juwi Shizen Energy Operation Inc.

Company Overview: juwi Shizen Energy Operation Inc.

Company Name juwi Shizen Energy Operation Inc.
Headquarters Hongo Fuji Bldg. 2F(Reception)/3F, 4-9-22 Hongo, Bunkyo Ward, Tokyo 113-0033
Phone: +81-3-3868-0344
Fax: +81-3-3868-2455 
Representative Directors Amane Sasaki, Jan Warzecha
Establishment 2013
Capital 5,000,000 yen (as of end-Dec., 2017)
Description of Business Operation and maintenance (O&M) of power plants with renewable energy such as photovoltaic and wind power.
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Regarding the juwi Group

juwi power plant
juwi Headquarters

juwi is among the world’s prominent companies in the field of natural energy.

It conducts project development for power station construction, EPC (engineering, procurement, and construction), and maintenance, operation, and management services in locations around the world.

Click here for the official website of Germany’s juwi AG (English, German, and Spanish):

For more about juwi AG

juwi ロゴ

juwi was established in Wörrstadt, in southwestern Germany, in 1996. It currently has subsidiaries in 20 world countries, and is developing its business around the world, including areas such as Europe, America, Asia, and Africa.

Its achievements is a total of 1,700 projects with an output of 2,500 megawatts for photovoltaic power generation, and a total of 180 sites with an output of 2,300 megawatts for wind power generation (as of January,2019).

It is making efforts not only in photovoltaic power and wind power, but also in fields such as bioenergy and hydraulic power generation, as well as geothermal power generation.

Regarding the joint venture between juwi and Shizen Energy

Announcement of establishment to journalists (January, 2013)
Announcement of establishment to
journalists (January, 2013)

In January of 2013, Shizen Energy Inc. and juwi AG established an international joint venture, "juwi Shizen Energy Inc." Sharing enthusiasm for the spread of economical, stable natural energy, the two organizations are conducting business development that leverages each of their strengths in Japan.


Regarding the joint venture between juwi and Shizen Energy


Juwi’s experience, knowledge, and technology regarding processes from the construction to the operation of global natural energy power stations, amassed in locations around the world since its establishment in 1996.


Shizen Energy’s information regarding the Japanese market; elements such as its understanding and experience toward Japanese regulations, procedures, and other aspects; and its ability to advance project development with cooperation from local areas.

We combine these strengths and provide them in a form suited to factors in Japan such as various areas and needs, aiming for the promotion of a high-quality natural energy business with global standards in Japan.

  • Email us
  • Call us: +81-3-3868-3391 (Shizen Energy Inc.) +81-3-3868-0344 (juwi Shizen Energy Inc.)+81-3-3868-0344 (juwi Shizen Energy Op. Inc.)
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