New onshore wind farms will be excluded from a subsidy scheme from 1 April 2016, a year earlier than expected.
But it is estimated that almost 3,000 wind turbines are awaiting planning permission and this announcement could jeopardise those plans.
Energy firms had been facing an end to generous subsidies in 2017.
The funding for the subsidy comes from the Renewables Obligation, which is funded by levies added to household fuel bills.
After the announcement was made, Fergus Ewing, Scottish minister for business, energy and tourism and member of the Scottish parliament, said he had warned the UK government that the decision could be the subject of a judicial review.
found on the BBC