Solar System Installers in Japan
Japanese solar panel installers – showing companies in Japan that undertake solar panel installation, including rooftop and standalone solar systems. 2,290 installers based in Japan are listed below.
| Company Name |
Area
|
On/Off Grid | Starting Date | Installation size | Countries Operating In | |
|---|---|---|---|---|---|---|
| 310 Densetsu |
|
Yamanashi | On-grid |
  |
Japan
|
|
| A-style |
|
Osaka |
|
Japan
|
||
| A-Style |
|
Saitama | Off-grid |
 |
Japan
|
|
| A・S・T |
|
Tokyo | Off-grid |
|
Japan
|
|
| A.S.K |
|
Nara |
|
Japan
|
||
| a·Rise |
|
Saitama | On-grid, Off-grid |
|
Japan
|
|
| A&Vein |
|
Niigata |
|
Japan
|
||
| ABC |
|
Ehime |
|
Japan
|
||
| Abe Electric Works |
|
Hyogo |
|
Japan
|
||
| Abe System |
|
Aomori |
|
Japan
|
||
| Abedenko |
|
Yamagata |
|
Japan
|
||
| Ace Corporation |
|
Yamagata |
 |
Japan
|
||
| Ace Denki |
|
Oita |
|
Japan
|
||
| Ace Reform |
|
Nagano |
|
Japan
|
||
| Act Ecotech |
|
Aichi |
|
Japan
|
||
| Active Energy |
|
Nara | Off-grid |
|
Japan
|
|
| Active Mate |
|
Osaka | Off-grid |
|
Japan
|
|
| Adachi Sangyo |
|
Nagasaki |
|
Japan
|
||
| Adamac |
|
Hokkaido |
|
Japan
|
||
| ADK |
|
Hokkaido |
|
Japan
|
||
| Admix Line |
|
Osaka | Off-grid |
|
Japan
|
|
| Advance |
|
|
Japan
|
|||
| Advance |
|
Ibaraki |
|
Japan
|
||
| After Plus |
|
Kagoshima |
|
Japan
|
||
| Agata |
|
Shiga |
|
Japan
|
||
| AGK |
|
Hiroshima |
|
Japan
|
||
| Aiko |
|
Kanagawa | Off-grid |
|
Japan
|
|
| Aikyo Home |
|
Chiba |
|
Japan
|
||
| AiNERGY |
|
Fukushima | On-grid, Off-grid |
|
Australia
|
|
| Aipower |
|
Fukushima |
|
Japan
|
||
| Air Lock |
|
Saitama |
|
Japan
|
||
| Aisystem |
|
Shizuoka | Off-grid |
|
Japan
|
|
| Aiwa Denki Kogyo |
|
Osaka | On-grid, Off-grid |
|
Japan
|
|
| Akahori |
|
Fukui |
|
Japan
|
||
| Akamine Denken |
|
Ibaraki |
|
Japan
|
||
| Akaoshoji |
|
Gunma |
|
Japan
|
||
| Akari Denki |
|
Yamaguchi |
|
Japan
|
||
| Akaritec |
|
Niigata |
|
Japan
|
||
| Akiyoshidenki |
|
Oita |
|
Japan
|
||
| Alice |
|
Tokyo |
|
Japan
|
||
| All-Wide |
|
Tokyo | Off-grid |
|
Japan
|
|
| Alnax |
|
Gifu |
|
Japan
|
||
| Alpha |
|
Kanagawa | Off-grid |
|
Japan
|
|
| Alpha System |
|
Tokyo | Off-grid |
|
Japan
|
|
| Alphasystem |
|
Aichi |
|
Japan
|
||
| Alsys |
|
Tochigi |
|
Japan
|
||
| Altenergy |
|
Tokyo | Off-grid |
|
Japan
|
|
| Aman Construction |
|
Kagoshima |
|
Japan
|
||
| Amateras Solar |
|
Tokyo |
|
Japan
|
||
| Amedia |
|
Tottori |
|
Japan
|
||
| Amicable Service |
|
Ibaraki | Off-grid |
|
Japan
|
|
| Ando Sangyo |
|
Chiba |
|
Japan
|
||
| ANIS |
|
Tokyo |
|
Japan
|
||
| Anjyo Electric |
|
Aichi | Off-grid |
|
Japan
|
|
| Anshindenki |
|
Nagasaki | On-grid, Off-grid |
|
Japan
|
|
| Ant |
|
Aichi |
|
Japan
|
||
| AOI Energy Solution |
|
Fukui | Off-grid | 1983 |
|
Japan
|
| AOKI |
|
Ibaraki |
|
Japan
|
||
| Aokidengyo |
|
Mie |
|
Japan
|
||
| Aomori Denki Kogyo |
|
Aomori |
|
Japan
|
||
| Aotech |
|
Aichi |
|
Japan
|
||
| APEC Engineering |
|
Tokyo |
|
Japan
|
||
| Apollo |
|
Tokyo |
|
Japan
|
||
| Aps Homes |
|
Shizuoka |
|
Japan
|
||
| Apt |
|
Fukushima |
|
Japan
|
||
| Aqua Air |
|
Tokyo | Off-grid |
|
Japan
|
|
| Aqua Plus |
|
Yamagata |
|
Japan
|
||
| Aquro Technical Office |
|
Chiba |
|
Japan
|
||
| Araden |
|
Kochi | Off-grid |
|
Japan
|
|
| Arai Electric Works |
|
Nagano |
|
Japan
|
||
| Araidenki Industry |
|
Nagano |
|
Japan
|
||
| Araki Technical |
|
Shiga |
|
Japan
|
||
| Aratec |
|
Fukushima |
|
Japan
|
||
| ARC |
|
Hokkaido | On-grid, Off-grid | 2016 |
|
Japan
|
| Arca |
|
Miyagi | Off-grid |
|
Japan
|
|
| Arcus |
|
Yamanashi |
|
Japan
|
||
| Arima |
|
Nagasaki |
|
Japan
|
||
| Arimitsugumi |
|
Ehime |
|
Japan
|
||
| Arrows Corporation |
|
Osaka | Off-grid | 2006 |
|
Japan
|
| Art Consultant |
|
Kochi |
|
Japan
|
||
| Art Techno |
|
Tokyo |
|
Japan
|
||
| Artisan University |
|
Mie |
|
Japan
|
||
| Aruga Denki |
|
Nagano |
|
Japan
|
||
| Asahi |
|
Okayama | Off-grid |
|
Japan
|
|
| Asahi Boiler |
|
Hiroshima | Off-grid |
|
Japan
|
|
| Asahi Danke |
|
Hokkaido |
|
Japan
|
||
| Asahi Dengyo |
|
Tokyo | Off-grid |
|
Japan
|
|
| Asahi Electrical |
|
Shizuoka |
|
Japan
|
||
| Asahi Housing Construction |
|
Hokkaido |
|
Japan
|
||
| Asahi I & R |
|
Saga |
|
Japan
|
||
| Asahi Techno |
|
Saitama |
|
Japan
|
||
| Asahi Techno Plant |
|
Okayama | On-grid |
|
Japan
|
|
| Asahigas Energy |
|
Mie |
|
Japan
|
||
| Asami Shoten |
|
Tokyo |
|
Japan
|
||
| Asano Sangyo |
|
Kagawa |
|
Japan
|
||
| Asante |
|
Tokyo |
|
Japan
|
||
| Asia Infonet |
|
Tokyo |
|
Japan
|
||
| Aska Solar |
|
Tottori | 2003 |
|
Japan
|
|
| Assist |
|
Fukushima |
|
Japan
|
||
| Astead |
|
Nagano | Off-grid |
|
Japan, Philippines
|