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Our Mission Statement

Idemitsu Renewables is committed to creating a world where people can live in harmony with nature by harnessing solar power to create clean energy for everyone.

Our History

Idemitsu Renewables entered the US Market in 2010 as Solar Frontier Americas marketing thin-film solar modules. The company evolved to become an experienced utility-scale solar developer by developing, building, and selling utility scale solar projects.

In 2018, the company expanded its capabilities to become an owner and operator of large solar and energy storage projects. This expansion aligned Idemitsu Renewables with the global strategy of its parent company, Idemitsu Kosan.

The Leadership Team

Cary Vandenberg,
Managing Director

Cary brings over 20 years of leadership experience in renewable energy, software and semiconductors to Idemitsu Renewables, including 10 years in large-scale solar energy and energy efficiency solutions. Cary oversaw the acquisition of a 280MW North American pipeline. Previous leadership roles range from CEO of both public and private solar and software companies to VP International Business Development for semiconductor and software firms.

B.S., Commerce, Santa Clara University

Mark Wong,
Vice President Transactions

Mark has been in the renewable energy industry for over 10 years. During this period, Mark’s employment includes Solar Frontier and EDF Renewable Energy. Mr. Wong joined Solar Frontier Americas in 2015 and has led the sale and financing of Solar Frontier’s development portfolio.

Juris Doctor, New York University School of Law

Ben Patton,
Vice President of Finance

With over 10 years working in renewable energy and carbon markets, Ben previously led debt financing and managed corporate finance for a simultaneous roll up IPO as VP of Finance and Acquisitions for Lightbeam Electric. He managed Solar power project finance for Chevron Energy Solutions and SunEdison, and he launched the emission reductions procurement group at 3Degrees, a San Francisco company that trades renewable energy certificates and carbon emission reductions.

B.S., Symbolic Systems, Stanford University

Michael Wong,
VP Power Marketing

With over 22 years of experience in the energy industry, Michael has spent the majority of his career focused on power marketing across the U.S. Prior to joining Solar Frontier, Michael’s renewable experience consisted of leading Avangrid’s origination efforts in the PJM region and managing E.ON’s origination team in the Western and Southeastern U.S. markets. Earlier in his career, Michael covered the Western energy markets for several companies including EDF Trading, Constellation Energy and Shell Trading.

B.B.A., Accounting, Texas A&M University
M.B.A., International Management – Thunderbird, The American Graduate School of International Management

Robb Owen,
Director, Construction & Engineering

With over 20 years of engineering and construction experience, Robb leads Solar Frontier’s technical and execution efforts and oversees all aspects of project engineering and construction.  He has 11 years of utility scale solar design and construction execution experience and has completed numerous PV solar projects, including net-metered rooftop, parking structure, and multi-hundred megawatt utility scale projects. As a licensed civil engineer he has also brought municipal, commercial, residential, and mixed-use projects through the development, design, engineering, and construction processes.

B.S., Civil Engineering, Colorado State University
California Civil P.E., Nevada Civil P.E.

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