Growth in renewables manufacturing is about to slow, and thousands of jobs will be lost, if Congress doesn't level the playing field between renewables and traditional fossil energy sources, renewables advocates told the National Hydropower Association conference April 18 in Washington DC.

The wind, hydro and solar industries are all facing expiration of tax benefits that have allowed them to grow during the recession. Though the specific tax provisions vary, said NHA Executive Director Linda Church Ciocci, "We're all in the same boat, and we sink or swim together."