I’ve written this simple blog post to explain solar power how it works for homes. I have long had an interest in alternative and renewable power source. Living in a country where we have 7 out of 7 days of sun light every year, solar power seems like a practical solution.

In actual fact, solar energy is free and abundant and last nearly forever…well until the sun burns out in a couple billion years.

To understand how solar power works for residential homes, we must first understand the basic science. Solar technology works when sun light hits a solar cell. This solar cell is also commonly known a Photovoltaic (PV) which is a semi-conductive material.

When PV is exposed to sunlight, the electrons go from one side of the cell to the other through a more circuitous and indirect rote than they have to in the shade.

Imagine, the electrons are little people trying to get from front to back of the cell, but they can’t because the middle layer changes when sunlight hits it. If you give them a route through a wire to go from the front to the back, they will charge happily through the wire.

If along the way they go through a motor or a battery, you can get some useful work out of them. It’s all that simple. Just make the electrons’ route do something for you, and you have entered the realm of solar-electric technology.

All photovoltaic solar panels work on this basic principle. They may have dozens of little silicon-based cells in them, or a thin sheet of material stretched across them. Individual silicon-based cells typically only produce about 1/2 Volt of electricity.

To generate enough electricity to power the electrical appliances in a home, you need a bunch of them.

When the solar cells are in the shade, they are not as efficient as compared when they are under direct sun light. Therefore, you probably need a few extra cells to produce their full 1/2 volt if some are shaded. The same also applies when the sun isn’t perpendicular to the panel, or if it’s an overcast day.

Most of the time, we will not be using the power generated from solar panels immediately. For the renewable energy system to be practical, the electricity has to be stored in a battery bank. I will write about that in another blog post.

Home Solar And Wind Power Videos

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Related web sites:
1) Earth 4 Energy E-book Review – A review on the top selling renewable energy guide form Clickbank.

2) Power 4 Home Review – A Complete Review of John Russel Power4Home

3) Power 4 Home Scam – Is Power4Home Just Another Scam?

4) A Different Kind of Solar Power

5) Good candidate for solar power? L.A. County map shows hot spots