Government leaders of the three countries on Friday sent a respective letter to Jean-Claude Juncker and Ewa Kopacz.

“As far as the letter is concerned, we agreed on that with the prime ministers of Latvia and Estonia on Apr. 10, during the meeting of the Baltic prime ministers of the Baltic Council of Ministers in Vilnius. We hope the Polish Prime Minister will take into consideration the financing of this project, which is important for all four countries,” Prime Minister Algirdas Butkevičius said in a press release.

According to the press release, the solution for GIPL financing is expected to be found by mid-May.

The letter also said that the synchronization of electricity systems of the Baltic countries with the respective system of continental Europe remained one of the key priorities.

Amber Grid, the Lithuanian gas transmission system operator, has already launched an open tender process for the designing of the gas pipeline between Lithuania and Poland.

It is planned that the Lithuanian section of the gas pipeline will be around 170 kilometres long and will be built by the end of 2019.

Amber Grid is implementing the Lithuanian-Polish gas pipeline project, estimated to cost a preliminary 558 million euros, together with Poland's Gaz-System.

The Lithuanian company will invest 136 million euros in the project, of which 80.3 million euros are expected to come from EU funds.