Energy use in the U.S.

  • Steam Engine

    Steam Engine
    Thomas Savery was an English military engineer and inventor who in 1698, patented the first crude steam engine
  • Electricity

    Ben Franklin tied a key onto a kite during a storm and proved that static electricity and lightning were the same. His correct understanding of the nature of electricity paved the way for the future.
  • Electric battery

    Electric battery
    First electric battery was invented by Alessandro Volta. The “volt” is named in his honor.
  • Telegraph

    a crude telegraph was invented in Bavaria by Samuel Soemmering.
  • Fuel Cell

    Fuel Cell
    the first fuel cell was conceived by Sir William Robert Grove, a Welsh judge, inventor and physicist. He mixed hydrogen and oxygen in the presence of an electrolyte, and produced electricity and water.
  • Solar energy

    Solar energy
    Auguste Mouchout created a steam engine that was powered only by solar energy
  • Lightbulb

    Thomas Edison invented an incandescent light bulb that could glow for over 1500 hours.
  • Wind powered turbine

    Wind powered turbine
    Charles F. Brush designed and erected the world's first wind-powered electric generator in Cleveland, Ohio.
  • Photoelectric cell

    Photoelectric cell
    The first devices to make practical use of the photoelectric
    effect, photoelectric cells were of decisive importance in
    the electron theory of metals.
  • Hydroeletric

    First hydroelectric plant built specifically for peaking power was in 1922.