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In a significant blow to the government's clean energy ambitions, the Danish energy company Orsted has cancelled plans for a huge windfarm off the coast of Yorkshire.

They say the potential impacts of Berwick Bank are becoming so severe that they "overshadow and are undermining" the progress of other, lower impact windfarm applications.

This is because account would have to be taken of the cumulative impact of windfarm expansion when other applications are considered.

"We envisage about 30 different windfarm projects over the next 10 years or so in our natural trading hinterland," he said.

Charlie Jordan, chief executive of Scottish Power Renewables, said the £4bn windfarm would provide enough green energy to power more than a million homes.