Evolution of Solar Energy

By hrackley
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  • Alexandre Becquerel

    Alexandre Becquerel
    observes the photovoltaic effect in a conductive solution exposed to light.

  • Aleksandr Stoletov

    Aleksandr Stoletov
    creates the first solar cell.

  • Melvin Severy

    Melvin Severy
    recieves patent US527377 "solar cell" and US527379 "solar cell".

  • Albert Einstein

    Albert Einstein
    publishes a paper on the photoelectric effect.

  • Hoffman Electrics

    Hoffman Electrics
    creates a 10% effecient solar cell and introduces the use of a grid contact.

  • Soyuz 7

    Soyuz 7
    is the first manned spacecraft powered by solar cells.

  • Skylab is powered by solar cells.

    Skylab is powered by solar cells.
    is powered by solar cells.

  • President Jimmy Carter

    President Jimmy Carter
    installs solar panels on the White House and promotes incentives for solar.

  • Worldwide

    Worldwide
    photovoltaic prodution exceeds 21.3 megawatts.

  • George H.W. Bush

    George H.W. Bush
    directs the U.S. department of energy to establish the National Renewable Energy Laboratory.

  • Photovoltaic Power

    Photovoltaic Power
    The total worldwide installed photovoltaic power worldwide is 1000 megawatts.

  • California Governor

    California Governor
    Arnold Schwarzenegger proposed the Solar Roofs Initiative that would provide one million solar roofs by 2017.

  • President Barack Obama

    President Barack Obama
    orders installation of solar panels in the White House.