As one of the most technologically advanced countries globally, Japan leads the way in solar power innovation. The country’s commitment to renewable energy has resulted in the emergence of numerous high-quality solar manufacturing companies. This article explores the top seven solar panel manufacturers in Japan, their history, product range, and what sets them apart. We’ll also delve into the crucial certifications necessary for solar panels in the Japanese market.


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Part 1: Top 7 Japanese Solar Panel Manufacturers

Sharp Corporation

Sharp Corporation, headquartered in Sakai, Osaka, is a multinational company that has been a major player in Japan’s solar industry since 1959. The company offers a diverse range of solar solutions, including high-efficiency solar panels and solar inverters.

A pioneer in solar technology, Sharp Corporation has a reputation for innovation and quality. They were the first to commercialize solar cells using silicon, and their products are known for their reliability and performance. These qualities make Sharp a leading solar manufacturing company in Japan.

Kyocera Corporation

Founded in Kyoto in 1959, Kyocera Corporation is one of the longest-standing solar manufacturing companies in Japan. They offer a comprehensive product range, including solar modules, inverters, and solar storage solutions.

Kyocera stands out for its dedication to sustainability and technological innovation. The company’s solar products are known for their high-quality, reliability, and long lifespan. Kyocera’s unwavering commitment to advancing solar technology has made it a key player in the Japanese solar industry.

Mitsubishi Electric Corporation

Headquartered in Tokyo, Mitsubishi Electric Corporation is a well-known global brand with a significant presence in the solar industry. Established in 1921, the company manufactures a variety of solar products, including photovoltaic modules and inverters.

Mitsubishi Electric’s strength lies in its robust research and development initiatives, leading to the production of high-quality, efficient solar solutions. The company’s reputation for reliability and innovation makes it a go-to choice for solar solutions in Japan.

Panasonic Corporation

Based in Kadoma, Osaka, Panasonic Corporation is another giant in the Japanese solar industry. They have been manufacturing solar products since 1975, offering a range of photovoltaic modules and inverters.

Panasonic’s solar products are renowned for their durability and high conversion efficiency. The company’s commitment to research and development, coupled with a strong focus on environmental sustainability, places it among the leading solar inverter manufacturers in Japan.

Solar Frontier K.K.

Solar Frontier, a Tokyo-based company established in 2006, is Japan’s largest manufacturer of solar panels. They specialize in the production of thin-film solar panels, a technology that provides high performance even in low-light conditions

The uniqueness of Solar Frontier lies in its proprietary technology that allows for more efficient energy capture. Their thin-film panels are highly efficient and perform well under various light conditions, making Solar Frontier a leading solar manufacturing company in Japan.

Kaneka Corporation

Established in 1949 in Osaka, Kaneka Corporation has diversified interests, one of which is in the solar industry. The company offers a wide range of solar products, including solar panels and inverters.

Kaneka’s solar panels are known for their high durability and efficiency. The company’s dedication to creating high-quality, reliable solar solutions solidifies its standing in Japan’s solar industry.

Hitachi, Ltd

Founded in 1910 and based in Tokyo, Hitachi Ltd is a well-known global brand that also produces solar solutions. The company offers a broad range of products, including solar panels and solar inverters.

Hitachi’s solar products stand out for their excellent reliability and high conversion efficiency. The company’s commitment to innovation, quality, and environmental sustainability makes it a leading solar inverter manufacturer in Japan.

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Part 2: Certification for Solar Panels in the Market of Japan

In Japan, solar panel and inverter manufacturers must adhere to specific certifications to ensure their products meet safety and performance standards. The Japan Electrical Safety & Environment Technology Laboratories (JET) provides certification for photovoltaic power generation systems, including solar panels and inverters.

Another important certification is the JIS Q 8901, a standard for the reliability and durability of solar modules in different environmental conditions. This certification ensures that solar panels can withstand various weather conditions and have a long lifespan.

The JET PVm certification is also crucial, as it signifies that the solar panels meet the safety requirements set by the Japanese government. For solar inverters, the JET PVi certification is particularly important. This certification verifies that the solar inverters are safe and reliable, and perform efficiently.

Additionally, international certifications such as the IEC 61215 (for PV module performance) and IEC 61730 (for PV module safety) are also recognized in Japan.

Conclusion about Japanese Solar Panel Manufacturer

In conclusion, Japan is home to several world-class solar manufacturers that combine technological innovation with a strong commitment to quality and sustainability. These companies have not only been successful in harnessing the power of the sun but also in continually enhancing the efficiency and reliability of their products. The robust certification standards in place in the country further strengthen the quality of Japanese solar products, ensuring they meet top-notch safety and performance parameters. All of these elements, combined with the Japanese culture of excellence and precision, make the country a global frontrunner in the solar industry. The future of solar power is bright in Japan, and the manufacturers mentioned in this article are set to play a crucial role in shaping it

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