If you are thinking of an energy source that is powerful enough to supply energy for a long period, then the sun is the most powerful of all energy sources. It is so powerful its rays can radiate between 900 – 1,200kWh per square meter. It is the best source of renewable energy because it never dies out. Unlike other sources of energy, like fossil fuels, which contribute to air pollution, solar energy is clean and does not contaminate the earth. Let’s preserve our home planet by learning to use clean and renewable energy sources that do not harm our environment.
With solar power, light energy from the sun is harvested to produce electricity using photo-voltaic (PV) panels. Light energy is converted to produce a direct current of 12 volts, which passes through a solar inverter system with an output of 240 volts. This is enough power to partially supply the electricity needs of a building. On average, a PV panel is capable of generating from 1.5 to 2kWp. The power output from a PV panel can partially supply the needs of a household. Solar panels can supply a greater output of electricity during summer months since the supply of sunlight is more abundant in those months.
There are three types of panels: Mono-crystalline, poly-crystalline, and thin-film amorphous silicon panels. There are different ways in which these systems harvest energy from the sun. Of the three types, mono-crystalline is the most efficient in harvesting energy at 15% of its potential, while silicon is the least efficient harvesting only 7%.
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Before installing solar panels, it is important to consult with the local authorities for permission. It might be better to hire the services of an experienced solar power systems supplier to intall the system for you, to avoid trouble later on. Properly installed solar panels will last more than 20 years with only an occasional cleaning.
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Solar systems have not yet gained too much popularity because at the moment, they are not profitable for business use in generating electricity. Excess electricity generated by solar power systems in India are not often sold.
Another way to access renewable energy is by using solar water heating panels. The heat energy of the sun is harvested and is used to generate hot water. This provides hot water for the home or the office.
Your solar panel supplier may offer you two types of solar systems: Flat plates and evacuated tubes. Evacuated tubes are more efficient than flat plates, and are more expensive. Both systems deliver hot water by pumping heated water through heat exchanges connected to hot water tanks. In comparison, evacuated tubes last 10 years longer than flat plates. Whatever your household or office needs are, your solar panel supplier should be able to tell you.