The project was implemented by gas transmission system operators AB Amber Grid (Lithuania) and Gaz-System SA (Poland).

The completion of GIPL integrated Lithuania, together with the other two Baltic states and Finland, into the European Union (EU) gas transmission system.

[4] Before that, in August 2014, the EU Agency for the Cooperation of Energy Regulators (ACER) at the request of project promoters made a decision on cross-border cost allocation between Poland, Lithuania, Latvia and Estonia.

In May 2018 natural gas transmission system operators of Poland, Lithuania, Latvia and Estonia signed agreement detailing the procedures on how ACER decision on GIPL cross-border cost allocation should be implemented.

[6] In July 2019 company Alvora together with partner Šiaulių dujotiekio statyba were chosen as contractors for GIPL construction in Lithuanian territory.

Following the decision of the EU Agency for the Cooperation of Energy Regulators (ACER), the Baltic countries covered €86 million of Poland's costs in the project.

[11] In 2019, it was estimated that GIPL capacity would be able to satisfy more than 40 percent of annual natural gas demand in the Baltic countries and Finland.