ClassNK Renewable Energy

In order to support the industry's growing needs for renewable energy technologies, ClassNK provides certification and a third-party verification services of diverse renewable energy facilities. ClassNK is contributing towards the creation of low carbon societies both in Japan and abroad through these services.
What's New
- May 25, 2023
- Registrations of Type Certification for Small Wind Turbine updated (as of May 24, 2023)
- Apr. 10, 2023
- Registration of Wind Farm Certification updated (as of Mar. 31, 2023)
- Feb 22, 2023
- Registrations of Type Certification for Wind Turbine updated (as of February 22, 2023)
Address and Contact Details
NIPPON KAIJI KYOKAI
Renewables and Environment 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