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Coal could be used more efficiently than other energies like using it for the steam engine or smelting iron. http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=first+power+plant+in+new+york&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiI0c64jt_UAhVIWD4KHUj-DAgQ_AUIDCgD&biw=1375&bih=604#safe=active&tbm=isch&q=coal+burning&imgrc=BlMTF0CaijXe6M:
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used to pump water out of the mines http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015
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Used solar power to produce steam to drive machinery http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015
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First electric plant built by Thomas Edison was built in New York which power a square mile area. http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=first+power+plant+in+new+york&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiI0c64jt_UAhVIWD4KHUj-DAgQ_AUIDCgD&biw=1375&bih=604#imgrc=IirCWeSeZwli5M:
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World's first geothermal power plant was built in California, but the materials they used couldn't withstand the environment there and it couldn't compete with lower cost energies. https://www.google.com/search?q=first+commercially+sold+wind+turbine&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjVtcjsi9_UAhVMHD4KHZWCBJwQ_AUIBigB&biw=1375&bih=604#safe=active&tbm=isch&q=first+geothermal+power+plant+in+california&imgrc=IQYdnlaZV0E8QM:
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Marcellus and Joe Jacobs develop the first commercially available wind turbine for electricity generation and the turbines were sold to remote farms mainly.
http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=first+commercially+sold+wind+turbine&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjVtcjsi9_UAhVMHD4KHZWCBJwQ_AUIBigB&biw=1375&bih=604#safe=active&tbm=isch&q=first+commercially+sold+wind+turbine+1927 -
World's largest hydro-electric power plant and is located on the Colorado river. http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=nuclear+chain+reaction&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjk_sGOht_UAhWIcz4KHZVRADcQ_AUICigB&biw=1375&bih=604#safe=active&tbm=isch&q=Hoover+dam&imgrc=z4hZsnzLk9V4JM:
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Fermi was a scientist who first discovered the nuclear chain reaction http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=nuclear+chain+reaction&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjk_sGOht_UAhWIcz4KHZVRADcQ_AUICigB&biw=1375&bih=604#safe=active&tbm=isch&q=first+nuclear+chain+reaction&imgrc=k4Br34OQHqRkaM:
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First nuclear power plant produces electricity in Idaho http://alternativeenergy.procon.org/view.timeline.php?timelineID=000015 https://www.google.com/search?q=nuclear+chain+reaction&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjk_sGOht_UAhWIcz4KHZVRADcQ_AUICigB&biw=1375&bih=604#safe=active&tbm=isch&q=first+nuclear+power+plant+in+idaho
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First commercial nuclear power plant goes online in Pennsylvania. The first large scale nuclear power plant in the world and went online exactly 15 years after the first nuclear chain reaction was found. https://www.google.com/search?q=nuclear+chain+reaction&safe=active&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjk_sGOht_UAhWIcz4KHZVRADcQ_AUICigB&biw=1375&bih=604#safe=active&tbm=isch&q=first+commercial+nuclear+power+plant+in+shippingport+PA&imgrc=w1pY4rQGEGI-3M: