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December 16, 2025

Transmission Planning

DNV
Study: HVDC Needs Standards to Take off in US to Aid Offshore Wind
Before the use of HVDC transmission lines can be expanded in the U.S., the offshore wind industry needs to set some standards, according to a joint company survey.
© RTO Insider LLC
ACEG Report Lays out Best Practices for States to Build Transmission
Americans for a Clean Energy Grid released a report highlighting the critical role states can play in modernizing and expanding the grid. 
MISO
MTEP 24 Reaches $6.7B; MISO Ending Rush Island Reliability Agreement in Mid-October
MISO’s 2024 transmission planning cycle is shaping up to include 459 new projects totaling $6.7 billion.
Stefan Andrej Shambora, CC BY-2.0, via Wikimedia Commons
WestTEC Committee OKs Plan for ‘Actionable’ Tx Study

The WestTEC steering committee unanimously approved the plan that will underpin a Western transmission study designed to spur development of interregional projects over the next two decades.

Lawrence Berkeley National Lab
AEU Webinar Highlights Potential Queue Improvements
Speeding up the interconnection queues is becoming more important as demand growth and the retirement of existing generators combine to cut into reserve margins around the U.S., experts said during a webinar hosted by Advanced Energy United.
Northern Indiana Public Service Co.
MISO: 50% Peak Load Cap, Software Help Key for Crowded, Delayed Queue
MISO is adamant that it should limit project proposals in future queue cycles to 50% of annual peak load to moderate its 300-GW, oversaturated queue.
Garth Weals, CC BY-SA 4.0, via Wikimedia Commons
CAISO IDs More Challenges in Refining Interconnection Process
CAISO dove into Track 3 of its Interconnection Process Enhancements initiative as staff and stakeholders grappled with how to solve problems related to allocating transmission plan deliverability.
Invenergy
Parties Argue for More Changes to Interconnection Rules from FERC
FERC is considering additional changes to its rules on generator interconnections, with a technical conference set for Sept. 10-11 that saw pre-conference comments filed this week.
National Grid
National Grid Lining up 70-plus Transmission Projects
National Grid’s Upstate Upgrade is a portfolio of more than 70 projects announced in March that will continue through 2030 at a cost of more than $4 billion.
ERCOT
ERCOT Board of Directors Briefs: Aug. 19-20, 2024
ERCOT’s rule change to the Nodal Operating Guide that imposes voltage ride-through requirements on inverter-based resources has been partially approved, but much work remains.

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