Press Release
Publisher: JUWI GmbH
Announcement on the development and commercial operations of new solar power plant in Yamaguchi Prefecture
- Third project completion with Tokyo Gas Group

© juwiWörrstadt (renewablepress) - Shizen Energy Inc. (Representative Directors: Ken Isono, Kenji Kawado, Masaya Hasegawa, hereinafter Shizen Energy) and juwi Shizen Energy Inc. (Representative Directors: Jan Warzecha, hereinafter juwi Shizen Energy) has completed construction and started commercial operation of the Iwakuni Yuu Solar Power Plant (23,490kW) in Yamaguchi Prefecture, as part of the project under Prominet Power Co., Ltd. (Representative Director: Satoshi Baba), a wholly-owned subsidiary of Tokyo Gas Co., Ltd. (Representative Director: Takashi Uchida, hereinafter Tokyo Gas).
The power plant is the third case that Shizen Energy has led business development, and juwi Shizen Energy has conducted construction and started commercial operations under the capital and business alliance agreement signed by Shizen Energy and Tokyo Gas on February 23, 2017. In addition, the operation and maintenance of this power plant will be managed by juwi Shizen Energy Operation Inc. (Representative Directors: Amane Sasaki, Jan Warzecha).
Shizen Energy has made the company’s purpose to “take action for the blue planet.” In doing so, Shizen Energy aims to spread the use of safe and sustainable energy through the global development of renewable energy power plants, in order for more people to live happily on Earth. Through the development, construction, operations, and maintenance of renewable energy power plants that are both high in quality, as well as rooted in the community, Shizen Energy will continue to accelerate towards the realization of a “100% renewable-powered planet.”
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Wörrstadt, 01 July 2021
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The JUWI Group has been one of the leading specialists for renewable energies for more than 25 years and offers complete project development as well as other services related to the planning, construction, and operational management of renewable energy plants. Its business areas primarily include projects with wind and solar energy as well as hybrid systems with storage for industrial applications.
The company belongs to Mannheim-based MVV Energie AG, one of the largest municipal energy suppliers in Germany. JUWI has its headquarters in Wörrstadt near Mainz and further locations in Hanover, Brandis (Saxony), Melle/Osnabrück, Stuttgart, Bochum and in Franconia. In the summer of 2022, Windwärts Energie GmbH was merged into juwi AG, which subsequently changed its legal form to JUWI GmbH. JUWI was founded in Rhineland-Palatinate in 1996, Windwärts in Lower Saxony in 1994.
Worldwide, JUWI employs more than 1,100 people and is present with projects on all continents. Outside Germany, there are branches in Italy, Greece, South Africa, the USA, Japan, Australia, India, the Philippines, Thailand, Vietnam, and Singapore.
To date, JUWI has implemented more than 1,200 wind turbines with a capacity of more than 2,800 megawatts at around 200 locations worldwide in the wind segment; in the solar segment, there are around 1,850 PV plants with a total capacity of around 3,250 megawatts. JUWI's operations management services wind energy and photovoltaic plants with a capacity of more than 4,100 megawatts. JUWI has initiated a total investment volume of more than ten billion euros for the realization of energy projects.
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