Wind Farm Certification

Wind Farm Certification is covered as part of the project certification process and is carried out to ensure conformity with the safety regulations of the Electricity Business Act for ”Construction Plan Notification”. ClassNK evaluates the environmental conditions of the proposed installation site and assesses whether the strength and safety of the wind turbines and their support structures are suitable for the installation environment based on Japan-specific requirements.

Unauthorized use prohibited

ClassNK publishes the following documents for wind farm certification.

Documentation	Document No.	Document type
Wind Farm Certification Service Procedure	NKRE-SP-0003 Edition: September 2024	PDF
Guidelines on the Use of Certification Documents and Symbols	NKRE-AP-0001	PDF
Guidelines on Filings of Complaints and Objections	NKRE-AP-0002	PDF
Application (Initial)	RE-081-03_R01	PDF　Word
Application (Change)	RE-081-04_R01	PDF　Word
Request for Quotation - Onshore Wins Power Plant & Initial -	RE-081-05_R01	PDF　Word
Registrations of Wind Farm Certification 　Onshore Wind Power Plant 　Offshore Wind Power Plant	RE-081-02	PDF PDF
Application for Plan Approval Status Service (NK-PASS) 〈Renewable Energy〉	PASS-APP-E	PDF　Word

Guidelines

NKRE-GL-WFC01_September 2024 Wind Farm Certification, Onshore Wind Power Plant Edition, September 2024 version

NKRE-GL-WFC01_Comparison table Comparison table between old and new that clearly shows the changes from the March 2023 version

NKRE-GL-WFC01_March 2023Wind Farm Certification, Onshore Wind Power Plant Edition , March 2023 version

NKRE-GL-WFC01_July 2021 Wind Farm Certification, Onshore Wind Power Plant Edition , July 2021 version（October 2021 error correction edition)

Address and Contact Details

NIPPON KAIJI KYOKAI
Renewable Energy Department

4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, Japan
Tel: +81-3-5226-2032 Fax: +81-3-5226-2060 email: re@classnk.or.jp

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