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Who is Clean Line Energy? 


Clean Line Energy Partners, LLC is a private company based in Texas that proposes to build five high voltage direct current transmission line projects at this time: Rock Island "Clean" Line, Grain Belt Express, Plains and Eastern, Western Spirit and Centennial West.

Rock Island Clean Line Facts



Who are Clean Line Investors? 


Clean Line’s investors include the Houston-based Zilkha family, funds associated with ZBI Ventures, and National Grid. ZZBI Ventures is a wholly-owned subsidiary of Ziff Brothers Investments, the private investment firm of the New York-based Ziff family. ZBI Ventures focuses primarily on private equity investments in the energy and energy-related sectors. 

Rock Island Clean Line is one of Clean Lines Projects


Rock Island Clean Line states they will deliver 3,500 megawatts of wind power from northwest Iowa and the surrounding region to communities in Illinois and other states to the east

Rock Island Clean Line Plans to use  Eminent Domain 

The Iowa Utilities Board franchise process allows RICL to use the power of eminent domain to take private property if their project is approved. RICL intends to exercise this right. 

Transmission Structures 


There are many different types of transmission structures used to deliver power.  

The images above show two types of structures RICL intends to use.  The average specifications for a typical steel monopole is 110- 140 feet and a typical steel lattice transmission structure is 120- 150 feet. 


Federal Energy Regulatory Commission (FERC)


On November 2011, Clean Line Energy filed an application with the Federal Energy Regulatory Commission (FERC) seeking authority to negotiate rates and enter into contracts with customers for the project. The application can be found on the Federal Energy Regulatory Commission's website or click here. On May 22, 2012, this application was approved by FERC.  View FERC's approval.


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