A federal court in Washington, DC, ruled that the IRS acted in an "arbitrary and capricious" manner when — after more than a decade of precedent — it required wind and solar facilities alone to change how they establish "safe harbor."

The Trump administration acted unreasonably in eliminating the 5% total cost threshold as a route for wind and solar projects to prove tax credit eligibility, a federal judge…

A federal court in Washington, DC, ruled that the IRS acted in an "arbitrary and capricious" manner when — after more than a decade of precedent — it required wind and solar…

Federal judge strikes down IRS rule limiting wind and solar tax credits, citing risks to electricity supply and prices.