Transmission Planning

Hanson Inc.
Ameren Argues Exclusive Rights to MISO Illinois Competitive Tx Projects
Ameren Illinois argued to FERC that it should have dibs on sections of two competitive long-range transmission projects worth almost $2 billion from MISO’s second portfolio, claiming Illinois’ “first in the field” doctrine is tantamount to a right of first refusal law.
© RTO Insider LLC
MISO Revising Transmission Futures After Repeal of Tax Credits
The federal government’s rollback of incentives for renewable energy has thrown a wrench into MISO’s work to develop four new transmission planning scenarios. 
NYISO
NYISO Presents Informational CAFs for Non-firm Generators
NYISO provided a glimpse into the possible capacity accreditation factors for gas generator units that have not guaranteed a supply of fuel for the winter capability period.
SPP
FERC Approves SPP’s ERAS Process, Accreditation
SPP is celebrating several recent FERC orders that have strengthened its resource adequacy framework that it says will secure a “reliable energy future” for its region.
Shutterstock
NYISO Cancels Offshore Transmission Studies
In the wake of the New York Public Service Commission’s decision to cease planning its offshore wind underwater transmission network, NYISO has followed suit, tossing two years of planning studies.
© RTO Insider LLC
SPP Strategic Planning Committee Briefs: July 17, 2025
SPP's Strategic Planning Committee has unanimously endorsed staff’s comprehensive approach to accelerate transmission capability, directing them and the RTO's working groups to prioritize the development of policies for all short-, mid- and long-term initiatives.
Senate ENR Committee
Senate Hearing Examines Return of Electricity Demand Growth
The Senate Energy and Natural Resources Committee held a hearing on the growing demand for power and how to address it.
ISO-NE
ISO-NE Analysis Details Benefits of Demand Flexibility
Increased demand flexibility could significantly reduce production costs, capital costs, and transmission costs in New England by better-aligning load with generation and reducing peak loads, ISO-NE said.
Invenergy
DOE Pulls $4.9B in Funding for Grain Belt Express
DOE has terminated its $4.9 billion conditional loan commitment for the long-delayed Grain Belt Express project, saying it is “not critical” for the federal government to support the project.
NextEra Energy Transmission
NextEra Energizes 2nd Competitive Project in SPP
NextEra Energy Transmission completed the second of its three competitive projects in SPP’s footprint, the 92-mile, 345-kV Wolf Creek-Blackberry project in Kansas and Missouri.

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