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Thursday, May 13, 2010

When Do You Need To Use The Solar Power System?

It is important to work out at what times of year you will most be using your home solar power systems. For instance, if you are planning to use your system full time during the depths of winter, your solar power system needs to be able to generate electricity even during the dull days of winter.

A holiday home is often in regular use during the spring, summer and autumn, but quite often left empty for periods of time during the winter.

This means that during winter, we don’t need our solar power system to provide enough electricity for full occupancy – just so long as the batteries are large enough to provide enough electricity for the occasional long weekend, with the solar array recharging the batteries again once the home is vacated.

We could also decide that if additional electricity in winter was required we could have a small standby generator on hand to give the batteries a boost charge.

For the purposes of our holiday home, our system must provide enough electricity for full occupancy from March through October and occasional weekend use from November until February.

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Monday, May 10, 2010

Checking for Obstacles When Installing Your Home Solar Power Systems

Go to the position where you are planning to put your home solar power systems and find due south with a compass. Looking from the same height as your proposed location, and working from east to west, you need to check that there are no obstacles, such as trees or buildings that can obscure the sun at its lowest winter height.

To do this, you will need to find out what position the sun rises and sets at different times of the year. Thankfully, this is easy to find out.

The easiest way to identify potential obstructions is to use a protractor and tape a pencil to the centre of the protractor where all the lines meet, in such a way that the other end of the pencil can be moved across the protractor, as shown below:

You can use this protractor to check the field of view, using the pencil as an ‘aimer’ to show the angle of the sun in the sky based on different times of the year.

Be very careful not to look directly at the sun, even for a few moments, whilst you are carrying out this survey. Even in the middle of winter ‘retina burn’ can cause permanent damage to your eyesight. Your survey needs to ensure there are no obstacles in the depths of winter when the sun is only a few degrees up in the sky.

In the case of London, on the 21st December the sun will be only 15 half deg high at midday (at due south) and lower than that for the rest of the day.

If there are obstacles that are blocking visibility of the sun, you need to try and find another location, or find other ways around the obstacle – such as mounting the solar array higher up on a frame.

Of course, if you don’t need your solar power system to produce much power during the winter months this may not be a problem for you. However, you should always make sure that there are no obstacles that can shade your system for the times of year you need your DIY solar panels to work.

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Friday, May 7, 2010

Save the earth Using Solar Power

With Solar power systems being in the news these days because of the going green mentality. There is ongoing debate about dependence on foreign oil. It is easy to use solar energy to power our homes and we are all aiming towards doing so.

Using solar energy is a simple idea. By building home solar power systems for your house to power your TV, coffee maker, microwave oven, and even the lights in your home, you could cut down on your power bills.

Since the sun produces all the energy needed for everyone and everything in the world to survive, it is thus logical to use the sun as a source of energy for your household needs.

DIY solar panels collect sun rays that heat copper tubing which produces electrical energy that is converted into electrical current and channeled through twelve volt batteries and condensers which then provide power.

This system not only saves money on your electric bill, if you know where you can find all the necessary items or parts and can find a reasonable deal, then building solar panels should not cost you more than $100. This type of ingenuity is what drives new ideas and new inventions.

Solar power had initially been a novel idea, a creative means for university students to research a class project. But now using solar energy is in the news as the effects it has on our environment is positive.

Whatever your opinion about environmental issues like global warming you have to agree that burning oil and coal and sending smoke up into the air is just not good for the air we all breathe. Now is the time we all give solar power a serious look. We need to put this technology that will, at least in part, make this a cleaner world to live into use.

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Wednesday, May 5, 2010

The 5 Top Benefits of Using Solar Power

Most people who are going to power their homes using home solar power systems realize it is good for the environment and is also a sound financial option compared to other investments. For one thing before undertaking such an investment you or I want to know in detail is what their greener power system will produce. For instance, by installing the right solar power system for your needs can make the difference between a good and a bad investment.

Let's take a look at The Top 5 Benefits of Converting Your Home To Solar Power.

Reduced electricity bills:

One of the biggest advantages of building solar panels is that you will reduce your electricity bills. It is very easy to work out how much power your solar system will produce and consequently your reduced dependency on fossil fuels.

Simplicity:

Although some people think a solar power system is high-tech. The reality is they are quite simple. There are no moving parts. The sun shines on your panels, a reaction takes place within the panels and electricity is produced, controlled and flows into your house hold system (simplistic version I know!). Because of this there is very little maintenance to undertake and in turn this means systems can last for up to 25 years.

Rebates:

Our Government has a strong interest in promoting solar power because of its overriding positive environmental impact as well as the sought-after political goal of energy independence. The best way to promote solar power is to get more people to invest in it and the best way to do this is to support financially and drive the costs down. Subsidies, rebates, and tax breaks are common and they are becoming more widespread every day. In some states, the total discount on a solar system can be as much as 50%

Hedging your bets:

Every investment requires you to predict the future. Do you think our future energy costs are going to rise? If you do, powering your home by solar will be a very wise decision. When you reduce your power bills down to practically zero, they will stay there in spite of of how much energy costs rise.

Knowing you've made a change:

There are many other benefits to converting to solar that are less easy to define. The first time you see your electric meter go backwards! That's the power company buying your excess energy. Ask anybody who has installed a diy solar panel and they will more than likely advise you that it is great! They are very happy they took the decision and will advise you to do the same.

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Monday, May 3, 2010

Facts On How a Solar Panel Works

Solar panels, which are also known as photovoltaic systems (PV), consist of a group of solar cells. These solar cells contain semi conductive material called crystalline silicon. This crystalline silicon absorbs the sun's light and stores it very efficiently to be used for electricity.

These home solar power systems are usually attached to the roofs of houses, which will make electricity to power the entire house. They will produce enough power to run all the appliances, electronic equipment, pools, hot water tanks, outside lighting, etc. Larger buildings like hospitals, schools, hotels, and businesses can also benefit from solar energy. Although it takes a lot more panels to power these larger buildings, it can still be done very easily by just attaching more panels to the building. You can also store enough solar energy to power up these huge buildings at night and when it is cloudy.

In no time at all, you could build your own solar panel, generating power that will be stored in deep cell batteries for future consumption and it costs just pennies on the dollar! There are diy solar panels available for you to take advantage of the energy generating kit at home. If you are careful and make sure that you get the right instructional manual and videos, they are so easy to understand that even a beginner with no experience at all will be able to do this.

These kits should also let you see the history of many excited customers mentioning positive reviews about all the money they have saved. Most of them who have built the devices can't believe how simple it was and they are eager to share their success. They have actually saved 100% of their electric power bill!

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Thursday, April 15, 2010

How To Operate Your Solar Power System The Right Way

For a solar power system to work well, we need the site survey to answer two questions:
  • Is there anywhere on the site that is suitable for positioning my solar array?
  • Do nearby obstacles such as trees and buildings shade out too much sunlight?
The first question might at first sound daft, but depending on your project it can make the difference between a solar power system being system being viable or not.

By answering the second question, you can identify how much of the available sunlight you will be able to capture. It is vitally important that this question is answered, as the number one reason for home solar power systems failing to reach expectations is due to obstacles blocking the sun, dramatically reducing the efficiency of the system.

To fully answer the second question, we need t be able to plot the position of the sun through the sky at different times of the year. During the winter, the sun is much lower in the sky than it is during the summer months, and it is important to ensure that direct sunlight is not blocked from the solar array during the winter time.

Are you ready to learn how to build a solar panel? Get started now and generate electricity for your home today!

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Saturday, April 10, 2010

Solar Electricity and The Environment

Solar power systems are low carbon electricity generators: the sunlight is free and the system maintenance is extremely low.

There is a carbon footprint associated with the manufacture of solar panels, and in the past this footprint has been quite high – mainly due to the relatively small volumes of panels being manufactured and chemicals required for the ‘doping’ of the silicon in the panels.

Thanks to improved manufacturing techniques and the higher volumes of panels now being produced, the carbon footprint of solar panels is now significantly reduced. Most manufacturers claim the carbon footprint of new solar panels can be recouped through the power generation from the panels within 2-5 years.

Therefore, it is true to say that solar power system that runs as a complete stand alone system can reduce our carbon footprint.

Grid tied solar systems are slightly different in their environmental benefit and their environmental payback varies quite dramatically from region to region, depending on a number of factors:
  • How electricity is generated by the utilities in your area (coal, gas,
  • Whether or not your electricity generation coincides with the peak electricity demand in your area (such as air conditioning usage in hot climates, or high electrical usage by heavy industry in your area)
It is therefore much more difficult to put an accurate environmental perspective, you should try to achieve the following:

Use the power you generate yourself as it is being generated – especially for high load applications such as clothes washing
  • Minimise your power consumption from the national utility grid during peak times (typically during the evening in cooler climates and during the early to mid afternoon in hotter climates).
In Conclusion
  • Solar electricity can be a great source of power where your power requirements are modest, there is no other source of electricity easily available and you have a good amount of sunshine available.
  • Solar electricity is not the same as solar heating.
  • Solar electricity absorbs photons from sunlight to generate electricity. Electricity can still be generated on cloudy days and on bright moonlit nights.
  • Solar electricity is unlikely to generate enough electricity to power the average family home, unless major economies in the household power requirements are made first.
  • Larger solar electric systems have a comparatively high capital cost, but the ongoing maintenance costs are very low.
  • Smaller solar electric system can actually be extremely cost effective to buy and install, even when compared to mains electricity.
  • Solar electricity can be much cheaper than connecting a remote building to mains electricity.
Learn how to build your very own home solar power systems at the comfort of home today!

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