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If sunlight is free why is electrical energy from solar cells expensive?
Because the technology for Solar cell power is expensive
Are solar cells more expensive than solar panels?
NEVER! Panels are made up of two dimensional arrays of cells. A finished assembly can not logically cost LESS than any of its component pieces. Therefore the question about cells being more expensive can be emphatically and truthfully answered NEVER!
If sunlight is free why is generating electrical energy from solar cells expensive?
The cost is in manufacturing the solar cells. It takes people, materials such as pure silicon and expensive machines to manufacture the solar cells. As researchers find cheaper materials and more efficient ways to make the cells, and the manufacturing volume goes up, solar cells will become cheaper.
Which is efficient amorphous or crystalline solar cell?
As of 2007,* commercial amorphous Si solar cells convert about 8% of the solar energy that strikes them into electrical energy.* multicrystalline Si solar cells convert around 16% of the solar energy that strikes them into electrical energy* commercial single crystal Si solar cells convert about 22% of the solar energy that strikes them into electrical energy.So single crystal Si solar cells have the highest energy conversion efficiency.However, amorphous Si solar cells require less energy to produce and are less expensive than multicrystalline Si solar cells, which in turn require less energy to produce and are less expensive than single crystal Si solar cells.In some cases amorphous Si solar cells are more economically efficient (produce more power for the same initial price or initial investment in energy to produce).
What is one disadvantage of solar cells?
One disadvantage of solar cells is that they can be expensive to install initially, although the cost has been decreasing over the years. Additionally, solar cell efficiency can be affected by external factors like weather conditions and shading.
Why did India will not use the solar energy?
Because solar panels/ cells which collect the solar energy are expensive also they are very unreliable when the sun is not out. .Payback time is expensive .time consuming .It does not produce that much power which we need. . it does not produce energy in night. . The amount of energy obtained changes depending on the climate.
where can you buy solar cells?
where can you buy solar cells
What material is most commonly used to make photovaliac solar cell?
The most commonly used material for making photovoltaic solar cells is silicon. Silicon solar cells come in two main types: monocrystalline and polycrystalline, with monocrystalline typically being more efficient but also more expensive.
How are solar cells used in homes?
how are solar cells used in homes
How can electricity be derived from solar cells?
Solar cells have stored solar energy that is converted into electrical energy.
Why is solar energy expensive?
Solar energy is so expensive because it is a relatively new concept for energy. The technology involved with bringing that energy to consumers is expensive.
How many cells are in one solar panel?
One solar panel typically consists of multiple solar cells. The number of cells in a solar panel can vary depending on the size and type of panel. A standard residential solar panel may contain 60-72 individual solar cells.
