Solar PV Systems King of the Energy Efficiency Hill

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In one fell swoop you can completely offset your electric utility bill and generate zero pollution. Millions of photovoltaic (PV) systems are being installed all over the world, and the costs are decreasing due to economies of scale. But PV systems are not for everybody because they require a considerable upfront investment.

There are two basic types of systems: intertie, which work in conjunction with the utility grid, and stand-alone, which require batteries and other special support hardware. Here, I focus on the intertie systems because they comprise the vast majority of installations.

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Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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