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Review

‘This is an excellent introductory text which deserves the widest readership’. Book Review 2004. ‘This is an outstanding undergraduate textbook which deserves to become the standard text. I can only urge all those who are teaching courses in the field and all students, formal or otherwise, to read and treasure this book’. Professor Robert Hill, Times Higher Education Supplement, review of the first edition of Renewable Energy.`…an excellent and timely primer…the book (more…)

Pure sunshine makes almost all of the world’s energy. Let’s repeat that; Pure sunshine makes almost all the world’s energy! No matter how you look at it the sun works in mysterious ways, whether the energy is harvested from of a tree, plant and then used indirectly as wood, pellets, oil or coal(taking billions of years) the majority of energy we use is a product of the sun. Enough sun energy falls on the earth in a single day to supply us with energy for several years. This could also be through several man made sources including solar panels, solar heating and solar hot water panels.     The energy the sun supplies is free, all we need to do is put the equipment in place to harness the raw power going to waste every day. The energy we harness and use today will not deplete the energy we can harness and use tomorrow or the day after and best of all there will still be plenty for our children without the harmful effects on the environment. The drawback for many is the start up cost for purchasing and installing a system. You are paying for your electricity in a lump sum in advance before you even get to enjoy the clean energy. Our culture unfortunately is governed by “pay as you go” which makes all the utility companies very popular since they only charge us for what we use in a given period of time. Imagine paying up front for installation and never having to pay another electricity bill. Maintaining the system is well, basically maintenance free.     So what do you need to make solar energy—-Just the equipment – the sun does the rest! The equipment would be PV Panels, charge controller, batteries, system monitor, inverter and a circuit breaker panel. There are more and more manufacturers, distributors and suppliers of this equipment every day. If you do not believe me the go to the government site http://www.eia.doe.gov/cneaf/solar.renewables/page/solarphotv/solarpv.htmland see the information for yourself. Since 1997 this industry has grown exponentially each and every year.     To fulfill your energy requirements in any weather a good backup system to the solar would be a wind generator. Usually if it is cloudy a solar system will not generate the same output as it would on a sunny day. With the weather being unsettled usually there is wind and wind can also mean electricity backup. It takes and average wind speed of 9 miles per hour to keep a wind generator generating electricity. If wind power is not an option than additional energy storage batteries can also be a solution.     No matter how you look at it solar energy, green energy and wind energy is the only option for a socially responsible culture. We just need to adjust to the change now before the damage we do to the earth is irreversible. The government is offering tax credits for the installation of solar energy systems, up to 30% of the cost, you can see the tax form and instructions here http://www.irs.gov/pub/irs-pdf/f5695.pdfany way you look at it, and it makes more and more sense to install a solar system to create energy.

Whilst a lot of people do have electricity in their own garages and sheds, heat can be an issue throughout winter.
However you can take advantage of the sunny days of winter and use solar power from the sun to produce heat in your garage. Particularly if you live in hilly or mountainous areas, where the sun can reflect the suns rays as you could build a solar furnace to collect some of that sunshine that bounces off the snow or that just beams down. Solar powered furnaces have in the past recorded to reach temperatures of up to 110 degrees. So if you have a lot of scrap laying around in your basement, then put it to good use.
You can start with some 2×4’s and plywood to make a simple box. It helps if you build your box to the dimensions of the material that you are going to be fitting in there, in this case you should use aluminum cans because they’re easy to get hold of and to fit into your home made box. 50 cans in 5 columns of 10 will funnel air upwards.
Before putting your cans in the box, be sure to seal the edges with wood glue to ensure that any of the heat that the box produces does not escape.
So you may have already thought, “How can air climb the columns of cans when there’s no hole at the bottom of the can?” Answer: drill press and 3/4-inch bit. Times 45.
The last five cans, the bases of each column, will sit on the bottom of the box and thus will be unable to draw air from underneath, so I poked holes in the sides of each of the five. Stack the cans with liberal doses of adhesive caulk. Give them enough time to dry. Once they have dried paint each column with black BBQ paint to absorb the suns heat, make sure that the paint is matt, as it absorbs more heat like this, BBQ paint is also very good because it keeps from flaking off the cans.
At the top, you can then drill an outlet hole. Leave an inch or two of space between the tops of the columns and the top of the box to permit air to flow out of the columns. Drill out the outlet hole based on the diameter of a wet-dry vacuum hose that you could find laying in your basement, about 1-1/2 inches in diameter.
At the bottom you can use another wet-dry vacuum attachment; the rectangle shaped end that you use on the carpet, this will disperse the incoming air more evenly. Screw it in at each ends, then glue the seal. Then you can start to glue the columns in place. Remember to have drilled your inlet hole in the bottom. You can drill an inlet hole at the base for each column if you have time, this way the air can simply pass over the cans (there’s about 1/2 to 3/4 of an inch between the cans and the upper edge of the 2×4 frame) and all the air would be forced to pass though them picking up all of the absorbed heat.
You can then make a frame for your solar powered furnace using anything strong enough to hold it up towards the sun, you may wish to attach a thermometer to it to see how quickly it heats up and to what temperatures it can reach. Once it has been out side all day you can then bring it inside your garage and the heat that has been preserved by the solar heater shall radiate through your chosen space to heat up.

A nearly forgotten breakthrough in nuclear power technology has the capacity to virtually replace the use of fossil fuels within 10 years according to researchers.  However, the technology was shelved during the Clinton administration at the height of the anti-nuclear movement in the U.S., and kept there by the Bush administration.

Integral Fast Reactor (IFR) technology has been tested and proven viable at the Argonne National Laboratory in Idaho over a thirty year span beginning in the mid-1960’s.  These “fourth-generation” reactors use existing stocks of nuclear waste as fuel and produce clean energy with virtually no radioactive byproducts.  The common objections to use of nuclear power are virtually eliminated.

Based on current research, it is conceivable to meet virtually 100% of our electrical generation needs using the integral fast reactor technology within a matter of years if we were to undertake an aggressive switch to this technology.  Using currently available nuclear waste material as fuel would allow for several hundred years of operation at current levels of worldwide energy usage without any need for extraction or mining of additional nuclear fuel.  Additionally, the process consumes nearly all of the radioactive material, leaving low volumes of waste material that require containment periods measured in decades rather than millennia.

Further, the reactor design is essentially disaster-proof.  Should something go wrong during the process, the reactor naturally shuts down.  This has already been successfully tested at the Argonne facility.  Concerns over proliferation of nuclear material are reduced as well, since the material used in the IFR is much less suited to weapons development than that of the current generation of nuclear plants.

The primary obstacle seems to be commercialization of the process required to reprocess the existing stockpiles of nuclear waste into nuclear fuel for the IFR. While this technology, called pyroprocessing, has been developed and tested, the cost of handling a large scale effort would require a significant upfront investment. 

There is a growing consensus that green-energy technology alone cannot meet our energy needs.  Those in the fossil fuel industries have been pushing for increased use of natural gas and coal, which continue to add CO2 and other greenhouse gasses to the already elevated levels in the atmosphere. It seems that a technology that has been neglected for over a decade may hold the key to solving both the worldwide energy crisis and be a major factor in reducing climate change.

With going green being the latest development to take the world by storm, its no small wonder that DIY wind power kits are now the talk of the town. Not only is wind energy cheaper in the long run, but it is also a sustainable form that is ideal for remote locations. While you do need a certain amount of space in order to set the turbine up, it is also possible to do so within an urban area, provided it does not block or endanger anyone. There are also different sizes to suit every space and need, ranging from mini kits that can supply power to a few household appliances to a top range one that can generate power for an entire household and then some more.  Before you decide to go in for any of the wind power kits available in the market, it is important to examine all aspects of how you are going to install the machine and use it. Only after careful consideration should you make your selection to ensure that you get maximum utility out of the machine.

Investment

DIY wind power kits cost a little over two thousand dollars, which is a one-time investment. You can either choose to buy a full kit that comes with all the parts and the directions, or you can buy only the blueprint and find the parts yourself. It all depends on how handy and tech savvy you are. The full kit usually contains an alternator that has already been put together, along with blades and a tail vane. Other parts that have to be assembled are also included, but be prepared to improvise as per your space constraints.

Setting Up

While setting the DIY wind power kit up, it is important to consider your location and the rules of the county where you want to set it up. Remember that the machine, once installed, will be well over twenty feet high. And you also need to consider the amount of wind the location receives. While it doesn’t need a constant supply of strong wind, a moderate amount of wind is required to generate electricity to power a home.  Once the machine has been put into place and works to your satisfaction, you can even consider going off the local power grid completely. But make sure that you do this only once the machine has been tried and tested.

Benefits

The benefits of a DIY wind power kit are numerous and include the fact that you make a one-time investment. After successfully installing the kit, your expenditure on power will be cut by nearly half, if not completely. And apart from saving the money, this form of power generation is also completely pollution free along with being unlimited. Also, by putting it together, you have not only learned a new skill, but you will also be saving on money you would have otherwise spent on professional installers and repairmen. If by chance you have any problems with the machine once installed, you will be well equipped to discover and rectify the issue.

While wind power has only recently become popular, it is one of the cleanest and easiest ways of generating electricity. Thus, by getting yourself a DIY wind power kit, you can rest assured that you are well on the way to going green.

Solar power has been utilised for food preparation throughout history and can be used for cooking, drying and pasteurization. The simplest way of using solar power is to ‘sun dry’ fresh fruits, vegetables and even meat. The UV-A radiation in the sun destroys pathogenic microorganisms that grow on food and cause decomposition and decay, which means that the food can then be stored for a long period of time without the need for any additional preserving chemicals or equipment.Solar energy can also be used for heating and cooking food. A basic solar cooker consists of an insulated container with a transparent lid, into which the food is placed. In strong sunlight these cookers can reach temperatures of up to 150°C, which is more than adequate to cook most foods thoroughly. Another type of simple variation on the solar cooker is a panel design, which uses a reflective panel to concentrate sunlight and direct it into an insulated chamber. Reflector cookers are a much more powerful version of this panel design, and use concentrating equipment such as dishes and mirrors to focus sunlight into the cooking container. Basic devices can reach up to 315°C, but this is only possible in strong sunlight, so it must be regularily reposition to track the sun’s progress across the sky. The most popular type of reflector device was designed by Wolfgang Scheffler in 1986, and uses flexible open plane dishes that concentrate sunlight into a powerful, fixed focal beam that can reach temperatures of over 650°C. The system also has a solar tracker, which can reposition the reflectors automatically to ensure maximum exposure to direct sunlight. The world’s largest solar kitchen is powered by Scheffler’s reflector technology, and is situated in Rajasthan, India. The Scheffler system is so effective that this kitchen is capable of cooking up to 35,000 meals a day.

Are you interested to learn how to make Renewable Energy Solutions using systems such as a DIY solar energy cell? I am sure that you would already realize that your electricity bills is seemingly increasing every month and showing no signs of stopping. As the problem of energy shortage becomes more and more obvious, an increasing number of homeowners around the world are starting to get worried about escalating prices and are seeking alternative ways to generate heat and electricity in their homes. 1. Using DIY Solar Energy Cell to Power Your Home A solar energy cell is one way to harness heat in the form of heating up the air or water, as well as electrical power. This is one of the most effective renewable energy solutions that I am using today. The heat energy from the sun can be used to provide hot water in the house. To generate electricity with it, homeowners can build solar panels on their rooftops that cause a chemical reaction and produce electrical power when interacted with sunlight. It works similar to the way solar powered calculators work except on a bigger scale. 2. How to Make Renewable Energy Solutions System At Home? The method that I used was to follow a step by step guide online that contains clearly illustrated blueprints and video tutorials to guide me with the building process. In the long term, I am sure that it will help to save the environment and more importantly for me, cut down on my electrical bills. Therefore, I believe that every citizen should start to explore and implement the building of renewable energy solutions in their own home to start reducing the environmental hazards traditionally caused by fossil fuels. You can find out about the guide I used at my website link below.

The cost of energy is rising as we speak which in turn is causing many people’s energy bills to increase dramatically in price. How exactly can we combat this energy crisis? Well, we can’t exactly stop the rises in cost but we can begin to rely on different forms of energy. In particular, we can make our own natural energy. Making natural energy offers many benefits as well as helps the environments. Let’s take a look at what making natural energy has to offer.

If you were to install a solar panel or wind generator somewhere outside of your house you could save up to 80% on your energy bill within a month. In fact, you could even earn money by building your own natural power source. This is all great, but what exactly would it cost to install a solar panel or wind generator. Unfortunately, having one of these natural energy sources professionally installed could cost anywhere from $3000-$10,000. You might be asking yourself what the point of this article is if I am already requiring to dish out thousands of dollars. Aren’t we supposed to be saving money?

Yes, it is true that having a solar panel or wind generator proffesionally installed can cost thousands of dollars. But, this is where many people make a mistake when making the jump to green energy. People are made to believe that these expensive units are there only means to a natural energy source when in fact they can build the same renewable energy sources for about 2% of the price.

Instead of paying someone else to install these natural energy sources, why not just make your own natural power for a fraction of the price. By making your own natural power you will still recieve all of the benefits of a solar panel or wind generator for a fraction of the price. This includes…

Remember, you don’t have to spend thousands of dollars in order to have your very own natural energy. You can do everything the professionals do for a fraction of the price. Green energy is the future, why not get started right now?

Click the link below if you would like to learn more about making natural energy without having to pay thousands of dollars!

http://www.squidoo.com/howtomakenaturalpower

Due to the rising costs of electricity now, solar and wind power systems are becoming more popular. A large amount of our earnings these days goes towards our electricity bills and this is why alot more people are choosing to use solar or wind power to power their homes.  Solar and Wind Power is very cost efficient and also generally easy to maintain, and even better environmentally friendly.

Imagine if you could construct your very own solar energy system or wind turbine to generate power to your home, this is not as hard as you might envisage it to be.

Lots of homes are using solar and wind power to save huge amounts of money off their electricity bills.  Global warming is also an issue for our future, choosing renewable sources of energy is going to have a way more positive effect on our environment.

If you were to install a solar panel or a wind generator and you produced more power than you need, which is possible, not only will you save on your electricity bill but there is a extremely good chance that you could sell the surplus energy to your local utility and earn additional money.

Both methods can be used to produce power, depending on your location and finances.  Obviously if you are residing where the wind is blowing most of the time then the best option for your home would be to install a wind generator, same goes with solar panels, if you are living where the sun is shining the majority of the year then choosing solar power is your best option.

If a solar energy method is your choice, positioning the solar panels at a 45 degree angle to the ground is recommended, For the greatest outcome also face half east and half west. The early morning sunrise will capture the rays of the sun and ofcourse the afternoon sunset will capture the west facing solar panels.

The speed of the wind is also greater the further from the ground a wind turbine is, so being positioned high will also work best too.  A windmill obviously requires wind to function, it also acts as the fuel, this system can produce considerable amounts of electricity.

Solar panels and windmills can be purchased, but this can be very costly.  Choosing to install them yourself can save you a fortune.  There are some great diy solar and wind power guides out there with fantastic step by step manuals that will illustrate to you how to construct either of these systems.

Solar power is the new technology which is natural and cost effective at the same time. Solar panel plays the major role in capturing this energy from the sun. in most regions, there are days that are overcast or rainy which decreases the amount of collectable energy striking the panels. To compensate for this lack you can tie into local energy grids or add a bank of batteries to store energy and provide a consistent supply. It always helps in the long run. Solar power has a great deal of potential as a major source of energy but cost and efficiency issues are preventing it from merging into the mainstream. Beside, solar generators are way expensive. These issues are currently being addressed and researches are working on economical alternatives. But still its importance and potential cannot be denied. We are sure that in future it would become accessible and economic to produce.

Various industries can benefit from the sun as well. Solar panels have become more efficient over the years and are also available in various sizes that can be placed on rooftops and other structures easily. You can pare costs dramatically by making your home as energy efficient as possible before converting to solar.

Solar power has immense advantages; it is free of cost after the system is installed. Sun is the source of energy so it is totally renewable, because it never runs out of energy. It is very much environment friendly and there is no fuss of greenhouse gases as a matter of fact it cuts cost of fuel. Beside, it’s a heavily gift for the residence of remote areas where electricity has not reached and no grids are available. And when you can get ample solar power without any further cost why should you pay for limited electricity. It’s definitely a wise choice especially in this world of competition where every resource is precious.