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Megasolar plant in Japan uses lumber mountings

Posted: 18 Feb 2015     Print Version  Bookmark and Share

Keywords:Solar Frontier  solar plant  solar module  lumber 

Solar Frontier has started building a megasolar plant that uses mountings made from lumber, an unusual occurrence in Japan. The project in the Yatsushiro region of Kumamoto Prefecture is being undertaken by SF Solar Power, a company jointly founded by Solar Frontier and the Development Bank of Japan (DBJ), which is scheduled to begin generating power in May 2015.

The plant will leverage know-how about wooden mountings from Xyence, the leaseholder and a specialist in wood preservation technology. The wooden mountings, made of Japanese timber, will comprise about 20 per cent of all the mountings at the power plant facility.

Frame built with Japanese lumber

Frame built with Japanese lumber

High resistance to salt air damage and low thermal conductivity were important factors in choosing wooden mountings for this project. These characteristics will result in less damage from salt air in coastal areas and the effects of snow melting agents. The wooden mountings also offer better resistance to the effects of heat under strong sun conditions. In addition, once the domestically sourced lumber has been dismantled at the end of its life, it can be used to power woody biomass power plants, thereby reducing the project's environmental impact.

Quality, durability and safety have been assured by using mountings and coupling techniques specifically designed for Solar Frontier's thin-film CIS modules and through third-party performance evaluation tests by the Centre for Better Living.

By leveraging its CIS thin-film solar modules and construction techniques that result in high power output in real operating conditions, Solar Frontier will continue to build sustainable and environmentally friendly solar power plants such as this unique project.

CIS thin-film solar modules

CIS thin-film solar modules installed on frame built with Japanese lumber

Located at Shinminatomachi, Yatsushiro City, Kumamoto Prefecture, the SF Solar Power Yatsushiro Power Plant has a site area of nearly 19,000m2 and capacity of about 1,400kW. It has an estimated 8,160 solar modules with a projected power output of 1,631,000kWh.

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