Denmark’s Dong and Iberdrola of Spain — two of the largest investors in Polish wind farms — are looking to exit Eastern Europe’s largest energy market just as the government moves to overhaul its system of support for green energy by effectively cutting funding for onshore wind.

A spokeswoman for the Polish Wind Energy Association (PWEA) tells Recharge that the Ministry of Economy is preparing a bill that will be damaging for wind and the wider renewable-­energy sector.

“A