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April 3, 2026

Transmission Planning

Lawrence Berkeley National Laboratory
LBNL Study Finds Power Prices Rose in 2025 Due to Multiple Factors
LBNL released an update to its retail price study, which showed power prices rose for most states between 2024 and 2025, after a half decade of mostly declining prices.
© RTO Insider
Regulators Past and Present Ask MISO for Public Findings on IMM Link to LRTP Complaint
A sitting state commissioner and two former regulators have asked MISO to publicly share any information it might gather on its Independent Market Monitor’s possible involvement in a five-state complaint against the RTO’s long-range transmission planning.
SEPA
SEPA Tracks 77 Large Load Tariffs Nationally with DELTa Database
SEPA released an update to a database it created to track large load tariffs, which are spreading faster as large load customers proliferate.
© RTO Insider
Competition, Industrial Groups Contest MISO Plan for Long-range Tx Stretching into PJM
The Electricity Transmission Competition Coalition and the Industrial Energy Consumers of America have mounted a challenge to MISO’s proposed method for building portions of long-range transmission projects that cross into PJM.
© RTO Insider
IESO Chief Seeks Improved ‘Alignment’ with Electric Distributors
Local distribution companies and bulk transmission system operators need to improve their alignment, IESO CEO Lesley Gallinger said at the ENERCOM 2026 conference.
Shutterstock
‘Lumpy’ Data Center Load Concerns Emerge in California

Data center load growth in California could turn out to be “lumpy,” with sudden, large increases in specific regions of the state, rather than smooth growth over time.

Shutterstock
PacifiCorp on Track to Meet Wash. 2030 Clean Energy Targets
PacifiCorp is preparing to bring online enough long-term clean energy resources to help the utility meet Washington's strict greenhouse gas targets by 2030.
Shutterstock
Senate ENR Examines Bulk Power System amid Permitting Push
The Senate Energy and Natural Resources Committee heard about the state of the bulk power system as it continues to work on permitting legislation.
© RTO Insider
ISO-NE Initial LTTP Analysis Rules Out 4 of 6 Proposals
ISO-NE’s initial review of proposals submitted for a first-of-its-kind transmission procurement indicates four of the six proposals do not meet the technical requirements and are not eligible for selection.
© RTO Insider
Group Raises Questions over MISO IMM Involvement in $22B Tx Plan Complaint
A new group formed to represent electric ratepayer interests has raised questions about interactions between MISO’s Independent Market Monitor and the state regulatory agencies seeking to overturn the RTO’s $22 billion long-range transmission portfolio through a FERC complaint.

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