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Range Energy Storage Systems Bulk Energy Storage for California

Range Energy Storage Systems is a partnership between Sammons Infrastructure and Duke-American Transmission Co. (DATC). Working together, Sammons and DATC can provide Southern California utilities with reliable technology to store unused energy generated by renewable sources to be used during peak demand periods.


 Range has the technology that Southern California utilities need to reduce costs and green house gas emissions while improving the efficiency of renewables with minimal risk. 



The Range Energy Storage Systems Partnership
Sammons Infrastructure

Sammons Infrastructure brings financial and technical expertise to the Range Energy Storage Systems team. 

Sammons Infrastructure invests in and develops energy-related projects in the renewables sector. The company is a subsidiary of Sammons Enterprises, Inc. (SEI), a diversified global holding company.  

  • Owned by one the largest private companies in the U.S. according to Forbes

  • Invested in renewable energy development and technology in the U.S. and Canada

  • Founded in 1938, SEI has more than $84B in assets


DATC transmission lines provide a path for stored energy to reach consumers in Southern California. 

DATC is a partnership between two leading electric industry companies – Duke Energy & American Transmission Co. DATC builds, owns and operates electric transmission facilities throughout North America. 

  • The nation’s largest electric power holding company, serving 7.3 million customers in six states

  • Approximately $118.5 billion in assets (as of Aug. 6, 2015)

  • Owns and operates 32,400 miles of transmission lines

  • Transmission-owning member of MISO and PJM regional transmission organizations

  • Identified $8 billion of transmission infrastructure projects, including one approved MISO Multi-Value Project

  • Headquartered in Charlotte, N.C.

  • Employs 29,000

  • Founded in 1904

  • Fortune 250 company listed on New York Stock Exchange under symbol "DUK"

  • Formed in 2001 as the nation’s first, multi-state transmission-only utility

  • $4 billion in assets

  • Invested $3.8 billion in building more than 2,400 miles of transmission lines in the past 15 years in four Midwestern states: Wisconsin, Michigan, Minnesota and Illinois

  • Projecting $3.7 billion to $4.5 billion in transmission infrastructure projects over the next decade in current service area, including three MISO Multi-Value Projects

  • Excellent track record of project approvals

  • Owns and operates more than 9,540 miles of transmission lines and 545 substations

  • Headquartered in Wisconsin with more than 650 employees

  • Transmission-owning member of MISO

The Range Team

The Range ESS leadership team is composed of individuals from Sammons Enterprises, Inc. companies, a well respected global holding company; Duke Energy, a market leader in energy services; and Snapper Creek Energy Advisors, LLC, a leader in infrastructure
investment management. 

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