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On average, the installation of a solar system costs around $11,000 to $15,000

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As heat for making hot water, heating buildings, and cooking.

To generate electricity with solar cells or heat engines

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1. High initial costs for material and installation and long ROI

2. Needs lots of space

3. No solar power at night so there is a need for a large battery bank

4. Some people think they are ugly

5. Devices that run on DC power directly are more expensive

6. Depending on geographical location the size of the solar panels vary for the same power generation

7. Cloudy days do not produce much energy

8. Solar panels are not being massed produced due to lack of material and technology to lower the cost enough to be more affordable

9. Lower production in the winter months

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1. Solar Power is pollution free and causes no greenhouse gases to be emitted after installation

2. Reduced dependence on foreign oil and fossil fuels

3. Renewable clean power that is available every day of the year, even cloudy days produce some power

4. Return on investment unlike paying for utility bills

5. Virtually no maintenance as solar panels last over 30 years

6. Creates jobs by employing solar panel manufacturers, solar installers, etc. and in turn helps the economy

7. Excess power can be sold back to the power company if grid intertied

8. Ability to live grid free if all power generated provides enough for the home / building

9. Can be installed virtually anywhere; in a field to on a building

10. Use batteries to store extra power for use at night

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A solar panel works by allowing photons, or particles of light, to knock electrons free from atoms, generating a flow of electricity.

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How do solar panels work? - Richard Komp