Russian natural gas supply to Poland is covered by a long-term contract with Polskie Gornictwo Naftowe i Gazownictwo (PGNiG)Polskie Gornictwo Naftowe i Gazownictwo (PGNiG) is Poland’s largest oil and gas company headquartered in Warsaw. It is involved in oil and gas field development, production, storage, and transmission of these primary energy products, construction and development of the national oil and gas transmission system, and gas imports and exports. The company was established as a state enterprise in 1982. In 1990, it was transformed into a joint-stock company. After consequential privatization 71,88% of the company's shares are held by the state.. The first volumes of Russian gas were supplied to Poland from 1944. Poland is one of the leaders among Eastern European States in terms of Russian gas purchases and plays an important role in its transit to Western Europe.

As of 31 December 2019, over the course of cooperation over 333.5 bcm of natural gas has been sold in Poland, including 9.73 bcm in 2019, 0.37 bcm of this being fuel gas.