The production from Troll C started in 1999. The Troll C platform is also utilised for production from the Fram field. Several PDO amendments were approved in connection with various subsea templates at Troll Vest. A PDO for Troll Phase III (gas production from Troll Vest) was approved in 2018 and the production started in August 2021. An amended PDO for power from shore to Troll Vest was approved in 2021.