US solar stocks rise after Treasury eases subsidy rules
Shares of US solar companies gained after the Treasury Department issued guidance on clean energy subsidies that proved less restrictive than expected. The new rules, announced on 15 August, clarify what qualifies as a solar or wind project under construction, a requirement for accessing federal tax credits covering 30% of project costs. Developers must now show physical work on-site, not just financial commitments. The Treasury also retained the four-year window for completing projects once construction…