What Are Examples of Conventional Sources of Energy?

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Petroleum, natural gas, coal, nitrogen, uranium and water power are examples of conventional sources of energy. They’re also called non-renewable sources of energy and are mainly fossil fuels, except water power.

Conventional sources of energy are exhaustible, except water. Their use causes pollution as they emit ash and smoke. They're also very expensive to maintain, store and transmit since they’re carried over long distances through transmission lines and grids.

Fossil fuels were created millions of years ago from plant and animal remains. They are used in transportation and manufacturing, and support the power and electrical systems of homes and industries.

Other conventional energy sources like water, nitrogen and uranium are used to generate electricity that’s used in homes, schools, factories and businesses.