This guide gives tips on assessing, planning, and funding renewable energy projects for businesses. It talks about technologies like burning biomass and converting waste into energy that can be used economically right now by industries. It also looks at solar power, photovoltaics, and wind energy, which aren't widely used in industry yet but might be in the future as oil and gas prices rise. The guide includes info on environmental and legal aspects too. In total, there are 39 references, one figure, and six tables to help understand the topic.