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Coal was discovered near the James River. James River is located in present-day Richmond, Virginia.
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The first U.S. coal production began near Richmond, Virginia,
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Benjamin Franklin tied a key to a kite's string during a thunderstorm to prove that static electricity and lightning were the same thing. He was successful in his experiment.
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In New York, William Hart drilled the first successful well that produced natural gass.
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Petroleum was discovered by an ordinary man, When he drilled his homemade rig 70 feet deep, he came out coated with oil. This event took place in northern Pennsylvannia.
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People began to use hydropower for electricity. The first hydropower plants were being built and used
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Charles Fritts built the first successful solar cell in the United States. However, the efficiency rate was low, between 1% and 2%.
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The first large windmill is used to generate electricity in Ohio.
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In 1905, Albert Einstein wrote the theory of relativity. His theory unified mass, energy, magnetism, electricity, and light.
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In 1960, the first successful geothermal electric power station was built in the United States at The Geysers in California.
