GIC is investing USD 123.9 million and the ADIA subsidiary the remaining USD 31.1 million, a company release said here.
Definitive agreements have been signed with them in this regard, it added.
With this transaction, GIC continues to be the majority shareholder of the city-based renewable energy company.
The funds will contribute to the continued growth of Greenko's platform through the development of new renewable energy projects, including recently acquired Solar Projects and low-risk expansions of existing wind farms, it said.
Greenko is a owner and operator of renewable energy assets in India. The company has a utility scale portfolio of over 2,000 MW of wind, solar and small hydro assets.