About Us

Kawaguchi Steel Industry (KSI) was established in 1930 and registered as a company on August 2nd, 1993. Sheet-metal works on roof and external constructions, crystal solar assembling is our key business in Japan. KSI is currently emphasizing an environment-friendly energy green tech system for developing countries. Based on this mission `KENS.CO; Ltd` has established on 3rd March 2013 registration no is 3000-01-009045.

Kens.Co;ltd is also a sister company of GOOD ON ROOFS in Japan. GOOD ON ROOFS is mainly focused on CSR activities in Africa.

Kens.Co; Ltd introduced an amorphous solar sheet for the first time in Africa through the GGP project in Nigeria in 2015. Amorphous solar that can be bendable, flexible, and easy to movable. Max weight is 800gm with 1mm thickness. Kens co has successfully completed GGP (Grassroots Human Security Projects) project in Nigeria, South Africa, Burundi, Burkina Faso, and Benin. Also have pilot projects in Kenya, Guinea, Brazil, and DRC Congo. Ethiopia, Benin, Rwanda, and Japan.

2022 – Acadex School, DRC Congo
2022 – Coutner Part Fund projcet, DRC Congo
2020 – GITEZI school Burundi
2020 – Burkina Faso
2019 – Takeshi Inoue school Benin
2018 – Orlando Homes School – South Africa
2015 – Kabo Community Nigeria

2022 – UN Uganda
2022 – UN Burukina Faso
2021 – JICA feasibility study project Burkina Faso.
2019 – IOM Burundi
2019 – JICS DRC
2016 – IOM Kenya

Kens.Co; Ltd has also experienced supplying records to UN organizations like IOM Burundi, and IOM Kenya. Also supplied the portable solar system to DRC Congo under JICS (Japan International Corporation System) for Ebola treatment. Recently we had a feasibility project on the solar system in the Education phase in Burkina Faso under JICA 2021.


Kens.Co; Ltd has won several awards for contributing to great development in renewable energy sectors of Africa with a dynamic business model. Also, one of the prominent contributors in Africa from Kyushu Japan.


Nobuhiro Kawaguchi
CEO of