Type Certification for Wind Turbines
ClassNK performs various evaluations for wind turbines based on related standards and technical requirements such as ”Design Evaluation” and “Prototype Certification for type testing”, finally issuing ”Type Certificate” the applicable standards have been satisfied.
Unauthorized use prohibited
ClassNK publishes the following documents for type certification of wind turbines.
| Documentation | Document No. | Revision | Document type |
|---|---|---|---|
| Wind Turbine Type Certification Service Procedure | NKRE-SP-0001 Edition: October 2025 |
0 | |
| Guidelines on the Use of Certification Documents and Symbols | NKRE-AP-0001 Edition: October 2025 |
5 | |
| Guideline on Process for Filings of Complaints, Objections and Fraudulent Behaviour | NKRE-AP-0002 Edition: October 2025 |
3 | |
| Request for Quotation | NKRE-070-01 | 0 | PDF Word |
| Application | NKRE-070-03 | 0 | PDF Word |
| Registration of Type Certification for Small Wind Turbines | NKRE-070-07 | 0 | |
| Registration of Type Certification for Wind Turbines | NKRE-070-08 | 0 | |
| Annual Report | NKRE-070-09 | 0 | Excel |
| Application for Plan Approval Status Service (NK-PASS) 〈Renewable Energy〉 | PASS-APP-E | - | PDF Word |
News
Guidelines
NKRE-GL-WT01 Certification of Wind Turbine System
Related Documents
RD2101_R02 ClassNK Wind Turbine Certification and Related Services [May 2024 Website public version]
Address and Contact Details
NIPPON KAIJI KYOKAI
Renewable Energy Department
4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, JapanTel: +81-3-5226-2032 Fax: +81-3-5226-2060 email: re@classnk.or.jp