Directory/Japan

Solar Installers in Japan

8 companies found

Solar Market Overview — Japan

Japan receives an average of 3.7 peak sun hours per day, with electricity costing ¥35.85 per kWh. 4 solar incentives are currently available. Solar feed-in rate: ¥16.00/kWh.

¥35.85
per kWh
3.7h
sun/day
4
incentives

Kyocera Solar

free
Kyoto, KyotoEst. 1959

One of Japan's oldest and most respected solar companies. Kyocera has decades of experience manufacturing high-quality solar panels and providing complete solar energy solutions for residential and commercial customers.

4.6
312 reviews

TOYO Solar

free
Tokyo, TokyoEst. 2012

A leading solar solutions company based in Tokyo. TOYO Solar provides comprehensive solar energy systems including module manufacturing and EPC services. Their first 1GW solar module plant in the U.S. began production in 2025.

4.5
145 reviews

Sharp Energy Solutions

free
Yao, OsakaEst. 2019

A subsidiary of Sharp Corporation responsible for energy solutions. Sharp Energy Solutions provides comprehensive solar systems for residential, commercial, and utility-scale applications across Japan.

4.5
267 reviews

Canadian Solar Japan

free
Tokyo, TokyoEst. 2009

The Japanese division of Canadian Solar, specializing in solar energy solutions with a variety of products including solar modules and inverters for residential, commercial, and utility-scale applications throughout Japan.

4.5
178 reviews

Looop Inc

free
Tokyo, TokyoEst. 2011

Founded after the 2011 Great East Japan Earthquake, Looop provides one-stop solar services from power generation to energy management. Their vision is to create a free-energy society using renewable energy.

4.4
234 reviews

Shizen Energy

free
Fukuoka, FukuokaEst. 2011

Shizen Energy plans, develops, constructs, and operates renewable energy plants across Japan. They provide EPC services for photovoltaic, wind power, and small hydroelectric generating plants.

4.4
123 reviews

West Holdings Corporation

free
Tokyo, TokyoEst. 2006

A major Japanese EPC contractor and system integrator instrumental in developing and building large-scale solar farms across Japan. West Holdings provides comprehensive solar project development and maintenance services.

4.3
98 reviews

Next Energy & Resources

free
Nagano, NaganoEst. 2003

A total solar power solutions provider founded in 2003 in Nagano, Japan. Next Energy serves residential and industrial sectors with design, installation, and maintenance of solar power systems including module reuse and off-grid solutions.

4.2
87 reviews