She noted that the EC did not have close cooperation with the Polish authorities on competition issues and she does not know this case in detail.

According to her, the fines of the European Commission are on average 4-6% of the company's global turnover.

"This (a 10% penalty. -

RT

) could have happened in the past, I do not exclude this, but this is very rare," RIA Novosti quoted Vestager as saying.

Earlier, the Office for the Protection of Competition and Consumers of Poland (UOKiK) decided to fine Gazprom and the European companies cooperating with it for the construction of SP-2.

Thus, the companies were fined $ 100 million, Gazprom - $ 7.6 billion. Gazprom intends to appeal the decision. 

The Kremlin expressed confidence that the company will take legal counter-actions.