日本語 / English





We are providing PV installation service in Japan. Our location is Gunma prefecture about 100km north from Tokyo. We can provide our service in Kanto(Gunma, Tochigi, Saitama, Ibaraki), south-Tohoku(Fukushima), and Koshinetsu(Nagano, Yamanashi, Niigata).Please feel free to contact us!

To make our society more sustainable and robust, It is important to increase the ratio of the distributed small power sources against conventional centralized power stations. To do that it is important to increase the number of residential PV system all around the nation. Because, the residential PV system is one of the most important distributed power sources closely located to our houses. Combining with the coming residential battery system and EV, the importance of such small power sources will be increasing.

Among such power sources, we recommend unique PV system using SolarEdge's technology, which enables you to install maximum DC capacity on your roof without reducing the panel from the place of partial shading. In addition to the maximized DC capacity, you can keep your PV system safe and profitable by module level monitoring and controlling.

Please feel free to contact us!

What is different from others?


Using optimizers, you can maximize the absolute capacity of power generation by increasing the number of DC panels without caring too much about the direction of roof tilt and partial shading.
Since the output of each panel is optimized, even the panels on north side contribute positively without damaging the yield of the entire system.
In fact, the output of the panel on the north side decreases in winter, but it will be comparable to the south in summer.
Each panel is installed on 20 degree tilted roof of south faced and north faced respectively.
Output voltage from each optimizer is limited to 1V each, it can make entire system safer in case of emergency such as fire.
You can choose long-term warrantee of PCS, optimizer and panel up to 20 years. Combining with module level sophisticated monitoring function, we can provide comprehensive O&M service for the entire period of the operation.
Please also check the comprehensive review provided by LightningSolar (Australia). here
Since you will be seeing renewable energy devices for many decades after installation, it is better to consider seriously about the appearance and the way of installation in your garden.
We can support documentation for your financial planning. Additionally, some financial loan is also available for our EPC service.

inquiry

You can contact us in English or Chinese. Following e-mail address is available for the customer using English or Chinese.

For future partners

Please feel free to contact us, if you are thinking to add PV system on your business such as reforming, painting, roof repair, etc. We will help you to provide a better proposal to your customer. TELoremail

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株式会社I-S3
370-0069 群馬県高崎市飯塚町1311-1
TEL/FAX: 027-381-6583