H.R.2555: To amend the Internal Revenue Code of 1986 to extend the credit for electricity produced from certain renewable resources, and for other purposes.

Renewable Energy Credit Extension Act of 2007 - Amends the Internal Revenue Code to: (1) extend through 2013 the tax credit for electricity produced from certain renewable resources (e.g., wind, biomass, poultry waste); and (2) allow certain organizations, including tax-exempt organizations, state and local governments, and Indian tribal governments, to sell unused amounts of such tax credit.