Dr. Ji-sang Park, the Director of Wind Turbine Technology Research Center of the Korea Institute of Materials Science (KIMS,

President Jung-hwan Lee), developed Korea’s first 100m-long ultra-large wind blade certification test facility and test

technology and succeeded in completing its static load certification test. The success of the 100m ultra-large wind blade

certification test is the first in Korea and the third in the world.

There are many attempts to develop extra-large wind blades around the world, but only a few are successful in 

certification tests. Currently, ORE CATAPULT* of the UK, CGC (Yangjiang)* of China, and KIMS are equipped with facilities and

testing technology for certification testing of 100m-long ultra-large wind blades. Among them, the UK and Korea have the

qualifications of an internationally accredited testing institution recognized by IECRE*.

The wind blade with a capacity of 8MW and a length of 100m was developed through a government support project. The 

turbine system was developed by Doosan Heavy Industries & Construction, and the blade design was jointly developed by

Doosan and KIMS. Human Composite manufactured the blade, and KIMS conducted its certification test.

To achieve 2050 carbon neutrality, wind and solar power-centered, large-scale energy transitions are required. From 

2040, wind power generation is expected to account for the highest share of electricity generation. Competition for ultra-large

blades, which is the key to realizing ultra-large wind turbines, is fiercely contested: companies around the world announce the

development of over 100m blades to keep pace with the rapid growth of the offshore wind power market and accelerate the

development of ultra-large wind turbines to use wind more cheaply and efficiently. The leader in the future wind power

industry will be decided depending on who becomes the first to commercialize the ultra-large blades over 100m.

After completing the fatigue load test and post-fatigue static load test of the blade, KIMS will acquire domestic and

international certifications. After that, if blades are stably supplied to offshore wind farms in the Southwest Sea of Korea, it

will be the first case in the world where blades with a length of 100m or longer are commercialized. 

Dr. Ji-sang Park said, “Our success of the development of a 100m-class blade for an ultra-large offshore wind turbine means 

that the domestic offshore wind power technology will take a big leap forward to become the world’s best. We will not spare

our effort to create a bridgehead to advance into overseas markets.” 

This research achievement was supported by the “8MW class large offshore wind power generation system development

project” and the “8MW class large-scale wind blade vertical static load test and multi-point fatigue test technology

development project” of the Ministry of Trade, Industry and Energy.