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December 17, 2025

Transmission Planning

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.
© RTO Insider LLC
MISO Queue Critiques Take Focus at Infocast Midcontinent Conference
Infocast’s inaugural Midcontinent Clean Energy summit provided panelists a pulpit for critiquing MISO’s interconnection queue setup as it strains under the weight of hundreds of gigawatts intended to further fleet shift and meet load growth.
Shutterstock
New York Orders Utilities to Join in Proactive Grid Planning
New York is ordering electric utilities to plan for expected future demand from the clean energy transition and identify urgent infrastructure needs that already exist. 
© RTO Insider LLC
Some MISO Regulators Signal Early Discontent with New MISO-PJM Interregional Study
Some members of the Organization of MISO States are implying that MISO’s new interregional study with PJM is falling short of their hopes for a rigorous search for seams transmission projects.
Entergy
2023 Queue Cycle Delayed into 2025 as MISO Seeks Software Help on Studies
MISO said its 123-GW collection of projects in the 2023 queue cycle will be subject to another delay into early 2025 as it pauses to see if a tech startup can help it better scale interconnection studies.
© RTO Insider LLC
PJM PC/TEAC Briefs: Aug. 6, 2024
PJM could see a growing capacity shortfall starting with the 2029/30 delivery year, the RTO found after running its effective load carrying capability (ELCC) model on a generation mix forecast through the 2034/35 DY.
© RTO Insider LLC 
NYISO Previews Work on Compliance with FERC Order 1920
NYISO has begun gathering stakeholder input on its FERC Order 1920 compliance plan, giving stakeholders a preview of the revisions needed.
© RTO Insider LLC
SPP Board of Directors/RSC Briefs: Aug. 5-6, 2024

SPP directors and regulators have approved the grid operator’s first winter planning reserve margin, endorsing a base PRM that is 3 percentage points higher than many of its utilities wanted.

© RTO Insider LLC
SPP Considering 765-kV Solution for Permian Basin
SPP is considering a 765-kV solution and several 500-kV proposals in its Permian Basin footprint in Texas and New Mexico as it dabbles with extra-high-voltage transmission lines.
Grid United
DOE Announces $2.2B in Grid Resilience, Innovation Awards
DOE announced its second round of grants for the GRIP program, with $2.2 billion going to eight projects that could expand grid capacity, reliability and flexibility across 18 states.

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