Plan for the World's First Mega Solar Power Generation in a High-Rise Building Using Film-type Perovskite Solar Cells

  SEKISUI CHEMICAL CO., LTD. (President: Keita Kato; hereinafter “SEKISUI CHEMICAL”) announces that film-type perovskite solar cells (hereinafter “PSCs”) currently under development will be installed on the South Tower being constructed under the “Uchisaiwaicho 1 Chome District South Zone Type 1 Urban Redevelopment Project ” in Chiyoda-ku, Tokyo.
  PSCs with a rated power generation capacity of over 1,000 kW will be installed on the spandrel section of the South Tower, making it the world's first high-rise building equipped with mega solar power generation capabilities using PSCs. This will contribute to efforts to maximize energy creation in urban areas and expand the local production for local consumption of energy.
  Until now, the installation of solar cells on the walls of high-rise buildings has been hindered by a number of issues, including the need to cope with high loads and wind pressure, as well as the high cost of renewal, thus preventing their widespread adoption. However, a new installation method that takes advantage of the thin, lightweight, and bendable characteristics of PSCs is expected to solve these issues.
  Through this project, SEKISUI CHEMICAL will enhance its PSCs installation technology (construction, maintenance management, and replacement) to accelerate the widespread use of PSCs, thereby making a significant contribution to the realization of carbon neutrality.

Film-type Perovskite Solar Cells
The building renderings, etc. in this document are at the planning stage, and may be subject to change due to future administrative guidance, etc.


Headquartered in Japan, SEKISUI CHEMICAL CO., LTD. (TSE: 4204) and its subsidiaries make up the SEKISUI CHEMICAL Group. 26,000 employees in over 180 companies throughout 21 countries and regions aim to contribute to improving the lives of the people of the world and the earth’s environment. Thanks to a history of innovation, dedication and a pioneering spirit, SEKISUI CHEMICAL now holds leading positions in its three diverse business divisions as well as top global market share in interlayer film, foam products, conductive particles and more.
Since its foundation in 1947, the SEKISUI CHEMICAL Group has dedicated itself to social and environmental contribution and is now an internationally recognized leader in sustainability and environmental initiatives, having recently been selected as one of the Global 100 most sustainable companies. SEKISUI CHEMICAL Group will continue to maintain a strong corporate presence for 100 years and beyond.

Press Contact

       Corporate Communication Department


This press release may contain forward-looking statements. Such forward-looking statements are based on current expectations and beliefs and are subject to a number of factors and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements due to changes in global economic, business, competitive market and regulatory factors.