Do Solar Panels Work at Night

Do Solar Panels Work at Night

Do Solar Panels Work at Night

Mankind need some alternate source of energy as it is expected that the non renewable sources of energy that we are using will be exhausted soon. Solar energy is the best possible alternative of renewable source of energy and also cost efficient.

Solar energy is produced by harnessing light of sun that is the major component of solar power generation. Most of the people wonder how can solar energy produce electricity during night? Actually solar panels capture sunlight and then convert this light to electrical energy that is then stored and distributed. These solar panels are designed in such a way that they absorb heat that is radiated from sun. It is best to have your solar panels directed towards south in order to get maximum and direct sunlight. Solar panels need direct sunlight because if they will not get direct sunlight then the output will basically decrease.

Solar panels are basically made of a number of photovoltaic cells that are also known as solar cells. The material that is used for making solar cells is silicon, which is a semiconductor.

After getting charged electrons keep on moving at a fast rate due to which electric current is produced. When this electric current comes in contact with electrical contacts on solar cells, it is turned into voltage. The DC direct current is transferred through the inventor or is stored in the battery.

Many times we need electricity both during day time as well as night time. Some people use solar panel for lightening up their houses but it can be a tedious task. The efficiency of solar panels basically decreases considerably during winter or night. In such cases less amount of sunlight is reached to the solar panels. In these cases, solar energy conservation work amazingly for you. You can simply tackle this problem by using battery bank or utility grid. You can simultaneously use utility grid with solar power that would easily power your place during a cloudy winter day or at night. Battery bank is used for conversion of solar energy to electricity during the whole day and then storing it later on. The best example of using solar power at night is the streetlights. The solar panels that are located at these street lights conserve solar energy during the whole day and this energy is then used for lightening the lamps whole night.

There are some conventional solar panels that are only 40% efficient, they can only convert 40% of total solar energy into electricity that can be later used. Recently there are new variants of solar panels that have introduced 80% efficiency and these solar panels are designed to work even after the sunlight. Solar energy in this technology is harnessed while using nanoantennas. The infrared energy of sun is absorbed by earth and released after sunset. These new solar panels are designed to absorb direct energy from sun during day and infrared energy that is released by earth during night.

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