The rules for safe harboring clean energy tax credits are “not as bad as rumored” but uncertainty remains on qualification requirements.

WASHINGTON - A Treasury Department guidance released late Friday significantly narrowed the window during which wind and solar project developers can take advantage of federal tax credits. The move, essentially a redefining of when a renewable energy project is considered to have started construction,

The president issued an order last month directing the Treasury Department to rewrite rules for the remaining tax credits available to wind and solar projects.