Treasury, IRS extend safe harbor for renewable energy projects WASHINGTON D.C. (KVOA) — The Department of the Treasury and the Internal Revenue Service on Tuesday issued guidance for taxpayers developing renewable energy projects to address delays related to the COVID-19 pandemic. In prior IRS notices, the Treasury Department and the IRS established the Continuity Safe Harbor that allows an eligible renewable energy project to be deemed to satisfy the continuity requirement for taking the production tax credit and the investment tax credit (Continuity Safe Harbor) if the taxpayer places the project in service within a certain period that starts in the taxable year in which construction of the project began.