This document summarizes the contents of the American Recovery and Reinvestment Act, popularly known as the Stimulus Package, that impact the Energy Efficiency and Renewable Energy sectors. The document outlines provisions related to batteries, hybrid electric vehicles, solar, wind, fuel cells, geothermal, biomass, alternative fuel vehicle refueling property, combined heat and power, carbon sequestration and energy efficiency as well as the direct-impact and indirect-impact incentives included.