This approval marks a crucial step forward, allowing the project to advance with further offshore investigations and accelerate project development, Deep Wind said.
The project forms part of Deep Wind Offshore and BP's partnership to build 6GW of offshore wind projects in the country.
John Kang, country manager of Deep Wind Offshore Korea, said: "This granted PWOP increases the scale and commercial attractiveness of the Abalone project and provides a strong foundation for the stable progress going forward.
"Through close collaboration with our partners and stakeholders, we remain committed to delivering a sustainable offshore wind future."