Wind, Solar Development
A lack of interregional transmission projects is stymying the growth of renewable resources in SPP, MISO & PJM, according to a new report released by ACORE.

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