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A Brief History of Residential Solar


Alternative sources of energy have been around for centuries, and ways of harnessing solar energy has changed dramatically over the years.

In today’s energy market, solar has become the one alternative source with increasingly important applications for both residential and commercial consumers.

Solar has also become more accessible than ever, and in almost 180 years of development, it finally holds the promise of a renewable energy source for a sustainable future.

But where did it all start?

Early Development Of Solar Power

The harnessing of solar power through the use of photovoltaic cells has been in existence in various forms throughout the last two centuries, 1870s to the mid-1900’s.

Early systems varied widely in their effectiveness. They were largely considered to be conceptual experiments rather than something which actually produced usable results.

As time went on, new materials and chemical compositions were discovered which greatly improved the efficiency of photovoltaic technology.

By the 1950s, the U.S. Government and several private corporations had noticed the potential of solar power and began to develop more efficient and cost-effective solar cells.

Despite these improvements, it would still be several more decades before the general public began to adopt residential solar technology.

Key Events In Solar’s History

Here follow’s a short timeline of the key events which brought solar into our home’s today:

  • 1839 – Edmond Becquerel, a French physicist, is credited with the first discovery of the photovoltaic effect.
  • 1873 – Willoughby Smith discovered that an element known as selenium could convert sunlight into electricity. However, the conversion efficiency was too small to be usable by electrical equipment.
  • 1888 – Edward Weston receives the first US patent for US389124, “Solar cell,” and US389125, “Solar cell.”
  • 1901 – Nikola Tesla receives U.S. patent for the “method of utilizing, and apparatus for the utilization of, radiant energy”
  • 1905 – Albert Einstein publishes a paper explaining the photoelectric effect on a quantum basis.
  • 1947 – Photovoltaic cells were developed for use in space.
  • 1954 – David Chapin, Calvin Fuller and Gerald Pearson of Bell Labs creates the first device which converts sunlight into electrical power.
  • 1955 – The world’s first solar-powered car, the 15 inch “Sunmobile” goes on show.

70s – 90s: Beginnings of the Green Energy Movement

In the 1970’s the Exxon Corporation developed a significantly less costly solar cell which reduced the price from $100 to $20 per watt. This was achieved by using a poorer grade of silicon and packaging the cells with cheaper materials.

Though still too expensive for residential use, solar power was finally recognized as a viable commercial alternative for the first time.

During the same era solar power’s potential finally reached the attention of the mainstream public due of two major oil crises that occurred.

In 1973, members of the Organization of Arab Petroleum Exporting Countries (OAPEC) declared an oil embargo. In 1979 a second crisis occurred in the U.S. due to decreased oil output in the wake of the Iranian Revolution.

In addition to dramatically raised energy prices, a growing concern for the environmental impact caused by fossil fuels began to take hold of the public.

Slowly but surely, the “flower child generation” began to embrace ecological awareness. This sparked a green movement towards renewable energy.

Other Key Events

In 1982, an Australian-made, British Petroleum (BP) sponsored car, performed the first manned transcontinental journey using solar power exclusively. The success of the Quiet Achiever’s journey gained worldwide recognition, and it was the precursor to the Bridgestone World Solar Challenge, the world’s premier solar-powered car race.

In the same year, Kyocera Corp became the first manufacturer in the world to mass-produce polysilicon solar cells by using the casting method.

This method is still the standard for today’s industry.

Modern Solar Power

The 21st century sees the depletion of the planet’s fossil fuel reserves. This carries the added burden of increased demand which leads to the never ending rise in electricity costs.

The impact of modern development on the environment is no longer a secret, and it is this awareness which has fueled research to focus on new materials and innovative designs.

In time, modern solar systems will undoubtedly offer future generations a permanent energy solution.

 

Costs Reported Nationwide:

Solar Installation


Minimum Cost - $ 10,500
Average Cost - $ 19,555
Maximum Cost - $ 30,000

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Johnny K
Solar Energy Expert
Member since 2015
 
 
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