Solar Powered Charger - What are they and Why are they Useful?

By Dan Ashton

Depending on where you live, extreme weather conditions or just general unreliability of power supplies could mean that having a back up energy source is vital. Particularly when it comes to communication, a solar phone charger for examply could make the difference between calling for help or not.

Whether you are someone who likes to plan in advance, or just prefer to have something on standby, a solar powered charger could be beneficial. You could keep some rechargeable batteries charged and ready to go should you need to, or you could have your charger nearby so that you could start charging immediately.

Once the initial purchase of your solar panel, or solar charger is made, there should be no further cost. The electricity you recieve is then "free". It may take some time to recoup your initial investment, several months perhaps, but at least you know that your standard electricity charges should start to drop.

You can talk to the installation contractor about just setting up a power grid large enough for emergency use only. This will save you some money now, and later when you can afford it better, you can then finish installing the rest of the solar panels, because you will already have some of the installation already.

The scale that you decide to utilise solar power for your energy needs is entirely up to you. The incorporation of a wind turbine can assist your electricity generating, for example. Whether you can do this will depend on your locality and budget, but you can always start small and work your way up. However you do it, if you are looking at a large scale investment, then please remember to take the advice of a professional.

You should check the installation company to find out what mounting hardware, wiring, junction boxes, grounding equipment, and other equipment you will need in order to build your own solar charger. Often the company will have a discount available if you acquire them to build your system.

Once the system you want is installed, it has little maintenance other than checking the batteries once a month. And the system will provide emergency electricity for more than 20 years.

About the Author:

The benefits of using a solar powered charger can be massive. Our author has created a blog where you can discover more about using a solar panel charger.

Using Wind Power To Get Off The Grid

By David Sullivan

Today the catch phrase is going green. Everyone is interested in ways they can be kinder to the planet and still get their energy needs met. Wind power is a renewable energy source and a simple wind turbine will provide power for many years.

Generating electricity with the use of a wind turbine is a good alternative or supplement to solar power. If the sun isn't shining, the wind will likely be blowing. You can save money if you build the wind turbine yourself.

The whole family can help out. If you want to take it further, try to use recycled materials where it is feasible. You can get the parts you need at your local hardware store for less than a couple hundred dollars.

Blades can be made of wood, cardboard or PVC piping. The blades need to be the correct weight for the size of turbine you're making. The base can be made of a wooden or metal pole.

Before you begin, find a good manual that will explain how to build a solid structure. The manual should give you detailed building instructions in a format that is easy to follow. Step by step instructions are the easiest to follow. The manual should include a list of all the materials you'll need to build your wind turbine. Some manuals will offer you alternatives that you can use for building materials. The book should give suggestions on where you may find the needed materials, but you should be able to find most at your local hardware or home improvement store.

Building a wind turbine can be done with some basic knowledge and familiarity with simple power tools. It is a great way to make use of some open space around your home. A wind turbine can be constructed anywhere that the wind will blow. It is a great way to become an active participant in the green movement.

If you have an acre of land or two, you can even build more than one and send energy back to the grid. Your power company will pay for the energy you send to them.

Many people may be missing out on an important and easy to implement way to conserve energy. It is not difficult to do if you have a good set of instructions. You will be doing your part to conserve the environment while cutting the cost of your electricity.

About the Author:

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How Does Solar Energy Work

By Marty Johnson

With energy prices rising higher and higher with no end in sight, these days, the question of how does solar power work is firing up the curiosity of many money-conscious families and individuals. A major concern for people considering going solar is the cost of equipment and installation, but federal and state grants to help defer these costs are becoming increasingly available. Notwithstanding what may seem like a high installation cost, using solar power in the home is a great option for the long term and the ongoing savings will soon off-set the initial outlay.


In both residential and commercial applications the basic concept of how does solar power work is exactly the same with the only difference being the scale of the installation requirements. A factory or warehouse is obviously going to require a larger amount of energy hence a more complex and more expensive installation would need to be in place.

In its most basic application, solar panels are a set of solar cells with a semiconductor that produces electricity when sunlight hits it. There are also solar panels that are made to heat the air and water in the building. When the solar panels produce electricity, it is transferred to the system's controller-regulator to adjust the voltage/amperage to what your system uses, then transfers for current electricity needs or to the batteries to be stored for future use.

There are three major components to a solar power system. The first is the photovoltaic panels, also known as solar panels or PV panels. The second is the current regulator or controller, which controls the voltage/amperage of the electricity that the solar panels generate. The third component is the storage system. This is typically an array of batteries used to store any energy that is created by the system and not need during the day.


Solar panels can vary greatly in cost depending on the type of installation you are aiming for. If your building is in a more remote area and is industrial you can use the typical boxy style roof mounted panels. In a business or industrial application solar panels can be installed not only on the much larger roof space offered by an industrial structure but additional panel arrays can also be installed on the ground offering additional power generation.


Solar panels are commonly mounted on rooftops with ground or pole mounts. The mounts provide added flexibility if your structure is accustomed to shade. To maximize the power generated, mechanisms can be attached to panels. This allows maximum sun exposure. One of the biggest downsides to solar installation is sunset. This is easily fixed by installing a battery array, a storage system, or simply using supplemental power from the utility power grid.


If you want a more discrete, dual purpose installation you can even have your structure constructed with solar cells built right into the roofing, awning and window materials. In a residential application using roofing materials with the solar cells built in will give you the same level of protection as an asphalt shingle while functioning as a solar panel, giving you more flexibility in design and reducing the chances your home will look like a space station.

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Renewable Energy - Is It Too Late?

By Eric Q. Duncan

Renewable energy, what could really be the right definition? As it is the general term for many different unconventional energy sources, it has to be all-encompassing. Gurus tell us that renewable energy is an energy source that we find naturally and to a great degree.

Most renewable energy sources are dependent on nuclear power. This nuclear power comes from the sun. In a huge nuclear reaction, the sun produces energy in the form of light and heat and this reaches the earth as natural sources of energy. The sun is the ultimate source of solar power, wind power, biomass energy and so on. Fossil fuels may be categorized under biomass energy, but are limitedly available and have plenty of disastrous side effects.

The US federal National Renewable Energy Laboratory has a good renewable energy program that researches the latest energy-saving building techniques. Scientists have realized that energy efficiency is the way to go, and this body educates people in this aspect.

They work together with the leading instances of the building industry, foreground endeavors to build using renewable energy and tell producers as well as consumers about what and how they can save money by using this form of energy. NREL also get together with agencies to set guideposts for buildings and other energy consuming gadgets.

Renewable energy use is beneficial for the environment in the polluted world of today. Wind and solar energy are two of the most prominent types of this energy. Biofuels, geothermal energy and wave or tidal power are fast becoming popular, though some of these may potentially harm the natural world.

Can you tell the difference between renewable and alternative energy?

Many people don't know the fine difference between the two. Renewable energy is fundamentally natural; it's the energy we get from the sun, wind or waves. Alternative energy, however, includes both bio fuels and nuclear energy sources which are not really healthy options for us to use.

The infrastructure we have is suited for fossil fuels, even though renewable energy or green energy more cost effective. Our government has not been busy taking any steps to change things and go in for green energy sources. With the present situation worsening every day, we have to get a change really soon.

If we try to find one positive thing about fossil fuels it could be that we can store the energy we get from them, which is more difficult with green energy sources. Solar power, for instance, is less effective in cloudy weather. Calm days there is not very much use of a windmill. This and initial costs to get energy from these unconventional sources are still a bit high, could be a small drawback as compared to traditional earth-killing sources of energy.

About the Author:

Eric Q. Duncan shows "The Secret Trick To Use Energy More Wisely"; a free report about how to save money with green energy and also check his other site about renewable energy

Usefulness of solar energy in today's world.

By Ben V. Williams

The once expensive photovoltaic cells can now be obtained at a lower price as the process of producing them becomes easier and faster. These are produced at larger quantities and are smaller I size, thus making them possible for a reliable source of energy supply on a mass scale in the bear future. The prices have lowered to per watt per hour. 17 years ago, the price was doubled.

There's no question about how environment-friendly solar powered electricity generation is. This is an alternative form of energy production that does not emit any hazardous material into the environment and uses something that is naturally available as its source.

Today, solar cells are abundantly found on the rooftops of people's homes. You can use them without much trouble in heating your home, heating water and in producing power for all your needs . There it gets heated and is then supplied inside the home through pipes.

Photovoltaic cells of today enable you to gather heat from the sun and store it even if the sky is full of clouds or if there is a storm brewing. The technology used by Uni-Solar is an example of it.

In addition to the above system, there's another system available known as the PV system. The system is attached to the closest grid of electricity so if a home produces more electricity by its solar system, this energy is channeled into the grid, which can now utilize this energy for electricity production and will not have to depend wholly on hydroelectricity.

Using PV systems makes solar energy production economical for you, and also mitigates the problem of environmental pollution and helps to free up the grid from excessive pressure. Within some towns and suburban communities, such centralized solar collection arrays are becoming quite popular so that they can serve the entire region.

Worldwide, there has been an active interest among large scale corporations to enter into the arena of solar power generation and among other things, it shows how feasible this concept is. Google has already installed a 1.6 MW solar power generation plant on the roof of its headquarters while Wal-Mart will soon outdo this by installing a 100 MW solar power system of its own.

Countries such as Japan, Germany, Switzerland and America are providing benefits such as subsidies and tax deductions to people - whether individuals or companies - who install solar power systems for getting their supply of thermal and electrical power. This kind of interest will only help make it more and more popular and ultimately - affordable!

About the Author:

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How Electricity Is Made

By Michael Sullivan

Electricity is the backbone of our economy and our everyday lives. Production of energy is therefore very important to maintaining our style of life. Electricity is currently made mainly by the burning of fossil fuels (coal), nuclear fission, and with energy derived from water and wind.

Most forms of power plants produce electricity by turning turbines, which turn magnets to induce electrical currents in wire. There are various ways of making electricity:

Burning fossil fuels such as coal, natural gas and petrol. They can be burned to boil water in large furnaces or along heating pipes, and the heated water vapor can be used to drive large turbines. The products of burning are generally very hazardous to the environment. These fuels are also not renewable because they took millions of years to be created in the first place, so we shouldn't be depending on them for much longer - or they will run out.

Moving water. Hydroelectric dams are set up to channel water down into turbines so the falling energy of the water can drive them. Dams can also control and restrict the movement of water bodies which can be beneficial. The only problem is that local ecosystems may be affected.

Over ninety percent of all the alternative energy in the world is hydroelectric.

Wind power. Wind turbines can use propeller-like blades to directly turn a motor which will generate electricity. These wind generators may have to be high up in the air to gather enough wind in some places, but they are very environmentally sound.

Nuclear fission. There is a lot of energy in matter, and some unstable elements, like uranium or plutonium isotopes, can be used to generate a nuclear reaction which is then used to heat water, create vapor and turn turbines.

Solar power. Using the energy of the sun does not require that a turbine be turned. Light energy is converted to electrical energy when a high energy photon transfers its energy to an electron.

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