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samedi 6 juin 2015

Our Suns Energy Can Be Used More Often

By Parker Kenny


There has been an upsurge of interest in alternative power sources in the last decade. It is no longer out of reach of the average homeowner. A roof full of photovoltaic panels in a moderate to hot climate can provide all the power needed in the home, with some left over. Solar energy is free to use after the initial investment.



The energy generated by photovoltaic panels functions the same as that generated by oil, for example. Each installation remains functional for twenty five years on average. The initial investment pays off over time.

The cost is being reduced and will continue to go down. Therefore solar energy boston ma and other locations has a sunny future. The photovoltaic panels produce electricity in a direct way. The maintenance costs are low.

Wind power is also free. However, it is sometimes noisy. Solar energy is quiet and suitable for crowded city neighborhoods where the homes are close together. It never wakes anyone up during the night as windmills can do.

The installation of solar photovoltaic panels on a home may be eligible for a subsidy. This may come in the form of a cash rebate or a tax credit. This makes investing in this alternate power source system even more attractive. Everyone wants to save money.

In boston solar energy can be collected on panels installed on the roof or on the ground. They are easy to install. Plus, they do not have any moving parts.

The only problem that can occur with electricity from the sun is a cloudy day. On that kind of day the home will have to be powered by another source. The homeowner will want to be connected to a grid. That way the home will always have sufficient electrical power.

Inverters are needed if you want to be prepared to use both sun power and power from a grid. For a continuous supply you must also have storage batteries. There may be a need for additional homeowners insurance.

When the rays of the sun reach the surface of the Earth, the Earth absorbs about fifty percent. About thirty percent is going to be reflected back into the atmosphere. Each time the sun takes the place of fossil fuels, it is beneficial to the planet.

One 10 kw solar panel installation may generate up to 17,000 kwh each year. Thus, the emission of 11.7 metric tons of carbon dioxide into the air is avoided. This amount is equal to the emissions of 2.3 cars annually.

Other comparisons are helpful in gaining an understanding of how power from the sun is good for the planet. For example, the 17,000 kw are equal to CO2 emissions from the power used for a household in a year. It is also the equivalent of the CO2 resulting from burning 27.3 barrels of oil.

The rays of the sun can also be stored and used as thermal energy. For example, it can be used in some heating systems. One of them is the under-floor heating elements. Another is for air conditioning systems.

Children can appreciate the need to conserve fossil fuels and replace them with power of the sun. It is their future and that of their children who will benefit the most. Photovoltaic, PV, storage units are a burgeoning technology.




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