Natural gas deliveries to Slovenia started in 1978. Since the break-up of Yugoslavia, cooperation has been based on an Intergovernmental Agreement of 5 November 1992. 

Gazprom Export’s partner in the Slovenian market is Geoplin d.o.o. Ljubljana which was founded in 1975 and is now the country’s largest importer of natural gas.

The current contract between Gazprom Export LLC and Geoplin d.o.o. Ljubljana on natural gas supplies was signed on 13 April 2018. It runs through 31 December 2022. The annual volume of deliveries under this contract is 600 million cubic meters.

As of January 1, 2018, more than 14.1 bсm of natural gas were delivered to Slovenia since the beginning of supplies, including 607.2 mcm in 2017.