Renewable energy

Abstract

Energy Resources        It can be classified into two categories: Nonrenewable Energy Conventional and fossil fuel Their supplies are limited and we cannot produce as much fossil fuel in a short time as we like Most of our electricity is generated based on nonrenewable energy resources Fossil fuel are: coal, petroleum, natural gas   Renewable Energy Alternative Energy It can called sustainable energy It include: biomass, geothermal energy, hydro power, solar energy, ocean energy, and wind energy They are called renewable because they are replenished or regenerated in a short time We use renewable energy sources mainly to make electricity and provide thermal heat for applications