Energy use in the US

  • Train!!!!!!!!!!!!

    Called the Tom Thumb, this was an early model of a Steam Locomotive.
  • Electric relay

    Electric relay
    Joseph Henry invented the electrical relay, used to send electrical currents long distances.
  • Electric Motor

    Electric Motor
    Thomas Davenport invented the electric motor, an invention that is used in most electrical appliances today.
  • Electric telegraph

    Electric telegraph
    Samuel Morse invented the electric telegraph, a machine that could send messages long distances across wire
  • Electro-Heater

    George B. Simpson. is awarded US patent #25532 for an 'electro-heater' surface heated by an platinum-wire coil powered by batteries
  • First hydroelectric plant

    First hydroelectric plant
    the world’s first hydroelectric power plant, the Vulcan Street Plant, began operation in Wisconsin, producing enough energy to supply three buildings
  • Air Conditioning

    Air Conditioning
    In 1902, the first modern electrical air conditioning unit was invented by Willis Haviland Carrier in Buffalo, New York.
  • Transistor

    1947 Transistor invented by scientists at Bell Telephone Laboratiories
  • Duke Energy

    Duke Energy
    On Jan. 3, 2007, Duke Energy spun off its gas business to form Spectra Energy.
  • Solar Energy

    Solar Energy
    The largest solar energy event in the U.S. took place