Following the multi-year PTC extension passed by Congress last year, the American wind industry scored another huge win this month when the Internal Revenue Service (IRS) issued updated guidance on what developers must do to qualify projects for the tax credit.

Previously, as long as developers entered physical construction or “safe-harboured” a project by investing 5% of the budget in a year in which the PTC was live, they then had two years to bring it to completion while still qualifying for the tax credit.

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