DOE drops Southwest transmission corridor plan after rural pushback
The U.S. Department of Energy will not move forward with a proposed electric transmission corridor that drew significant opposition from New Mexico farmers, ranchers, landowners, and rural communities.
The announcement came Aug. 12, the same day stakeholders met with DOE officials in Roswell, New Mexico, for an information meeting regarding the proposed National Interest Electric Transmission Corridor, or NIETC.
Energy Secretary Chris Wright announced that the DOE would halt the designation process for all three NIETCs selected for further review in December 2024: the Southwestern Grid Connector Corridor, Lake Erie–Canada Corridor, and Tribal Energy Access Corridor.
“Extensive review, including public feedback and stakeholder input, made clear that the current designation process for these three proposed transmission corridors should not continue,” Wright said.
The decision is particularly significant for New Mexico agriculture. The Southwestern Grid Connector Corridor included portions of New Mexico, southeastern Colorado, and the Oklahoma Panhandle.
Agricultural producers, landowners, and rural officials had raised concerns about private property rights, eminent domain, impacts on working agricultural lands, and uncertainty about what a federal corridor designation could mean for future transmission development.
A NIETC designation does not itself authorize construction of a transmission line. However, designation can provide access to federal financing and, under certain circumstances, a pathway for federal siting and permitting authority — a key source of concern for some landowners along the proposed route.
The DOE had said the Southwestern corridor could alleviate transmission congestion, accommodate future electricity generation and demand, improve grid reliability, and strengthen connections between the Southwest Power Pool and WestConnect regions.
New Mexico agricultural groups celebrate
The New Mexico Cattle Growers’ Association welcomed the announcement after working alongside landowners and other stakeholders to raise concerns about the proposal.
“Important, good news,” NMCGA President Tom Paterson told members. “Our thanks to everyone who worked so diligently to educate stakeholders about the potential negative impacts this could have had on our industry and communities.”
Paterson concluded, “Congratulations on a well-fought battle, Cattle Growers.”
The response from the organization’s members reflected how closely the issue had been followed in rural New Mexico.
“Thank you NM Cattle Growers for fighting for our values and holding town hall meetings in all of our counties,” one commenter, Bill Williams, wrote in response to the announcement. “This was a victory on the national stage and it eliminated the final three NIETC corridors.”
Another commenter, Colette Chandler, thanked the New Mexico Cattle Growers, Public Lands Council, stakeholders, and members of the public who participated in the process, calling it “a long battle” that was worth the effort.
The DOE itself pointed to public participation as a factor in its decision.
“Transmission policy must serve the American people,” Wright said, adding that the administration intends to prioritize “affordable, reliable, and secure electricity to American families and businesses.”
Grid investment continues
While the DOE is ending the three NIETC designation efforts, the department noted that the decision does not represent an end to federal investment in transmission infrastructure.
In October 2025, the DOE’s Office of Energy Dominance Financing closed a $1.6 billion loan guarantee to AEP Transmission to reconductor and rebuild nearly 5,000 miles of transmission lines across five states.
In February, the office closed $26.5 billion in loans to Southern Company subsidiaries Georgia Power and Alabama Power to support generation and grid investments, including more than 1,300 miles of transmission and grid enhancement projects.
The DOE’s Office of Electricity also announced the $1.9 billion SPARK funding opportunity in March, aimed at increasing grid capacity, reliability, and affordability.
More recently, DOE closed an approximately $3.3 billion loan to AEP Texas in July to build, rebuild, or reconductor more than 2,800 miles of transmission lines.
That same month, the Office of Electricity released its draft 2026 National Transmission Needs Study, identifying additional transmission needs driven in part by growing electricity demand.
The department said its decision on the NIETCs also aligns with the Trump administration’s broader energy policies, including executive orders titled “Unleashing American Energy” and “Strengthening the Reliability and Security of the United States Electric Grid,” as well as Wright’s February 2025 secretarial order, “Unleashing the Golden Era of American Energy Dominance.”
The administration has framed those policies around increasing domestic energy production while improving grid reliability and affordability.
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