Terna Group (22.09%) Crnogorski elektroprenosni sistem AD (MNSE: PREN) (CGES; former name Prenos AD; meaning: Montenegrin Electrical Transmission System)[a] is an electric power transmission system operator located in Podgorica, Montenegro.

It is a member of European Network of Transmission System Operators for Electricity.

In 2009, the company broke away from EPCG and was partly privatized, with 55% stake owned by Government of Montenegro.

22% and 15% stake is owned by Italian and Serbian electricity transmission companies Terna and EMS respectively.

[1][2] CGES and Terna have built a 450-kilometre (280 mi) 600 MW submarine cable between Tivat and Pescara.