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.
ClassNK publishes the following documents for wind farm certification.
|Documentation||Document No.||Document type|
|Wind Farm Certification Service Procedure||NKRE-SP-0003
Edition: April 2023
|Guidelines on the Use of Certification Documents and Symbols||NKRE-AP-0001|
|Guidelines on Filings of Complaints and Objections||NKRE-AP-0002|
|Application (Initial)||RE-081-03||PDF Word|
|Application (Change)||RE-081-04||PDF Word|
|Request for Quotation
- Onshore Wins Power Plant & Initial -
|Registrations of Wind Farm Certification
Onshore Wind Power Plant
Offshore Wind Power Plant
|Application for Plan Approval Status Service (NK-PASS) 〈Renewable Energy〉||PASS-APP-E||PDF Word|
NKRE-GL-WFC01 Wind Farm Certification, Onshore Wind Power Plant Edition
NKRE-GL-WFC01_Comparison table Comparison table between old and new that clearly shows the changes from the July 2021 version (October 2021 error correction edition).
RD2101_R01 ClassNK Wind Turbine Certification and Related Services [August 2023 revised version]
Address and Contact Details
NIPPON KAIJI KYOKAI
4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, Japan
Renewables and Environment Department
Tel: +81-3-5226-2032 Fax: +81-3-5226-2060 email: firstname.lastname@example.org