ATLANTA (AP) — Hyundai Motor Group and LG Energy Solution announced Thursday they will build a $4. Hyundai and SK On, a unit of South Korea’s SK Group, announced in December they would jointly invest $4 billion to $5 billion to build a new plant northwest of Atlanta that would supply electric batteries for Hyundai and Kia electric vehicles assembled in the U. Because the battery plant is part of the overall Hyundai complex, Douglas said no additional incentives would be offered