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December 20, 2025

interregional transmission planning

© RTO Insider
MISO Cost Allocation Plan Hits Interregional Differences
MISO is delaying release of a final draft of its cost allocation redesign for market efficiency projects because of conflicting stakeholder feedback.
MISO, PJM Plan 2 Studies for Seams Projects
MISO and PJM will pursue two separate interregional studies this year to identify potential joint transmission projects, the stakeholders learned during an IPSAC conference call.
SPP
SPP Seams Steering Committee Briefs: May 2, 2018
SPP and MISO staff are evaluating feedback gathered from their members on how best to improve their interregional planning process.
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FERC OKs MISO TMEP Cost Recovery Schedule
FERC approved the MISO proposed cost recovery schedules for its new category of smaller interregional transmission projects with PJM.
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New Midwest Infrastructure Must Respect Trends, Experts Say
Industry experts talked about the trends dictating new energy infrastructure at a Midwest Energy Policy Series panel hosted by the Missouri Energy Initiative.
PJM, MISO Considering 2018 Interregional Analysis
MISO and PJM will decide by May 18 whether to undertake a coordinated system plan study this year, the RTOs said.
MISO
Rehearing Denied on MISO South Cost Allocation
FERC rejected state and local regulators’ rehearing request over MISO’s plan to include its South region in cost sharing for its TMEPs with PJM.
Stakeholders Debate MISO Cost Allocation Plan
Stakeholders are questioning a MISO proposal that would draw a sharp distinction between the cost allocation eligibility for interregional and internal projects.
© RTO Insider
MISO, SPP Look to Ease Interregional Project Criteria
MISO and SPP are ready to reform their interregional planning process to improve their shot at producing their first cross-border transmission project.
CAISO Recommends $2.7 Billion Tx Spending Cut
CAISO is recommending cutting more than $2.7 billion from current transmission spending estimates across the 2027 planning horizon.

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