Plains and Eastern seeks capacity

Clean Line Energy Partners has begun an open solicitation process for capacity on its proposed Plains and Eastern transmission line that would deliver up to 3.5GW of wind power from Oklahoma and Texas to the US southeast and mid-south.

The developer intends to subscribe up to 100% of the project’s capacity to customers through an “open and transparent capacity allocation process.”

The $2bn project involves a proposed 700 mile (1,126km) overhead 600kV direct current transmission line. The western part of the line would connect to the transmission system operated by the Southwest Power Pool in Oklahoma. It would cross Oklahoma and Arkansas and connect with the Tennessee Valley Authority’s substation near Memphis.

Clean Line is hoping to sign TVA, the nation’s largest federal government-owned electric utility, as a cornerstone user of Plains and Eastern. TVA is looking to improve its carbon profile and could also wheel part of the wind power to neighboring electric utilities. 

Clean Line has proposed an intermediate converter station in Arkansas that would have the capacity to deliver up to 500MW of power.

Only customers that purchase capacity on the line pay for it. Based on current estimates, the project is expected to achieve commercial operation at the end of 2018.

Officials in Oklahoma have been supportive of the project as the state has far more high-quality wind resource than it possibly can utilize.  

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