The US wind production tax credit (PTC) may have started its terminal decline on 1 January — dropping to 80% of its former value, on its way towards nothing in 2020 — but industry experts say it still has some kick in it.

“I think there are a fair number of people looking at the 80%,” Chris Brown, chief executive of Vestas Americas, said on Thursday at the Wind Power Finance & Investment Summit in California.

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