OGPTL was incorporated on April 17, 2015. OGPTL entered into a TSA on November 20, 2015. The OGPTL project was awarded by the Ministry of Power on January 6, 2016 for a 35-year period from the scheduled commercial operation date of the OGPTL project, on a BOOM basis.

The Jharsuguda-OPGC 400kV D/C transmission line was commissioned in August 2017 and Raipur- Jharsuguda line was commissioned in April, 2019.