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 are planning to build a 1,000 MW submarine cable between Tivat and Pescara. The cable to be operational by 2015.
The European Bank for Reconstruction and Development is preparing a €65 million syndicated loan for the company. The loan would be used for the construction of a new substation at Lastva, and a new line from Lastva to Pljevlja to be connected to the Italy–Montenegro interconnector.