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KYOCERA TCL Solar Begins Construction on 13.7MW Floating Solar Power Plant

Company’s fourth floating solar project, world’s largest, will be built on Japan’s Yamakura Dam reservoir

January 21, 2016
In a joint venture, Kyocera Corporation (President: Goro Yamaguchi; herein “Kyocera,”) and Century Tokyo Leasing Corporation (President: Shunichi Asada; herein “Century Tokyo Leasing”) announced today that Kyocera TCL Solar LLC (herein “Kyocera TCL Solar”) has started construction of the world’s largest*1 13.7 megawatt (MW) floating solar power plant on the Yamakura Dam reservoir, managed by the Public Enterprises Agency of Chiba Prefecture in Japan for industrial water services.

Photo: Rendering of the 13.7MW plant on the Yamakura Dam reservoir
Rendering of the 13.7MW plant on the Yamakura Dam reservoir

Scheduled for launch in FY2018 (fiscal year ending March 31, 2018), the plant will be comprised of approximately 51,000 Kyocera modules installed over a fresh water surface area of 180,000m2. The project will generate an estimated 16,170 megawatt hours (MWh) per year — enough electricity to power approximately 4,970 typical households*2 — while offsetting about 8,170 tons*3 of CO2 emissions annually. This is equal to 19,000 barrels of oil consumed*4.

The project was initiated in October 2014, when the Public Enterprises Agency of Chiba Prefecture publicly sought companies to construct and operate a floating solar power plant to help reduce environmental impact.

  Photo: Floating solar power projects developed by Kyocera TCL Solar in Japan
  Floating solar power projects developed by Kyocera TCL Solar in Japan
With the decrease in tracts of land suitable for utility-scale solar power plants in Japan due to the rapid implementation of solar power, Kyocera TCL Solar has been developing floating solar power plants since 2014, which utilize Japan’s abundant water surfaces of reservoirs for agricultural and flood-control purposes. The company began operation of 1.7MW and 1.2MW plants in March 2015 followed by the launch of a 2.3MW plant in June. With Kyocera Communication Systems Co., Ltd. responsible for construction and Kyocera Solar Corporation undertaking O&M (operation and maintenance) of these projects, the Kyocera Group is cultivating the technology and expertise to construct, operate and maintain floating solar power plants.

Project Overview
Location Yamakura Dam
(Ichihara City, Chiba Prefecture, Japan)
Operation Kyocera TCL Solar LLC
Output Approx. 13.7MW
Solar modules 270-watt Kyocera modules (50,904 modules in total)
Expected annual power generation Approx. 16,170MWh/year
Electricity generated is planned to be sold to Tokyo Electric Power Company, Incorporated
Construction timeline Start of construction: December 2015
Planned launch: FY2018 (fiscal year ending March 31, 2018)
Design & construction KYOCERA Communication Systems Co., Ltd.
Maintenance KYOCERA Solar Corporation

Company Overview
Company name Kyocera TCL Solar LLC
Location Chiyoda-ku, Tokyo, Japan
Shareholders Century Tokyo Leasing Corporation (81%)
Kyocera Corporation (19%)
Established August 2012
Business outline To sell power produced from solar power generation

*1 World’s largest floating solar power plant in terms of output. Claim is based on research by Kyocera TCL Solar LLC (as of January 15, 2016) of projects currently under construction and in operation.
*2 Based on average annual use of 3,254.4kWh per household. Source: Federation of Electric Power Companies of Japan (Graphical Flip-chart of Nuclear & Energy Related Topics 2015)
*3 Based on calculations derived from JPEA (Japan Photovoltaic Energy Association) standards
*4 Based on calculations derived from the United States Environmental Protection Agency’s Greenhouse Gas Equivalencies Calculator