benedictemangala_Energy Timeline By 9217541 Jan 1, 1748 The refrigerator was developed Jul 1, 1748 Commercial Production of Coal Begins Jun 29, 1800 First Battery built May 1, 1816 Streetlights in Baltimore, Maryland Jan 1, 1823 First Lighter Jun 28, 1852 Heat Pump invention by Lord Kevin Sep 30, 1882 World's First Hydroelectric Power Jan 1, 1888 First Gas Station Jun 18, 1911 First Geothermal Power plant May 28, 2010 Zero-Energy Bio Refrigerator
