Press Release

Goto Floating Wind Farm LLC Consortium Postpones Startup of Goto City Offshore Wind Power Generation Project to January 2026

September 22, 2023
Goto Floating Wind Farm LLC
TODA CORPORATION
Japan Renewable Energy Corporation
OSAKA GAS CO., LTD.
INPEX CORPORATION
Kansai Electric Power Co., Inc.
Chubu Electric Power Co., Inc.

Goto Floating Wind Farm LLC (hereinafter "Consortium") announced today it has decided to revise the initial project schedule of the Goto City Offshore Wind Power Generation Project (hereinafter "Project") as previously reported due to the discovery of defects in a floating structure. The Consortium is constructing an offshore wind farm based on the Act of Promoting Utilization of Sea Areas in Development of Power Generation Facilities Using Maritime Renewable Energy Resources.

1. Revision of operational startup schedule

The Project's commercial operation date was initially scheduled for January 2024. However, the construction process was delayed due to defects discovered in a floating structure during construction. Accordingly, the Consortium filed an application to revise the Project's public occupancy plan rescheduling the Project's operational startup for January 2026. The application was approved by the Ministry of Economy, Trade and Industry (METI) and the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) on September 22, 2023.

2. Landing and inspection of a floating structure installed off the coast of Sakiyama

TODA CORPORATION (TODA), which oversees the Project's construction operations, announced on May 9, 2023 that defects were discovered in two floating structures under construction at an onshore yard. TODA subsequently confirmed the facts, investigated the causes and considered countermeasures. The company has also taken corrective measures for the defects in the two floating structures and restarted construction work at the onshore yard.

Additionally, TODA will conduct inspections of a floating structure already installed off the coast Sakiyama to verify the existence of defects. One of the three floating structures installed off the coast of Sakiyama will be landed on the yard in Fukue Port where the integrity of the floating structure will be verified. Based on the results, TODA plans to decide whether to inspect the remaining two floating structures.

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[Business summary]

Project title	Goto City Offshore Wind Power Generation Project
Operator	Goto Floating Wind Farm LLC
Power generation facility	Floating offshore wind power generation facility 16.8 MW (= 2.1 MW machine x 8 units) (Total length 176.5m, rotor diameter 80m)
Headquarters	Goto City, Nagasaki Prefecture, Japan
Start of operations	January 2026 (Scheduled)
Shareholders	TODA CORPORATION Japan Renewable Energy Corporation OSAKA GAS CO., LTD. INPEX CORPORATION The Kansai Electric Power Co., Inc. Chubu Electric Power Co., Inc.

Rendering of project upon completion

[Profiles of Consortium Member Companies]

TODA CORPORATION

Established	July 1936
Representative	Otani Seisuke, President and Representative Director
Head Office	8-5 Hatchobori 2-Chome, Chuo-ku, Tokyo, Japan
Business Areas	Research, planning, design, management, and execution related to all aspects of architectural and civil engineering comprehensive engineering and consulting related thereto Research, planning, design, management, and execution related to local development, urban development, etc.; comprehensive engineering and consulting related thereto Real estate sale and purchase, rental, intermediary services, management, and appraisal

Japan Renewable Energy Corporation

Established	August 2012
Representative	Takeuchi Kazuhiro, President and CEO, Representative Director
Head Office	6-2-31 Roppongi, Minato-ku, Tokyo, Japan
Business Areas	Preliminary surveys, planning, design, materials procurement and sales, civil engineering, electrical service, construction, operation, maintenance and inspection work, and electric power sales pertaining to power generation plants (wind, solar, biomass, and other natural energy-based power generation)

OSAKA GAS CO., LTD.

Established	April 1897
Representative	Fujiwara Masataka, Representative Director and President
Head Office	4-1-2 Hirano-machi, Chuo-ku, Osaka, Japan
Business Areas	Production, supply and sale of gas Power generation and sale of electricity, etc.

INPEX CORPORATION

Established	April 2006
Representative	Ueda Takayuki, Representative Director, President & CEO
Head Office	Akasaka Biz Tower, Akasaka 5-3-1, Minato-ku, Tokyo, Japan
Business Areas	In addition to the exploration, development, production and marketing of petroleum, natural gas and other mineral resources in Japan and other countries, INPEX is actively endeavoring to develop renewable energies, hydrogen energy, carbon dioxide capture and storage (CCS) technology, methanation technology and other new technologies.

The Kansai Electric Power Co., Inc.

Established	May 1951
Representative	Mori Nozomu, Director, Representative Executive Officer, President
Head Office	3-6-16 Nakanoshima, Kita-ku, Osaka, Japan
Business Areas	Electric power, heat supply, telecommunications, gas supply, etc.

Chubu Electric Power Co., Inc.

Established	May 1951
Representative	Hayashi Kingo, President & Director
Head Office	1, Higashi-shincho, Higashi-ku, Nagoya, Aichi, Japan
Business Areas	Renewable energy business, overseas business, community support infrastructure related business, etc.

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