Posts Tagged ‘SCIENCE’
Wind Electricity News Report – The Big Developments of the Year
January 12, 2012
As nations around the globe continue to search for alternative methods for creating energy, wind energy has benefited significantly.Wind energy has prospered not only because it is a renewable resource, but also because it is becoming increasingly less expensive to create wind power.
The biggest development in wind power this year is that it is expanding: 18.4 gigawatts of new wind energy has been created worldwide in the first half of 2011 alone, and it’s anticipated that the new wind energy total will be well over 40 gigawatts by year’s end.
China has proved to be the most significant leader in new wind power development increases, being answerable for 43% of all new wind energy development in 2011 so far. And statisticians forecast that China’s wind energy consumption will likely increase.
Another big development is the high concentration of wind power in only a few markets. While nuclear power is making its way to developing nations in sub-Saharan Africa, 74% of the world’s total wind capacity belongs to just five countries: China, the U. S., Germany, Spain, and India.
China alone has a total capacity of 52 gigawatts of total wind power. The Green Energy Act in Canada has opened up USA’s northern neighbor to wind power; so much so that the Ontario province in Canada has already built 603 megawatts of wind energy in the initial half of 2011.
The price of wind energy has decreased, bringing it closer to parity status with natural gas. Because of that, wind power construction projects are anticipated to far surpass that of 2010. In total, the US has a wind power capacity of slightly over 40 megawatts; although that is less than China or India, it is a great improvement.
The lessening in the price of wind power, joined with the expansion of wind turbine production around the planet has made wind energy development extraordinary news in 2011.
Barnhart Crane & Rigging Company proudly serves the wind market. To learn more, come and visit Barnhart’s crane service or machinery moving web pages.
Putting In Solar Energy Panels Could Be A Do It Yourself Project
December 17, 2011
It is possible for the person possessing moderate do it yourself skills to install the necessary equipment for solar energy panels and help take some of the power load off outside sources. A full home changeover to complete solar power might be well out of the price range of many homeowners especially when including the price of installation into the figures. However, the beauty of do it yourself packages is that the handy homeowner is not limited to just options offered by the installer.
Intermediate repair people may want to consider solar panel kits with all the parts, except perhaps miscellaneous items of wiring included. More advanced artisans may choose to design their own solar panel installation. There are many uses for solar energy among them are powering a home or just heating the water for showers. All require some advanced planning.
Advanced planning is necessary when considering a solar installation project. Part of the installation process will involve working with electrical components. This may well be within the skills of some craftsmen but if it is not then a qualified electrician might be called in to be sure the wiring is up to code and safe for use. This perhaps is the one aspect of the installation project where a homeowner might be wise to call in a professional at least after the wiring is ready to go.
An inverter is an essential part of the package in solar units intended to produce power for the home. If the homeowner has purchased a very small package the inverters will usually not handle new panels. More expensive models of inverters are capable of accepting additional panels. There are other considerations as well with the installation of solar panels and both have to do with the placement of the panels on the roof.
The first consideration comes with attaching the panels to the roof. These must be securely attached to either rafters or joists for stability. Anything that is intended to remain stationery on a roof must be securely attached and joists and rafters are the most logical choice. The panels should also be perfectly aligned, and a laser sight or a chalk marker will help maintain that straight alignment.
It is important to assure that panels are secured correctly and equally important to assure they are placed correctly to maximize their exposure to the sun. The more time a panel is in direct sunlight the more energy it can store for home use. Conversely a panel which is shaded for a portion of the day loses that much efficiency. Obstructions such as overhanging tree limbs should be removed if at possible. If a building nearby obscures the sun on the panels at any point in the day then the homeowner should attempt placement on the other side of the house.
Persons within many countries may find local and national government initiatives to assist with the cost of installing solar panels in a home. Some places may offer tax rebates while others offer long term loan programs. However, renewable energy is not just a good idea for the homeowner but often encouraged by the governments.
Solar panel self installation can help defray enough of the cost of going with a renewable energy source that families who may not have believed they could afford it find it is possible. The savings might just buy a few more square feet of panels or it could simply go toward the investment cost. While many people have successfully installed their own solar units it should be remembered there is no money back guarantee from the installer if mistakes are made during self installation.
Articles about non-traditional energy sources are available on many Internet websites. Learn how solar energy can be tapped to provide a clean and limitless source of power for your home and community.
Ideas To Assist A Person To Select Solar Equipment For Your Home
December 2, 2011
With fossil fuels beginning to dwindle all over the world it is becoming ever more important for us to find renewable sources of energy. Some of the common renewable sources of energy that we are looking to take advantage of our wind power, water power, and solar energy as well.
Solar energy is essentially energy that is generated from sunlight. This energy can then be used to power up your home and all of the appliances within it. People around the world are adding systems of solar panels on to their roofs in order to take advantage of this unlimited form of energy. But why exactly are they doing this?
Well, first and foremost, your expenses will be cut down significantly by taking advantage of this source of energy. When you have a solar powered home you can shift your energy usage from the main power source onto solar power for quite some time. Often this will be sufficient to power up your entire home depending upon the system that has been setup. As a result of this, your expenses and bills will be significantly reduced.
The investment is also extremely low in most cases when setting up a system like this and it will also need the required once. If you are looking to create a system yourself then this can easily be done by purchasing a DIY kit. These are generally relatively cheap and the savings that you make on your bills each month will easily cover the cost of the setup anyway.
If you are looking for some more expensive options then you can get ready-made system is that can be installed by a professional company. These will certainly cost a lot more than the DIY system is but the energy you are likely to make from a system as extensive as this will likely be a lot more. As result, your bills will be reduced even more and you will recoup your investment more quickly.
It is interesting to consider that you can even make money through the use of solar panels and the generation of solar energy as well. If you create a system that generates a surplus of energy and electricity that you do not require within your home you consider the sell this back to the main power company in your area. This will, in turn, enable you to actually make money through the energy you create.
In addition to all of this, you will certainly be acting to save the environment yourself. We are all being urged to do our part and therefore we should be taking steps in whatever way we can to help save the environment. Certainly, creating your own renewable source of energy is going to be a big help on your carbon footprint will be reduced significantly as a result.
Certainly, you will need to be living in an area of relatively high sunlight to actually set up a system like this will stop however, if you do fit the criteria then there will be significant advantages that you can enjoy.
solar energy Solar power helps people to save money on their energy costs, and has become more and more popular. Solar power helps people to save money on their energy costs, and has become more and more popular. Some governments are offering grants to help people go off-grid and switch to solar power instead.
What You Should Know About Solar Energy Sources
November 18, 2011
There are many people in our society that are spreading the good news that alternative forms of energy can be used by ordinary people to save money on the power bill. This is true however, it is important to keep in mind that solar is by far the most successful form of alternative energy. Because of this we will try to help you understand how ordinary people are utilizing solar energy.
The very first thing that some people might be curious about is not only what solar power is but how it works. The idea is a simple enough one for anybody to understand. Solar technology uses specialized cells that are placed into much larger panel units. The cells work to gather the light of the sun and convert it into electric power. The size and number of cells will determine how much power is created.
Some people find that the fastest and most convenient way for them to upgrade to solar is to hire one of the firms that specializes in acquiring and installing such things. The reasons for this are obvious, you are dealing with a company that knows were to find equipment at the best prices and will install it for you for a price. Some people do not like the costly nature of this method however.
A lot of solar enthusiasts and starting to discover that you can actually buy your own panel kits and install them yourself. Keep in mind that more than just the actual panels are required here. Special inverters that convert the power from DC to AC currents are needed as well as other equipment to properly wire the system into your home’s current source of power.
For people that want to dabble in alternative energy and are not ready to buy a pre built panel kit, there are many auction sites on the web that sell the actual parts you need to build the panels. The actual cells can be bought separately and panels can be constructed from raw materials. There are also parts for sale that can be used for constructing inverters as well as wiring devices.
The greatest advantage that a person can receive by utilizing this form of alternative power couldn’t be obvious enough. You save a great deal of money on your electric bill and who wouldn’t want that? Some people are claiming that they have almost been able to cut their electric bill almost in half. The amount of money that you save depends on the amount of sun that is present.
Certain myths tend to be floating around when it comes to solar power and the technology that produces it. The most popular one makes the outrageous claim that this technology cannot power a very large home. This is obviously a myth because as long as the proper amount of cells are present, there is no limit to the amount of power that can be generated with this technology.
After taking a moment some of the good reasons for ordinary people to consider solar energy you might want to learn more. It is possible to save money on the power bill as well as be kind to the environment. Keep in mind that while the start up cost for a home kit can often be high, how much money are you going to save by significantly cutting your power bill by large amounts almost every single day of the year?
We have some great articles on our site. For example, what do you know about solar energy? Surely, the articles we have are going to teach you all you need to know and then some on the topic.
AVISO Energy Bringing Ismael Aviso and His Technology to the US
October 31, 2011
“Our new technologies are unlike anything the world has ever seen,” says company spokesman Alec Sherman,”and are so revolutionary that people who haven’t witnessed them in action find them hard to believe. That is why Ismael has decided to come here to show the technology himself.
The timing of Mr. Aviso’s visit has not been clearly set at this time, but AVISO Energy spokespeople say that it will be in early December. Lining up scientific audiences and travel visas are a few of the factors still not completely worked out. The company says that updates will be posted on their website, www.AVISOenergy.com.
“Our purpose is to introduce Ismael and our technologies to the world,” says Sherman. “That won’t be achieved with a secret meeting in a closed laboratory with a hand-picked audience.” The company plans to have the product demonstrations well attended by the scientific community and the public, and intends to stream video on its website, www.AVISOenergy.com.
Attracting investment is a stated goal of the visit. AVISO Energy has been privately funded up to this point, but has acknowledged the need for increased financing to take their products from prototype to distribution. Individual investors and firms are both likely to be in attendance
“This visit will be the beginning of an energy revolution for America and the world,” says Sherman. “We truly believe that when people see our technology at work, they will realize that they are witnessing a shift in our understanding of what is possible.”
Anyone interested in AVISO Energy technologies should keep a close eye on AVISOEnergy.com for info about his visit. AVISO Energy has attracted a lot of attention with his work, and his visit to the US will only heighten the excitement.
Financial Benefits Of Photovoltaic Systems
October 16, 2011
If you are interested in making use of photovoltaic systems, that is solar panels that create electricity, then one of the things that you’re going to be interested in are the financial benefits. Of course one of the main reasons that it’s important to use renewable energy is for the environmental benefits but those can only be used if the economics are right.
Solar Energy: How To Make Money
The only way that photovoltaic systems are going to become a truly sustainable and long-lasting form of energy production is by being cheaper than fossil fuels from the savings made on energy bills. When that is the case, the transition should be swift.
In our current situation, however, if you were going to go by the savings that you make on energy bills alone, it would probably take around 25 years just to pay off the installation costs. That, clearly, is not a good return on an investment. Which is why the feed in tariff has not been introduced by the government.
Instead of having to rely on savings on energy bills alone, when you make use of the feed in tariff, you get extra payments on top of that. For every unit of electricity that your solar panels generate, you get a certain amount paid to you. And you get even more for the solar power that you don’t use as it gets exported to the National Grid for general usage.
What this has achieved, by making solar energy in to a better investment, is that there have been many more solar installations in the UK. So although it still costs the same to get an installation, instead of taking 25 years to pay off the installation costs, now it usually only takes around 10 years.
Why do Governments Incentivise Solar Energy?
For a government to incentivise a certain industry there has to be a reason behind it. And when it comes to solar energy, there is a very good reason: they are trying to avoid any further global warming problems.
With all of the talk about global warming, carbon dioxide has got a bad name. Although there’s a good reason for this, it is not actually a “bad” gas, it is actually essential to our survival. Without it plants would have nothing to convert in to oxygen so we wouldn’t be able to breathe. We also need the greenhouse effect so that the world does not become too cold.
The reason that releasing carbon dioxide in to the atmosphere is a problem then is that if there is too much of it then there is going to be too much warming. This can result in a number of very unfortunate consequences that we would like to avoid.
It is possible, for example, that the Earth warming up more than it should could lead to ecosystems ceasing to function. If that were to happen then we may not be able to grow food in the quantities that we are at the moment, meaning that not everyone would have enough to eat.
If it is really such an important issue though, then instead of just incentivising renewable energy, like photovoltaic systems, why not simply demand production of enough to cover all of our energy needs? Unfortunately that would lead to an economic collapse because the resources are just not available.
At the moment then the best thing that can be done is to put as much money in to the renewable energy sector as possible without harming the economy too much. With more money, the solar energy companies are going to be able to develop new, more advanced technologies. And eventually government help will not be needed at all. At least, that is what is hoped.
Hayden Watson writes more about solar energy at photovoltaic systems. Find out how much money you can make, and how everything works. You can also obtain a free solarinstallation estimate.
How To Make Money With Renewable Resources
September 26, 2011
There is now a very real possibility of making money with renewable resources. That’s because you no longer have to rely on the savings made on energy bills alone, there are also government incentives available. They have done this because they are worried about the dangers of global warming. So solar energy can be much more financially viable now.
Savings
The savings that you can make using renewable resources will be considered before we get on to the government incentives. These will still apply of course, it’s just that you get more with the incentives available.
We’ll focus on solar energy for now, for the simple reason that it is the most popular form of renewable energy. You can get the solar panels installed on your roof, so it’s pretty simple and available to most people. Looking at the savings, you have to take in to account of the cost of the installation as well though.
As energy prices continue to rise, the pure savings that you can make by using solar energy to generate electricity are getting larger. Even so though, they’re not all that big, considering the cost of the installation.
All the savings have to be compared with the cost of the installation. If the installation costs more than the savings you’re going to make, then it really makes no financial sense to use renewable energy. With solar panels, it would take around 25 years to pay off the cost of the installation through savings alone, and that is about how long a solar panel lasts for.
It should be no surprise, then, that before the feed in tariff came in to effect, there were not many people who were getting solar installations. Afterwards though, there were many more people getting solar panels, and we will now see why that is.
Feed In Tariffs
The feed in tariff is a government scheme whereby all of the renewable energy that you create with renewable resources such as solar energy, you get paid for. Now it’s important to note that you still get to use this energy, so it is not an exchange. You are just being financially compensated for using renewable energy.
Again, the reason that these incentives are in place, is because the government is concerned about things like global warming. They intend to reduce the carbon emissions the country makes significantly by the year 2020, and this is one of the ways they intend to do so.
So now, taking the feed in tariff in to consideration as well, what is the financial situation? Well this is where you will actually be able to make money. Instead of taking 25 years to pay off the installation costs, it should only take around 10 years when you are using the feed in tariff.
With the time necessary to pay off the cost of the installation greatly reduced, that gives you time to actually make profits. And of course if you choose to sell your house before that time, then the solar panels are going to add a lot of value to it.
Renewable Heat Incentive
With the feed in tariff in place for renewable electricity production, the renewable heat incentive is set to soon come in to effect for renewable heat production. It’s going to work in the same way as well, paying you for each unit of renewable heat produces.
This is going to apply to a number of systems. For example heat pumps like the ground source heat pump. You can also get an air source heat pump. It will also apply to solar thermal systems, which use solar energy to heat water. So it’s soon going to be more financially viable to use a solar hot water system as well.
To learn extra details about solar power, author Freddie Clarke has written lots more on this issue at renewable resources. Learn additional information regarding how the system works, such as how much money it’s possible to make, and obtain a free quote for an installation.
Solar Panels Information: How Do Solar Panels Work?
September 23, 2011
Of all the forms of renewable energy, solar energy is probably the most popular. The way that this energy is generated of course, is through solar panels; information about how they work will now be detailed. If you’re more interested on the monetary savings that you can make with them, information will be provided on that as well.
Solar Electricity
There are two types of solar panels, ones that create electricity, and ones that heat water for your hot water system. The ones that we’ll be looking at first of all are the ones that generate electricity.
To properly understand how they work, you first have to know a little bit about what electricity is. Put simply, electricity is the flow of electrons in a system. So to produce electricity, what that really means is that you have to produce the flow of electrons.
In order to create solar energy, it’s necessary for light to cause the flow of electrons. This is no small task, and for most of us we couldn’t think of any way to make this happen. However, if you know about semiconductors then the problem is almost solved.
If you do know about semiconductors though then a solution can be imagined (and indeed, achieved). The important property of semiconductors which is important here is that when light hits them, electrons are caused to move. Now, just because they are moving does not mean that it is electricity, as that requires a flow, but it is a good starting point.
Now all that has to be done then, is to get the electrons to move together in a useful direction. This is achieved by having the solar cells be in two halves, one of which has a negative charge, and the other one has a positive charge. These will have a balance, but when light makes electrons move, this balance is upset.
Balances will always be restored when they can. In this case, the option for restoring the balance between the two sides is achieved when the electrons flow along a wire connected to the solar panels. This flow, as stated, is electricity. And the wire leads to your house, which is how you get electricity.
Solar Hot Water Systems
Solar energy can also be used for the heating of water, and this can also be done with solar panels; information on this will now be gone over.
Solar collectors have absorber plates in them and these absorb the heat from the sun, and that is how they get the heat from the sun. Crucially though, it doesn’t actually have to be a hot day in order for them to work, it just requires sunlight.
Using Solar Energy to Make Money
There’s good news and bad news when it comes to making money with solar energy. The bad news is that on their own, considering the installation costs, the savings that you make on energy bills are not very encouraging. However the good news is that with government incentives now in place, solar energy is a much more attractive proposition financially.
The incentive that the government is using to encourage the uptake of solar panels is the feed in tariff. Through this scheme, for every unit of solar energy that you produce, you receive a certain amount of money. This has made investing in solar power much more attractive.
Should you have a genuine interest in solar panels, information on the amount of savings that you can expect to make with them in particular, then its best to get in touch with some experts. Find out how much a solar installation would cost you, and how long it would take you to get your money back. These days it’s about 10 years with the feed in tariff usually, after which you’ll actually be making money.
To discover extra info on solar power, author Lucas Walsh has written a lot more about this issue at Solar panels information. Find out additional information about how the system functions, including the amount of money it’s possible to save, also you can get a free quotation for a solar installation.
What Are The Environmental Benefits Of Alternative Energy Sources?
September 22, 2011
This article is going to take you through alternative energy sources, first of all by explaining what they are an alternative to and why they are beneficial. Then by showing that now there are financial as well as environmental benefits to using things like solar energy.
Conventional Energy V Alternative Energy
What we are using right now for the majority of our energy needs are fossil fuels like coal, oil and natural gas. By burning these things we are able to get a lot of cheap energy, and one of the main purposes we put that to is the production of electricity.
The way that electricity is normally generated is through getting turbines to spin. A spinning electromagnet creates electricity, so the trick is to get them to spin. This is usually done with steam, which requires hot water of course. The way the water is heated is by burning fossil fuels. That’s the normal way.
When it comes to alternative energy, some work in pretty much the same way. For example with geothermal power plants, it is the heat from the ground which is used to heat the water to create steam to get the turbines to spin. Other times the renewable resource spins the turbines more directly, as is the case with wind energy.
Just about the only type of electricity production which does not require turbines is that created by solar energy. In that case, the solar panels directly create electricity because when they are set up in such a way that when light hits them, electrons flow. And flowing electrons of course is a description for what electricity is.
Advantages To The Environment
The problem with burning fossil fuels is that by doing that, carbon dioxide is released in to the atmosphere. That is a greenhouse gas, meaning that it contributes to the warming of the Earth. If there is too much of that in the atmosphere then what happens is that the planet warms too much and there are potentially disastrous results.
When it comes to global warming, nobody really knows precisely what the results are going to be. However, predictions have been made which say that the polar ice caps are going to melt and this is going to result in massive sea level rises. What could be even more dangerous though is if the rise in temperatures means that ecosystems do not function anymore, meaning that we cannot grow enough food.
The major advantage of alternative energy sources, therefore, is that they do not cause any pollution. There are no carbon emissions. Of course at the moment their production results in a certain amount, just by manufacturing the necessary equipment, however eventually everything should be powered with renewable energy.
Financial Advantages
Given the important environmental benefits of using renewable energy, you might wonder why we don’t just make the switch straight away. The answer, of course, is financial. At the moment, using fossil fuels is the cheaper way of generating energy, and neither companies nor people can afford to take a more expensive option.
With that said though, things are improving in this area. Nobody likes that the price of conventional energy is rising, but that is actually good for renewable energy because it means that more people are looking for alternatives. It also helps that the price of solar energy, and other renewable sources, is coming down. Governments are also helping, with schemes such as the feed in tariff.
The feed in tariff is a financial incentive introduced by the UK government (as well as other governments around the world) which means that you get paid for energy that you produce through renewable means. For example, with solar panels on your roof. The result has been that there have been far more solar installations.
To get additional information about solar power, author Adam Roberts writes a lot more on this subject at Alternative energy sources. Learn additional information regarding how the system functions, for example how much money you’ll be able to save, and get a free quote for an installation.
Renewable Energy: Alternative Energy Sources
September 15, 2011
Without energy, nothing could be done. We need energy to do anything at all, whether that’s fly around the world or even read this sentence. The ultimate source of all energy in the solar system is solar energy, that is energy from the sun. However the main form that we use to run the economy comes from fossil fuels, which is energy that came from the sun, and got trapped in plants that then became things like coal and oil through long and complicated processes.
The Use Of Fossil Fuels
So what’s the problem with fossil fuels? Why do we have to think about alternative energy sources, why not just continue to use things like oil? Well, there are a couple of good reasons. One of them is that we can’t use it forever because it is going to run out. We use it a lot faster than it is created, meaning that it is in effect non-renewable.
Even if oil and coal could be used forever, however, we probably would not want to do that. That’s because we get the energy from them by burning them, and that releases certain substances in to the atmosphere which harmful. The one that is the biggest problem is carbon dioxide because that is what is causing global warming, which could lead to very dire consequences.
Most people understand the basic way that global warming works, but just to go over it one more time. When the heat from the sun hits the earth, most of it simply bounces off. However, some is then trapped in the atmosphere because of greenhouse gases. This is necessary to some extent, or else the planet would be too cold to live on. There are problems if there is too high a volume of greenhouse gases in the atmosphere though.
While the focus that is often put on global warming has to do with the polar ice caps melting and the sea levels rising, that is not actually the biggest issue. What should be of much greater concern is the fact that ecosystems could be disrupted around the world. If that happens, we may not be able to continue to grow enough food to feed the population.
For these reasons then, we need a clean and renewable form of energy if we are going to survive in to the future as a species. This is where alternative energy sources come in.
Alternative Energy Sources
It seems like, however, that we have already gone most of the way to solving our energy sources. After we have all sorts of alternative energy sources, from solar energy to wind energy to geothermal energy. Just about every natural process on the planet can be utilised in a way to create energy.
If we are going to avoid global warming then, we have to find a way so that renewable energy, like solar energy, could actually realistically take over from oil as the main way we get our energy. In theory it’s simple, just cover the Sahara Desert with solar panels, in fact it wouldn’t even have to be all of it to make all of the electricity that the planet would need.
In practice, if solar panels are going to be produced in large numbers then there has to be a high demand for them. This means that they have to be cheaper than oil, meaning that it’s the most efficient way to actually produce energy.
There are people who want the government to get involved so that they just order a large quantity of solar panels. However, this could have disastrous economic consequences because the money they take away through taxes is of course money that people don’t have to spend the way that they want to. This basically means that it would be very inefficient and the economy would suffer.
There is something that lots of governments have got involved in though, which is artificially creating the conditions in which solar panels are going to be more in demand. That is, they have made them a better investment by applying a feed in tariff to energy created by solar panels, meaning that you get paid for every unit of energy produced in this way.
If you would like to find out more regarding solar power, it’s possible to do so at http://www.alternativeenergysources.org.uk, which is where author James Brown writes extra information on this subject. Also go to this site should you be interested in receiving a free quote for an installation.