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Coal became the principal fuel used by steam-powered trains
in the 1800s -
Thomas Edison invented an incandescent light bulb
that could be used for about 40 hours without burning out -
The first practical coal-fired electric generating station
developed by Thomas Edison, went into operation in New York City to supply electricity for household lights -
W. Carrier invented electric air conditioning
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Boulder Dam began operating on the Colorado River
The hydropower plant produced up to 130,000 kilowatts of electricity. -
The first wind turbine rated over 1 megawatt (MOD-1), began operating
MOD-1 had a 2-megawatt capacity rating -
For the first time, nuclear energy generated more electricity than oil in the United States
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Home Depot began selling residential solar power systems in three stores in San Diego, California
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Congress passed the Energy Policy Act of 2005
promoting the use of coal through clean coal technologies -
The United States ranked among the Top 4 countries in the world for hydroelectric generation
along with China, Canada, and Brazil. These countries generated 44% of the world's electricity from hydropower
