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December 5, 2025

Transmission Planning

Mayor Wendy Landry
New Faces at IESO, OEB Amid Outreach to Indigenous Communities
IESO and the Ontario Energy Board have added three new members to their governing bodies — including two Indigenous women mayors.
PG&E
FERC Approves PG&E’s Cost Recovery Request for Abandoned Battery
FERC approved PG&E’s request to recover more than $600,000 in costs for an abandoned battery plant in California.
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MISO Says JTIQ Tx Portfolio Stands — for Now
The $1.6 billion Joint Targeted Interconnection Queue transmission portfolio of SPP and MISO remains in play even though the Department of Energy has reneged on almost a half billion dollars in funding.
SPP
SPP Wants to Defer $7B in 765-kV Projects to 2026
SPP staff have reiterated their position to defer part of the RTO's planned 765-kV transmission overlay, setting aside about $7 billion in regional projects from its 2025 transmission assessment.
JIRSA Hedrick
Split Colo. PUC Approves Xcel Energy’s Markets+ Application
The Colorado PUC issued a split decision approving Public Service Company of Colorado’s application to join SPP’s Markets+, finding that market participation is in the public interest and will “provide a number of benefits.”
ISO-NE
ISO-NE Reveals 1st Details of Long-term Transmission Proposals
ISO-NE received six proposals from four different companies in response to its request for proposals to address transmission constraints and interconnect onshore wind in Maine.
MidAmerican Energy
MISO Moves to Increase Quarterly Project Count in Queue Express Lane
MISO wants to increase the number of generation projects it may study under its interconnection queue express lane from 10 to 15 per quarter.
Entergy Louisiana
1st Go at MISO South Long-range Tx Planning to Take 3 Years
MISO said its first crack at long-range transmission planning in the South region likely would take about three years to culminate in potential project recommendations.
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IESO Seeking to Stay ‘Two Steps Ahead’ of Need
IESO is adopting more “proactive” planning processes in response to a projected load increase of 75%.
ISO-NE
ISO-NE Publishes Draft 2026 Work Plan
Capacity auction reforms, a new asset condition reviewer role, parallel transmission planning efforts, new reserve products, Pay-for-Performance changes and interconnection modifications are likely to be on the docket for ISO-NE in 2026.

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