• Uyeno Green Solutions
Uyeno Green Solutions Ltd
From solar power plants operation to construction project management, we provide the best solution and high quality service to suit every need of our clients.
Uyeno Green Solutions Ltd focuses on renewable energy business and construction project management.
As an integrator of solar power systems, we have developed, engineered, constructed, currently operate and manage several numbers of solar plants, which generate safe power with minimal environmental impact, both in Japan and overseas.
On the other hand, as a construction specialist, we also provide service with building construction, facility management, and maintenance work related to Tokyo Metro Co Ltd.
We are committed to addressing environmental issues, pursuing technological improvement, and providing best solution to our customers with meticulous service.
Environmental and Safety Initiatives
•Safety and Health Management Regulations
•Health and Safety Management Plan
•Monthly Safety meetings
Congestion rate analysis on the train
We are developing a congestion analysis system within 9 lines of Tokyo Subway Co., Ltd.
We started distributing the congestion situation for each train on the Ginza Line and Marunouchi Line based on the train congestion measurement system co-created with Tokyo Subway “Tokyo Metro my app” on July 14, 2021.

We have been promoting app distribution on all 9 Tokyo Metro lines since June in 2022.
Renewable energy business
Our core business comprises from development plans to engineering, construction, installation, operation and maintenance as an integrator of solar power generation systems, both utility-scale and commercial roof-top, in Japan and overseas.
Other than operation of our own solar projects, we aim to expand our services by providing one-stop plans including consultation and EPC service for clients regarding the installation of solar systems in their factories, office buildings, warehouses, and idle areas, along with the support of post-completion O&M service.
Own power plants
Approximately 10 MW
5 plants in Japan
2 plants in the Philippines, 3 plants in Taiwan
Power Plants
Kanaya Solar Power Plant
Gotemba Solar Power Plant
Miho Solar Power Plant
Sakura Solar Power Plant
Tomakomai Solar Power Plant
International business
TRANSNATIONAL UYENO SOLAR CORPORATION was established in 2001 in Manila with TRANSNATIONAL DIVERSIFIED GROUP in the Philippines as a joint venture to conduct renewable energy business.
In 2015, TRANSNATIONAL UYENO SOLAR TWO CORPORATION was newly established to separate the solar power business(PPA) and EPC business. This two-company structure enable to develop both solar power business(PPA) and EPC business effectively using ground-mounted, roof-mounted and carport installations in the Philippines.

*Engineering, Procurement, Construction
Subcontracting of connected processes including design, materials/equipment procurement, and construction work for the construction of power stations and plants
  • Location

    TDG In.Hub Building AFP-RSBS Industrial Park Km. 12, East Service Road, Western Bicutan,
    Taguig, Philippines 1630

  • Web site


Our Solar Projects
OXALIS TAIWAN CO., LTD was established in 2019 as a wholly owned subsidiary of Uyeno Green Solutions. Making use of our experience and expertise, we co-operate with local enterprises for one-stop solar power business from site development to PV system installation, operation and maintenance. We also provide widespread support to Japanese clients who have needs to install PV systems by making effective use of commercial or industrial rooftops, idle or vacant land etc. at various locations in Taiwan.
  • Company Name


  • Address


  • Date of Establishment

    22 Mar 2019

  • Contact


Our Solar Projects
Comprehensive construction business/maintenance management work
We provide services focusing on the construction work of Tokyo Subway Co., Ltd. and group companies.
  • •Complete construction, renovation, and interior work
  • •Tokyo Metro Co Ltd construction and civil engineering work, station cleaning work, station store related and emergency work designated contractors
  • •Solar panel installation and construction set
  • •Patrol and inspection of station facilities, etc.
  • •Maintenance of various facilities and equipment
  • Head office address

    46 Yamashita-cho, Naka-ku, Yokohama-shi, Kanagawa 231-0023, Japan

  • Date of establishment

    April 1, 1983

  • Capital

    ¥50 million

  • Fiscal year ends

    March 31st

  • Number of employees

    17(as of April 1st, 2023)

  • Net sales

    ¥905 million (fiscal year ending March 2023)

  • Business areas

    1.Construction and supervision of construction work2.Sales, design, construction supervision and import/export of electrical equipment and equipment3.Maintenance and management of electricity, air conditioning, water supply and drainage facilities attached to buildings and buildings4.Cleaning inside and outside the building and service business related to buildings5.Design and construction of electricity, air conditioning, disaster prevention, sanitation and water supply and drainage facilities6.Power generation and supply business7.Management and operation of overseas affiliates8.Consulting business9.All incidental business related to each item described above

  • President & CEO

    Gen Uyeno

  • Representative Director & COO

    Masakazu Hashimoto

  • Senior Managing Director

    Yoichi Honda

  • Director

    Takeshi Yanagawa

  • Director

    Yoshihiro Oonishi

  • Director

    Yasuki Sato

  • Auditor

    Kazuyoshi Tsukamoto

Tokyo Office
7F Kasumigaseki Bldg.,2-5 Kasumigaseki 3-chome,Chiyoda-ku,Tokyo 100-6007 JAPAN