ANKARA, March 20 (Reuters) - Turkish energy investment firm Unit on Monday said would partner with South Korean energy conglomerate SK Group on the construction of five gas-fired power plants in Iran for a total of 5,000 megawatts (MW).

In a statement, Unit also said SK Group 034730.KS would take 30 percent of Unit International, which carries out operations in Iran.

(Reporting by Orhan Coskun; Writing by Tuvan Gumrukcu; Editing by David Dolan) ((tuvan.gumrukcu@tr.com; +903122927021; Reuters Messaging: tuvan.gumrukcu.thomsonreuters.com@reuters.net))