Hyundai Heavy Industries started its solar business in 2005 with production centers in Eumseong, Chungcheongbuk-do(province). In December of 2006, the company acquired the 'CE Mark' and the safety/quality marks of the 'International Electrotechnical Commission (IEC)' recognised in 43 countries around the world.

The second plant was up and operating during the second half of 2009 and annual production capacity reached 600MW during 2011. The company continues to expand with 2GW forecast in 2013. The company initiated its 3,000 ton annual production system of polysilicon through KAM, a joint venture company established between Hyundai and KCC(a renowned chemical company in Korea). In June 2009, the company acquired UL (Underwriters Laboratories) certificate for its photovoltaic modules, a US product safety testing agency. This was marked as the first in Korea, where Hyundai had proved its technology excellence by passing all the requirement tests.

In 2010, Hyundai acquired JET certificate and completed the J-PEC registration which are both essential for entering the residential markets of Japan. The company also prepared to brand itself throughout the residential market by developing its very own residential solar generation kit into a widely used commercial brand.