News > 2012

Mitsui Orders 14MW of Solar Frontier CIS Modules for Four Projects Across Japan2012-12-04

Tokyo, December 4, 2012Solar Frontier has received orders from Mitsui & Co., Ltd., and its partners for 92,000 CIS thin-film modules for use in utility-scale solar projects throughout Japan.Totalling 14.1 MW,these CIS modules will be installed in four projects, starting with Yamanashi Mega-Solar (provisional name) in Kai City and Nirasaki City, Yamanashi Prefecture (total: 10.3 MW).
Mitsui and its partners have announced plans to invest 9 billion yen in the operation of utility-scale solar projects across10 locationsin Japan during fiscal 2013, includingat least four projects using Solar Frontier modules. Panel delivery for one of the projects began inearly November, and delivery for the two projects in Yamanashi Prefecture is scheduled to start soon. Solar Frontier and Mitsui are also discussing other solar projects where Solar Frontier’s high-performing CIS modules will be used.
Solar Frontier CIS modules are being selected by customers worldwide for their better project economics under real-world conditions. Due to their proprietary design, they are not as prone to adverse effects from shadows or high temperatures, resulting in a faster investment payback time over silicon-based solar panels. Solar Frontier modules also provide consistent quality and performance befitting their “Made in Japan” label, and come with a 20-year performance warranty, one of the highest among Japanese manufacturers. Solar Frontier is working to ensure a clean, safe supply of energy through renewable energy, as well as contributing to “local energy generation for local consumption”.
Outline of Yamanashi Prefecture projects

Name (tentative)
Yamanashi Mega-Solar (Kai)
Yamanashi Mega-Solar (Nirasaki)
1700 Shobuzawa, Kai City
1411-84 Nishiwari, Shimojo, Okusa-machi, Nirasaki
Site area
Approx. 130,000 m2  
Approx. 110,000 m2  
Total output
Approx. 5,085kWp
Approx. 5,256kWp
Start-up date
August 2013
January 2014
Modules used
Approx. 33,000 CIS thin-film modules from Solar Frontier 
Approx. 34,000 CIS thin-film modules from Solar Frontier 

About Solar Frontier
Solar Frontier K.K., a 100% subsidiary of Showa Shell Sekiyu K.K. (TYO:5002) (“Solar Frontier”), has a mission to create the most economical, ecological solar energy solutions on Earth. Building on a legacy of work in solar energy since the 1970s, Solar Frontier today develops and manufactures CIS (denoting copper, indium, selenium) thin-film solar modules for customers in all sectors around the world. Solar Frontier’s gigawatt-scale production facilities in Miyazaki, Japan, integrate compelling economical and ecological advantages into every module: from lower energy requirements in manufacturing to the higher overall output (kWh) of CIS in real operating conditions. Solar Frontier is headquartered in Tokyo, with offices in Europe, the U.S.A., and the Middle East. Visit for more information.
Showa Shell Sekiyu K.K.
Showa Shell Sekiyu K.K. is listed on the Tokyo Stock Exchange and has roots dating back more than 100 years in the downstream energy business.
Media Contacts
Global Inquiries:
Daniel Lochmann, Edelman (Tokyo)
Tel: +81 36858 7721

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