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Plains and Eastern Clean Line

All dates below are specific to the schedule of the Environmental Review and Permitting processes for this project.

Electricity Transmission
FAST-41 Covered Projects
Department of Energy

As of March 23, 2018, DOE and Clean Line Energy Partners have mutually agreed to terminate their Participation Agreement. NextEra Energy Resources has acquired Plains and Eastern Clean Line Oklahoma LLC and all of the assets for the transmission project in Oklahoma. For more information, see:

Archived Project Description: Clean Line seeks the Department’s participation in the development, siting, construction, operation, maintenance, and ownership of high voltage direct current (HVDC) transmission facilities running approximately 705 miles from western Oklahoma to the Arkansas-Tennessee border (the Project). Clean Line, acting on its own and without the Department’s participation, would build additional facilities that would connect to the Project in Texas and Tennessee. The Project would deliver up to 4,000 megawatts (MW) of primarily wind generation from the Oklahoma and Texas Panhandle region to the mid-South and Southeastern United States, which could meet the annual energy needs of more than 1.5 million average American homes.

Permitting Timetable

The permitting timetable below displays data as reported by agencies. Dates for Environmental Review and Permitting processes (Actions) that are in 'Paused' or 'Planned' status are subject to change and are not indicative of a project's final schedule.

  • For information about extensions, select an Action from the timetable below and select 'View Action Details' at the bottom of the page.
Responsible Agency
Actual Completion Date