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April 4, 2025

SunZia Transmission

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Overheard at CERAWeek 2025
CERAWeek 2025 by S&P Global examined the changing energy landscape through 14 themes, from policy and regulation to climate and sustainability, but none seemed to draw more focus than the rapid expansion of AI and is potential transformative effects.
SunZia
FERC Approves Tariff for SunZia Transmission
FERC approved an open access transmission tariff for the SunZia HVDC line in the Southwest, which will govern how the merchant project can sell any additional capacity it has going forward.
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Community Engagement Key to Moving Transmission Projects Ahead

Transmission developers discussed the obstacles to getting their projects permitted and built, but also focused on successes, with a strong focus on community and stakeholder engagement.

SouthWestern Power Group
Regional AC Tx Line Approved in Parallel to SunZia
The BLM’s record of decision for Pattern Energy’s SunZia transmission line was also the final major approval needed for SouthWestern Power Group’s RioSol line.
CAISO
CAISO Retools Transmission Plan for Reliability, Renewables
CAISO published its 2022-23 transmission plan, taking a new approach to prioritizing dozens of transmission projects for renewable resources and reliability.
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Democrats Make the Case for Updating Permitting Laws at ACORE
Democratic officials told ACORE that a package emerging from House Republicans is a poor start to addressing permitting concerns.
Pattern Energy
SunZia Transmission OK’d by Ariz. Regulators
Arizona regulators granted a key approval to the SunZia Transmission project, which would deliver wind energy from central New Mexico into Arizona.
Pattern Energy
Effective Transmission Planning Requires Western RTO, Panelists Say
A Western RTO will be necessary to build the kind of grid needed to meet states' GHG goals, according to speakers on a panel hosted by ACEG.
Pattern Energy
SunZia Transmission Project: Not a ‘Unicorn,’ but not ‘Repeatable’
A transmission developer's 16-year odyssey to deliver New Mexico wind to California is a cautionary tale with implications for the nation’s climate policy.
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DOE Seeks Input on Tx Loan, ‘Anchor Tenant’ Programs
DOE is seeking comment on how it should implement the “anchor tenant” and revolving loan transmission programs created by the bipartisan infrastructure law.

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