Crnogorski elektroprenosni sistem AD (MNSE: PREN) (CGES; former name Prenos AD; meaning: Montenegrin Electrical Transmission System) 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.
CGES and Terna have built a 600 MW submarine cable between Tivat and Pescara.