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Clean Line Energy Partners has announced that the Southwest Power Pool's (SPP) Transmission Working Group (TWG) has accepted that the Plains & Eastern Clean Line reliability studies completed to date have met the coordinated planning requirements.

These interconnection studies, conducted by Siemens PTI, stem from SPP Criteria 3.5, which requires entities requesting transmission interconnections to work with the SPP, the TWG and affected parties to ensure grid reliability. SPP Criteria 3.5 studies were initiated in May 2010, when Clean Line requested that SPP study the connection of the Plains & Eastern transmission project to the SPP grid in the Oklahoma Panhandle.

According to the company, the $2 billion Plains & Eastern Clean Line will deliver up to 3,500 MW of clean power from western Oklahoma, northern Texas and southwestern Kansas to utilities and customers in Tennessee, Arkansas and other markets in the Mid-South and the Southeast. The clean energy will be transported via an approximately 750-mile overhead high-voltage direct current transmission line.

“The acceptance of these studies by the SPP Transmission Working Group represents the culmination of two years of collaborating with SPP and affected parties to ensure that the Plains & Eastern project can be interconnected in a reliable manner,” says Wayne Galli, vice president at Clean Line.

In addition, Clean Line has announced that it recently submitted to SPP the proposals for the Plains & Eastern Clean Line and Grain Belt Express Clean Line projects, which the company says are both +/-600 kV high-voltage direct current transmission projects capable of transmitting 3,500 MW from the SPP footprint to external-to-SPP sinks.



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