Alliance for Solar Power Entrepreneurs is an organization
for all the PV plant owners in Japan.

We provide services for the three purposes above.

Block & Branch

ASPEn cooperates with 9 regional blocks and prefectural branches.
That means we have a huge network throughout Japan. We will keep researching the situation of all the regions and prefectures to keep getting the brand-new information and knowledges to provide high-quality services.

Regional Blocks








ASPEn Journal

We are professional on renewable energy especially solar power. With its knowledge and insights, we are sharing the current situation of the renewable energy in Japan in English.

Visit Us

If you ever wonder what the real situation and market of the renewable energy in Japan are and that you would like to see PV systems or any other PV-related fields in Japan, we accept any inspections from any countries. Please check out the "Visit Us" page and feel free to contact us!