President Donald Trump’s administration has given onshore wind developers who started construction of an estimated 20GW or more projects in 2016 or 2017 an extra year to complete and qualify them for federal production tax credits (PTCs) at full or 80% value, in recognition of delays from Covid-19 impacts to supply chains and workforces.

Developers will now have five years, instead of four years, to complete construction without having to prove continuous work on the projects after construction began, the Internal Revenue Service, the US tax authority, said in Notice 2020-41 issued on Wednesday.