A home solar panel is one of the most popular ways of generating your own electricity or heated water. It's eco-friendly, requires little to no upkeep once it's in place, and won't take long to earn back its cost. The technology just keeps getting more and more efficient, while simultaneously getting less expensive.
Back in the late 1970's there was a big boom in solar technology, though much more short lived than the one being experienced now. Government subsidies and the initial "wow" factor of the science behind solar panels led a lot of people to invest, only to have the subsidies and tax credits canceled in the 1980's.
Now that global warming has become a consistent, insistent presence in everyday discourse, the new tax credits and subsidies should last much longer. They might even become permanently implemented. What this means for the potential purchaser of solar panels is a reduced initial investment.
For most of these customers, their primary interest in buying solar panels is to generate electricity (rather than simply heat water), which means that the type of technology to look for is called "photovoltaic" (or PV) solar cells. These are available in prebuilt panels or do it yourself kits. The latter is significantly cheaper, but the former will probably be more of the cutting edge stuff and will be the most efficient.
Even though PV solar cells have been getting more and more efficient, the average setup works at about twelve percent efficiency, while some of the top systems cap out at about seventeen percent. Keep in mind that because of these efficiencies, a solar electricity system is going to take a number of years to earn back its initial cost, even though you'll save money on the electricity bill right away.
A new photovoltaic panel installed on or around the home will also diminish the amount of carbon your household is responsible for, and these benefits start right away. The carbon and energy used to produce them will also be saved in a much shorter time than the monetary cost. It's possible to start working down your carbon output right away with solar PV panel.
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