The Development of Energy

  • Steam Engine

    Steam Engine
    Coal was used to power the modern-day steam engine created by James Watt.
  • Hyrdropower

    Hydropower began to be used as electricity to power arc and incandescent lighting.
  • Solar Energy

    Solar Energy
    Charles Fritts created the first solar cell.
  • Oil (Petroleum)

    Oil (Petroleum)
    As the use of automobiles became more common, oil production increased to power the cars.
  • Nuclear Power

    Nuclear Power
    Wilhelm Roentgen discovered X-rays.
  • Geothermal Power

    Geothermal Power
    The first dry steam geothermal power plant was built in Tuscany, Italy.
  • Electric Air Conditioning

    Electric Air Conditioning
    Produced by W. Carrier in the U.S.
  • Natural Gas Safety

    Natural Gas Safety
    Mercaptan began to be added to natural gas, giving it a rotten egg smell, so that leaks could be easily detected.
  • Energy succession

    Energy succession
    Ethanol and natural gas had replaced most wood heat in homes and buildings.
  • Energy Policy Act

    Energy Policy Act
    Promoted the use of wind and other alternative energy sources.