Solar System Installers in Japan
Japanese solar panel installers – showing companies in Japan that undertake solar panel installation, including rooftop and standalone solar systems. 2,242 installers based in Japan are listed below.
| Company Name |
Area
|
Battery Storage | Starting Date | Installation size | Countries Operating In | |
|---|---|---|---|---|---|---|
| Kaz Denkou |
|
Fukuoka | Yes |
  |
Japan
|
|
| KDS |
|
Toyama | Yes |
|
Japan
|
|
| KDT |
|
Yamanashi |
|
Japan
|
||
| KEC |
|
Chiba | Yes |
|
Japan
|
|
| Ked |
|
Hyogo | Yes |
|
Japan
|
|
| Keiji Housing |
|
Kyoto |
|
Japan
|
||
| Keijisolar |
|
Kyoto |
|
Japan
|
||
| Keiss Technos |
|
Shizuoka | Yes |
|
Japan
|
|
| Keiyo Technica |
|
Chiba |
|
Japan
|
||
| Ken Controls |
|
Fukuoka |
|
Japan
|
||
| Kenyu Fukuoka |
|
Fukuoka |
|
Japan
|
||
| KEPCO |
|
Osaka |
  |
Japan
|
||
| Keyes Equipment |
|
Gunma |
|
Japan
|
||
| KHS |
|
Ibaraki | Yes |
|
Japan
|
|
| Kictec |
|
Aichi |
|
Japan
|
||
| Kidachi-koumuten |
|
Kanagawa |
|
Japan
|
||
| KIDU Denki Kouji |
|
Oita |
|
Japan
|
||
| Kikushima |
|
Nagano |
|
Japan
|
||
| Kimoto |
|
Oita |
|
Japan
|
||
| Kimura Densetsu |
|
Fukuoka |
|
Japan
|
||
| Kinan Densetsu |
|
Wakayama |
|
Japan
|
||
| Kinden |
|
Osaka |
|
Japan
|
||
| Kinki Living |
|
Osaka | Yes |
|
Japan
|
|
| Kinoshita Denkou |
|
Fukuoka | Yes |
|
Japan
|
|
| Kintetsu Real Estate |
|
Osaka |
|
Japan
|
||
| Kinuura Denki |
|
Aichi |
|
Japan
|
||
| Kirishima Densetsu |
|
Miyazaki | Yes |
|
Japan
|
|
| Kiryu |
|
Tokyo | Yes | 1996 |
|
Japan
|
| Kisyou-Solar |
|
Miyazaki | Yes |
|
Japan
|
|
| Kita Denryoku Setsubi Kouji |
|
Hokkaido |
|
Japan
|
||
| Kitagaki |
|
Kyoto |
|
Japan
|
||
| Kitakikaisangyou |
|
Tokushima | Yes |
|
Japan
|
|
| Kitami-Sekiyu |
|
Hokkaido | Yes |
|
Japan
|
|
| Kitamura Denka |
|
Gifu | Yes |
|
Japan
|
|
| Kitamura Denki |
|
Hyogo |
|
Japan
|
||
| Kitanihon Sash |
|
Hokkaido |
|
Japan
|
||
| Kitanihonbussan |
|
Toyama |
|
Japan
|
||
| Kitashiba Electric |
|
Fukushima |
|
Japan
|
||
| Kitayama |
|
Kagoshima |
|
Japan
|
||
| Kitazawa |
|
Chiba |
|
Japan
|
||
| Kittaka |
|
Nagasaki |
|
Japan
|
||
| Kizuna |
|
Fukushima | Yes |
|
Japan
|
|
| KMEW Hometech |
|
Tokyo |
|
Japan
|
||
| Knowledge |
|
Aichi |
|
Japan
|
||
| Koagas |
|
Shimane |
|
Japan
|
||
| Koba Kensetsu |
|
Tokyo |
|
Japan
|
||
| Kobayashi Kogyo |
|
Gunma | Yes | 2011 |
|
Japan
|
| Kobayashi Roof |
|
Hyogo |
|
Japan
|
||
| Kodensha |
|
Saitama |
|
Japan
|
||
| Koei Nenryou |
|
Chiba | Yes |
|
Japan
|
|
| Kogusuri Construction |
|
Ibaraki |
|
Japan
|
||
| Kohei Technos |
|
Osaka |
|
Japan
|
||
| Koken Home |
|
Gunma |
|
Japan
|
||
| Kokuho System |
|
Kanagawa | Yes |
|
Japan
|
|
| Kokusai EIC |
|
Aichi | Yes |
|
Japan
|
|
| Komaihaltec |
|
Tokyo |
|
Japan
|
||
| Komiden |
|
Shiga |
|
Japan
|
||
| Komori Shoji |
|
Fukui |
|
Japan
|
||
| Komoto |
|
Gunma | 2013 |
|
Japan
|
|
| Komutsuki |
|
Shiga |
|
Japan
|
||
| Kondou Dengyou |
|
Kyoto |
|
Japan
|
||
| Kono Electric |
|
Oita |
|
Japan
|
||
| KOOKS |
|
Shizuoka |
|
Japan
|
||
| KOSEI |
|
Tokyo |
|
Japan
|
||
| Kotobuki Denki |
|
Shizuoka | Yes |
|
Japan
|
|
| Kouda Development |
|
Hiroshima |
|
Japan
|
||
| Kouei Denki |
|
Tokyo |
|
Japan
|
||
| Kouki |
|
Miyagi |
|
Japan
|
||
| Kouki |
|
Hiroshima |
|
Japan
|
||
| Kounan Denki |
|
Kumamoto |
|
Japan
|
||
| Koutoukiden |
|
Osaka | Yes |
|
Japan
|
|
| Kouyo-densetsu |
|
Kanagawa | Yes |
|
Japan
|
|
| Kouyu Densetu |
|
Niigata |
|
Japan
|
||
| Kowa |
|
Kochi | Yes |
|
Japan
|
|
| Koyama Denki |
|
Yamanashi | Yes |
|
Japan
|
|
| Koyo |
|
Tokyo |
|
Japan
|
||
| Koyo |
|
Tochigi |
|
Japan
|
||
| Koyo Astro |
|
Tokyo | Yes | 2013 |
|
Australia, China, Germany, It...
|
| KS Engineering |
|
Kanagawa | Yes |
|
Japan
|
|
| KS West |
|
Kumamoto | Yes |
|
Japan
|
|
| Kubokura Densetsu |
|
Kanagawa |
|
Japan
|
||
| Kubota Construction |
|
Niigata |
|
Japan
|
||
| Kubota Electric Works |
|
Miyagi | Yes |
|
Japan
|
|
| Kubota Holding |
|
Miyagi |
|
Japan
|
||
| Kubota System Service |
|
Ibaraki | Yes |
|
Japan
|
|
| Kumamoto Risui |
|
Kumamoto |
|
Japan
|
||
| Kuno Kawara |
|
Tottori |
|
Japan
|
||
| Kuramoto Kensetsu |
|
Nagasaki |
|
Japan
|
||
| Kurashima |
|
Fukushima |
|
Japan
|
||
| Kureichi Jutaku |
|
Hiroshima |
|
Japan
|
||
| Kurihal Ant |
|
Osaka |
|
Japan
|
||
| Kurihara Kogyo |
|
Osaka |
|
Japan
|
||
| Kusanen |
|
Shiga | 2009 |
|
Japan
|
|
| Kushimoto |
|
Mie |
|
Japan
|
||
| Kutyo Engineering |
|
Miyagi |
|
Japan
|
||
| Kuukai |
|
Aichi |
|
Japan
|
||
| Kuwazawa |
|
Hokkaido |
|
Japan
|
||
| Kyocera |
|
Kyoto |
|
Japan
|
||
| Kyodo Construction |
|
Fukuoka |
|
Japan
|
||
| Kyodo Denki |
|
Nagano | Yes |
|
Japan
|