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During the 1700's wood was commonly used because it was easy to get, and can be consumed on demand.
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Animals were mainly used around this time for transportation and power. Small water mills also produced power for people.
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Coal provided more heat than wood, and occupied a smaller volume. With these benefits, people began to use them more.
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Oil had a cost that competed with coal, so oil was starting to be used.
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Natrual gas, like oil, was a cleaner fuel, and surpassed coal
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Nuclear energy began to grow rapidly around the 1950s, but accidents have caused some concerns.
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Hydropower is the use of water to produce energy.
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Wind power uses wind turbines to create energy, and is best used in rural areas.
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Biomass is the energy that comes from plant and plant derived materials.
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Solar energy is the use of sophisticated technology to harnass the sun's energy, and convert it to electricity.
