REC supplied 7,056 of its Peak Energy Series panels for the project in Yonago, Tottori, which was constructed by the company's Japanese partner Advantec in just three months.
The project, which will generate 1.8 GWh annually, will be jointly owned by Advantec and local TV and radio station BSS (Broadcasting System of Sun-in).
REC opened its Tokyo office last year and is already reaping the benefits in one of the world's fastest growing solar marketplaces.
The importance of the scheme to REC as it tries to wean itself off EU sales was demonstrated by the presence of His Excellency Arne Walther, Norway's ambassador to Japan at the official opening of the Tottori plant.
Elsewhere in Japan, Sky Solar announced the connection of two photovoltaic projects totaling 2.3 MW.
Between them, the plants at Otsuka-cho in Tochigi prefecture on the island of Honshu and at Kamishihoro-cho on Hakkaido, are predicted to generate 2,528 MWh annually, according to Sky Solar Japan's figures.
Both projects were grid connected in March and are generating at 15% above the expected output.
The two projects will be followed by another four this month and next, with the six schemes adding up to a 10 MW capacity.
From May onwards, Sky Solar will start work on a further 30 photovoltaic schemes in the country, prompted by a generous FIT payment of JAPY42/kWh (US$0.42/kWh) over a 20-year period.
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