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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.

In a warm climate it can provide enough power to run all the appliances including heat and air conditioning in the home. After initial installations solar energy is a free product supplied by the sun.

The advantage to the environment is that PV panels do not emit harmful gasses that are pollutants. One time installations will function for twenty years or more. The original outlay of money is justified by their longevity.

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.

Some installations of the photovoltaic panels are eligible for a government subsidy. It could be a tax credit or a cash rebate on the total cost. Since everyone likes to save money, this makes investing in this alternative power a very appealing choice.

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.

An Inverter must be added to the system when the homeowner wants to convert direct electricity to the alternating type. Both Inverters and batteries are needed to ensure a continuous supply. A homeowner may need extra coverage on the homeowners insurance.

When solar power, sunlight, reaches the Earth, only about 50 percent is absorbed. The amount that is reflected back into space is approximately 30 percent. Any amount of power from the sun is that much less that must be produced using fossil fuels.

Each 10 kw solar panel will generate 17,000 kwh every year. That will save the planet from 11.7 metric tons of carbon dioxide being emitted into the air. It is the equivalent of the emissions of 2.3 cars in a year.

There are other comparisons to help clarify the issue of how much the environment benefits by using solar energy. The 17,000 kw are the equivalent of CO2 emissions that would be released by using fossil fuel to produce the same effect. It is equal to an amount that would result if 27.7 barrels of oil were burned.

Energy from the sun can be stored as thermal energy to heat hot water for example. It can be used for cooling as in air conditioning and space heating. It can function to heat under-floor heating elements.

Saving the environment and specifically the air quality is going to benefit future generations. Fossil fuels will be conserved and will not pollute the air. The future of your children and grandchildren will be better thanks to this burgeoning technology that uses solar power.




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