A government source also said that PGE would focus on offshore.

The ministry, which holds 79 percent of PGE, declined to comment.

This effect was accompanied by a shift of the prostaglandin formation toward vasodepressive PGE.

So far PGE has said only it will decide on the plant's site in 2017.

State-run PGE said net profit totalled 964 million zlotys.