Photovoltaic technology

By N. Olison – PV Power Contributor – November 2, 2009

Article Highlights

Photovoltaic (PV) technology converts sunlight to usable energy for electronic appliances

PV technology has been integrated into a multitude of fields

PV technology is becoming a booming business.

Photovoltaic technology is a relatively young field with great potential. This technology enables people to convert sunlight into electrical power, giving almost endless applications. The photovoltaic (PV) technology of today is centered around solar panels and the PV systems that use them. The second generation of PV cells has recently hit the market allowing for even more applications. Thin film solar panels are more flexible than their older silicon counterparts and can be inserted into the building materials of a roof. This new phenomenon is called building integrated photovoltaics (BIPV). The need to find clean, renewable sources of energy has been one of the driving factors behind the recent rise in interest. As the technology becomes more efficient and less expensive, solar energy is becoming the most popular alternative form of energy for the home.

The first practical application of photovoltaic technology was in outer space. Since then, it has been used to power everything from calculators to households. Photovoltaic technology is used to help power boats, cars, parking meters, RVs and construction lights to name a few. There always seems to be another use for PV technology because renewable energy is in such high demand.

Just as was the case with nuclear energy, PV power plants have been popping up all over the world. The two largest PV power plants in the world are Olmedilla Photovoltaic Park and Puertollano Photovoltaic Park, both of which are located in Spain. The largest PV plant in North America is the Nellis Solar Power Plant located in Nevada. At the end of 2008, we saw a 94% annual increase in PV installations. About 90% of those installations were grid-tied systems set up to power homes and businesses.

Photovoltaic technology can be seen powering more than just your calculator. Many communities are using solar panels to power street lights, parking meters, and a host of other public works devices. Solar panels are also becoming more popular as auxiliary power supplies for recreational vehicles and boats.

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