Solar Energy Advantages disadvantages

Advantages and disadvantages of using solar energy for heating and warm water.

Advantages.

* The supply of energy for active or passive systems that collect solar energy to heat at low temperature in buildings is free and is available in a natural way on sunny days.

* The net useful energy output is moderate (active systems) to high (passive systems).

* The technology is well developed and can be installed quickly.

* There is no emission of carbon dioxide to the atmosphere and the environmental impacts of pollution of air and water are low.

Disadvantages.

* The initial costs discourage buyers.

* Owners of active and passive solar systems need regulations that prevent construction of other structures that block access for a user to solar heat or impact.

Advantages and disadvantages of photovoltaic solar energy

Benefits

* The solar cells are reliable and quiet, have no moving parts and lasts 30 years or more if they were covered with glass or plastic.

* Can be installed quickly and easily, require little maintenance.

* Do not produce carbon dioxide.

* The net useful energy output is high

Disadvantages

* The current costs of photovoltaic cells are high, but is expected to be competitive at about 7 to 15 years.

* There may be potential limitations on their use due to an insufficient number of gallium and cadmium.

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