This document provides an overview of alternative energy sources in the United States, including biomass, geothermal, hydroelectric, solar, and wind energy. It examines the top companies operating in each sector and the leading states for renewable energy usage. The outlook for investment in alternative energy is also discussed, with solar and wind projected to experience significant growth. Major drivers of investment include tax credits, rebate programs, and renewable energy credits. California is highlighted as installing more solar capacity than any other state.
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