According to C Three, which has the best information on transmission trends in the U.S., about 1,677 miles of new high-voltage capacity was added annually to the grid between 2008 and 2023.
In February 2023, the Department of Energy released the "National Transmission Needs Study," which claims the U.S. needs to build 47,300 gigawatt-miles of new power lines by 2035.
The same report says, "By 2040, new transmission deployment is projected between 100,000 and 185,000 GW-mi, a doubling in size of today's transmission system."
Jenkins may be correct that it "Shouldn't be viewed as impossible." But the odds of the U.S. building 75,000 miles of new high-voltage transmission over the next 10 years are, as my father used to say, "Slim and none, and Slim left town."
"About the only way to add new capacity today is to upgrade the existing high-voltage transmission line you have," she said.
Was proposed to connect the Rock Creek Wind project to two larger transmission lines that will carry wind energy out of Wyoming.
Last month, the San Carlos Apache tribe, Tohono O'odham Nation, the Center for Biological Diversity, and Tucson-based Archaelogy Southwest sued to stop the construction of a $10 billion high-voltage transmission project that aims to connect a wind project in New Mexico to consumers in southern Arizona.
https://wattsupwiththat.com/2024/02/21/out-of-transmission-revisited/
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