OGP Gaz-System S.A. (Polish: Operator Gazociągów Przesyłowych GAZ-SYSTEM S.A.) is a designated natural gas transmission system operator in Poland.

[1] The company was established on 16 April 2004 as a wholly owned subsidiary of PGNiG (Polish Petroleum and Gas Mining Co.) under the name PGNiG – Przesył Sp.

z o.o.

On 28 April 2005, all shares of the company were transferred to the State Treasury of Poland and the current name of the company was adopted on 8 June 2005.

Gaz-System owns and operates all gas transmission pipelines in Poland, the terminal LNG at Świnoujście and the Baltic Pipe pipeline between Poland and Denmark,[2][3][4] it operates the Yamal–Europe pipeline owned by EuRoPol Gaz S.A.[1] and the underground gas storage facilities belonging to Gas Storage Poland Sp.