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December 5, 2025

HVDC

IESO
Planners Pick $1.5B Underwater HVDC Line for Toronto’s ‘Third Supply’
IESO system planners recommended the construction of a $1.5 billion HVDC line to meet Toronto’s growing energy needs, saying it would be more “future proof” than two cheaper options.
Invenergy
DOE Pulls $4.9B in Funding for Grain Belt Express
DOE has terminated its $4.9 billion conditional loan commitment for the long-delayed Grain Belt Express project, saying it is “not critical” for the federal government to support the project.
RMI
RMI Argues Regionally Planned Transmission Leads to Unexpected Benefits
Major regional and interregional transmission lines might be big investments, but they tend to produce more benefits than expected, RMI said in a report. 
© RTO Insider LLC
Clean Grid Alliance Wants MISO Market Participation Rules for HVDC
Clean Grid Alliance is asking MISO to incorporate rules for HVDC into MISO’s energy and ancillary services markets.
DOE
DOE Funding 4 Large Tx Projects, Releases National Tx Planning Study
The Department of Energy announced two actions to support the expansion of the transmission grid: investing up to $1.5 billion in four specific projects around the country and releasing the final National Transmission Planning Study. 
DNV
Study: HVDC Needs Standards to Take off in US to Aid Offshore Wind
Before the use of HVDC transmission lines can be expanded in the U.S., the offshore wind industry needs to set some standards, according to a joint company survey.
NREL
Counterflow: Offshore Wind Backbone Transmission
DOE released a study of offshore wind transmission. In no way does this study establish, or even claim, that offshore wind makes economic sense, according to Steve Huntoon.
PacifiCorp
DOE Report, Funding Seek to Break down Barriers to Grid Innovation

Utilities are rolling out new GETs projects, DOE officials said, but “there are more than 3,000 utilities in the United States, and a few excellent projects won’t get us where we need to be.”

DNV
Report Extols the Benefits HVDC Lines Offer the Grid
A report released by ACORE and Grid United highlighted how Europe is using HVDC transmission lines to advance its decarbonization efforts and explained how the U.S. could do the same.
© RTO Insider LLC
Experts Urge MISO to Consider New 765 kV and HVDC Lines
Presenters at a special two-day meeting of the Planning Advisory Committee advised MISO to consider recommending 765 kV and HVDC transmission lines.

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