Clean energy stocks soared after the Trump administration released new guidance on eligibility requirements for tax credits that weren’t as punitive as the industry had feared.

New Treasury Department guidance limiting eligibility for lucrative tax credits follows Trump’s executive order to “strictly enforce” restrictions on the incentives.

The Trump administration is expected as soon as Monday to take another step toward curbing the growth of renewable energy in the United States by making it harder for companies to claim federal tax subsidies for wind and solar energy.