Browsing Tag Sources Of Renewable Energy

Sources of Renewable Energy are All Around Us

By at November 5, 2010 | 4:46 am | 0 Comment

Sources for renewable energy are all around us. When you say renewable energy the first things that always come to mind are wind and solar power. These two technologies have been the primary focus for discussions about renewable energy for quite some time. Complimented by geothermal energy and biomass production, these four get 99% of the attention when it comes to renewable energy sources. However there are many more potential sources for renewable energy sources in today’s world and it is going to take a broad approach utilizing multiple technologies to truly solve our current energy problems.

The big four sources of renewable energy have gotten the most media and government attention because they all at one point in time were thought to have the potential to be the silver bullet for the energy problem. They were all supposed to be THE solution to our growing demand for energy and dependence on foreign resources. However, it has become quite apparent that no one of these technologies alone can actually provide that kind cure all effect, thus it is time for us to take a broader look at the potential sources of renewable energy around us.

Anywhere there is motion; there is energy being spent and energy that can be captured. The goal of renewable energy sources are to find naturally occurring or wasteful sources of motion and harness this motion to create energy. This is precisely what wind turbines do, they harness the motion of the wind to turn a generator and make power. This same idea can be applied anywhere that here is naturally occurring motion. One example that has actually been tried with some success but needs further development is river turbines.

Of course hydro power has been around for a long time inside of dams, but the building of reservoirs and flooding of land is tremendously harmful to the natural environment. The river turbines of the future will simply harness the natural flow of a river to turn a generator. They will be similar to wind turbines, with blades that extend out into the river current. These turbines could be sunk into the bottom of deep sections of river and have no noticeable effects on the area around them. These river turbines however need to be incredibly durable and low maintenance, which is part of the reason they have only seen limited success and use thus far. However, with further development it is quite possible that they could become a very reliable source of renewable energy.

Another naturally occurring source of motion is the ocean. Ocean’s are constantly in motion, between wave action and tidal changes there is a lot of potential energy that would capture. There have been several different attempted technologies for capturing the motion of the ocean for energy purposes, but they have not received much attention. One major difficulty is the harshness of the environment in the ocean, which corrodes metals and is generally a treacherous environment. Again though, there is a huge potential for renewable energy in this as of yet unutilized source, it will simply take smart development of new technologies.

Turning to wasted potential from human endeavors the smoke pouring out of manufacturing facilities around the country is a prime example of wasted motion. There are several technologies in place and underdevelopment that take this motion of hot air up smokestacks and use it to generate electricity. You can think of it as a constant wind, as long as the factory is running, there will be air moving up the smoke stack, and if you had something in the smoke stack capturing that potential energy you could use those pollutants to help reduce the strain on the environment from power generation.

It is these kinds of creative solutions that, all put together, will be able to truly impact the way we generate power. No one source of renewable energy will ever provide the silver bullet everyone is looking for and it is time to give up the hunt. We need to invest in and pursue a broad spectrum of renewable technologies, not in the hopes of finding the best one that will solve all of our problems, but with the goal of getting all of them to the point where they can contribute to the overall solution. Simply looking at the world around us will show an untold number of potential renewable energy sources, all it takes is creativity and a commitment to pursue multiple technologies with the hope of developing a diversified renewable energy platform that can replace our current dependence on fossil fuels.

Barret Hudson is a representative of Green Collar Operations. We are an Austin company that helps homeowners dramatically reduce their utility bills through home weatherization. More information at www.greencollaroperations.com

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Benefits of Renewable Energy

By at October 31, 2010 | 4:49 am | 0 Comment

With modern day concern that global warming is for real there is an increasing demand by business and householders for information on the renewable energy options that are available. This review looks at the different types of renewable energy options and advises on what may be the best for most peoples needs.

Renewable energy can be described as a form of sustainable energy that is a product of the earth’s natural environment. Any source of energy that can provide an ongoing flow and/or be replaced by nature falls into the category of renewable energy. Where as fossil fuels are in limited or finite supply, the supply of renewable energy will never be totally exhausted. The various sources of renewable energy include solar, wind, water, biomass, wood waste, geothermal, photovoltaic, and solar thermal energy.

Energy is such an essential requirement of our daily lives that we all have to take it seriously. Energy is needed to provide lighting, heating, air conditioning, cooking, transport and to power all the technologies in the family home or business premises. The benefits of renewable energy can make a real contribution in most of these areas of energy usage.

Perhaps the greatest benefit of renewable energy is the potential for it to provide clean sources of power generation that is also affordable for both home owners and businesses. Secondly, in the case of solar energy, the maintenance required is low as cleaning of the panels is low cost and relatively easy. Businesses benefit from a clean energy  image that renewable presents through its ability to reduce pollution and have a positive effect on the environment. Home owners can benefit from such renewable energy concepts as solar powered lighting for walkways and solar covers on swimming pools.

While particularly in countries with strong sunlight, solar hot water systems are great for a cleaner low cost water heating system. Furthermore, in many areas of the world governments now offer generous rebates for solar energy installations and power generators will often agree to buy excess power from households with their own solar electricity installations. The “benefits of renewable energy” are real.

Many people considering a renewable energy installation may wonder whether to choose solar or wind energy. In the case of businesses, urban locations have a number of problems for wind energy:

- Lack of wind speed

- Council or planning restrictions; and

- Buildings not designed to withstand the level of vibration that wind turbines can cause.

- Suburban and inner city homes face similar problems with wind energy:

- Government planning restrictions

- The unreliability of urban wind speeds and consistency; and

- Structural problems with attachment of wind turbines to a home.

As a result, solar energy through the use of solar panels would be the best option for businesses and home owners alike.

As more people decide to take the initiative and do something to contribute to a greener future, a home with green energy http://app-products-info.webs.com will become a big advantage when selling.  International surveys indicate that buyers will pay up to a minimum of 5 per cent more for a home with solar/renewable energy compared to a low energy assessment rating. This is because energy pricing is becoming a real consideration in all areas of construction. This is yet another reason to consider the “benefits of renewable energy” option.

I have a background in business as well as having worked for a boss in various employment from politics to the civil service. I am currently involved in a consultancy where I advise on business start-ups in the renewable energy and building sectors.

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A Good Look At Information on Renewable Energy and Its Advantages

By at October 24, 2010 | 12:46 am | 0 Comment

The worldwide supply of fossil fuels is very much less now than it was pre-1970. With this in mind, environmentalists, governments and the media itself are in agreement that something must be done as the demand keeps rising. More people are taking a closer look how to use the information on renewable energy in their lives.

One of the major problems concerning the use of fossil fuels is the impact them are having on the environment. If you take a look at the use of fossil fuel and global warming, you will find a straightforward correlation between the two. The impact that global warming has on the weather cycles like extra hot summers, and warmer than regular winters, or more severe storms in general can forcefully affect the way of life of humans and animals alike.

Take the time to head to the library or video store and get a copy of ‘An Inconvenient Truth’ an educational documentary that will explain the damage of global warming in today’s world. You will find yourself choosing to make some changes to your home to make it more energy efficient, or look for other ways to bring renewable energy into the design of a new home or remodeling project, just from what you find out in the movie.

A major point in the information on renewable energy is that is what they call “green and clean” energy, thus producing a minimal carbon footprint. Because of this many, people are getting on the renewable bandwagon and choosing to use such renewable energy sources as solar power, wind power and geothermal energy. In addition, this boom of interest will naturally result in more well paying jobs being created in the renewable energy industry that will stay in the United States.

Add the government to the list of sources of renewable energy with their incentives and tax credits for those installing energy efficient technology in their homes. If you install solar power devices in your home, you can presently qualify for federal tax credits. The tax credits apply to both commercial and residential properties and the bottom line can mean the cost will end up being about 30% discount.

By making renewable energy more affordable and within their reach, people tend to be more willing to install renewable energy technology to help protect the environment from further global warming. Those people who choose to install renewable energy are often those same people that promote green communities.

Many of these communities work hard to provide information on renewable energu to its environmentally conscious citizens, so they can do what they can to improve the environment and the world that they live in. A green city can make environmental policies for the people to use to cut down on damaging pollution and create energy efficient citizens. Every year, National Geographic produces the Green Guide. It gives great information about a number of green issues and also lists the Top 10 Green Cities. Is your city going to be featured in this year’s guide?

Plenty of books have been written that give information on renewable energy. To be fair, we really should mention something about renewable energy disadvantages. Hands down, the disadvantage that sticks out like a sore thumb continues to be the high sticker price of purchasing and installing renewable energy technology in your home. Average folks will never be able to afford the $20,000 cost to install a PV solar system until the cost comes down or if they happen to have disposable cash available to them. Some will be looking to build-it-yourself options for renewable energy technology.

S.G. Fegan maintains a website on Cool Energy Projects where people can find lots of common sense information on renewable energy, and DIY projects.  Sign up for A FREE energy savings resource and newsletter.

 

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Why Should you Invest In Renewable Energy?

By at September 6, 2010 | 8:34 am | 0 Comment

Going green is no longer following the trend rather it has now become a requirement for the businesses to invest in renewable energy. Usage of green energy has many benefits for the businesses and the future generation will depend largely on the use of alternative energy. Hence investing renewable energy makes a good business decision for the industries. If you are an entrepreneur and contemplating whether or not going green is your way, here are the benefits of renewable energy which may help you decide for investing renewable energy.

Cost efficiency: Use of renewable energy is cost efficient. It helps the businesses reduce expenses on conventional energy costs. Further, unlike the sources of conventional energy, the sources of renewable energy are available in abundance in nature. One can further use the local resources to produce renewable energy and hence investing renewable energy reduces the dependency of the economy on the imported crude.

Countries which are highly dependent on imported fuel can benefit immensely from the use of renewable energy.

Improves local economy: Since you will be using the local resource; investing renewable energy will help in improving the local economy. The set up required to produce renewable energy would boost the infrastructural development of the vicinity. This can also help in escalating the employment opportunities of the locals. Hence, in turn you are helping in improving the economy as a whole.

Continuous energy supply: Investing renewable energy would ensure continuous supply of energy for your machines. The sources of local energy are – wind, water, solar, geothermal and such; for which there is no dearth of supply in the nature. This will allow you to reduce dependency on imported mineral oil.

Stable budget: Investing renewable energy will allow you to have a stable budget for your business since it will not fluctuate with the oil price fluctuation in the world market. Further, investing in renewable energy may demand large initial investment since you have to convert the entire set-up to support the use of alternative energy but it is often a long term investment and your initial expenses will even out with time.

Long term investment: The installation of renewable energy demands large initial investment but it is a long term investment as well. The solar cells required to convert solar energy to its usable form may last up to 30 years without replacement. Similarly, the windmills and turbines required for wind energy and hydro energy respectively also have minimum maintenance cost.

Government grants: Government has come forward to help the businesses in making transition from conventional energy to renewable energy. There are government grants and tax benefits available for the businesses investing renewable energy.

Help fight global warming

The greatest need for investing renewable energy perhaps is to save the planet earth from destruction so that we can continue living in it. The constant threat of global warming is looming large over us. The seasons are changing fast in some parts of the world. There is an increase in the number of destructive hurricanes that are devastating the coasts of USA. All because of the changes in global environment. It is now the time that we start the crisis management plan immediately. Help the world fight the global warming threats by adopting alternative energy usage. investing renewable energy is therefore a social responsibility of the businesses.

Renewable Energy has proven to meet the needs of millions. Future generations will come to depend on the ability of Renewable Energy Innovations. To Know more about this topic, Visit investing renewable energy

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Renewable Energy Sources – A Brief Summary

By at August 9, 2010 | 4:44 pm | 0 Comment

It appears as though the crusade to determine the best alternative energy sources are seriously being looked into by lots of countries including most American cities. One validation is the signing of the Kyoto Treaty. The primary purpose of the concerned group and individuals is to decrease the greenhouse gases and pollutants.

These renewable energy sources have demonstrated to be of great aid in cutting down the amount of toxins, which are by-products of the consumption of energy. These sources also preserve most of the natural resources that people use as resources of energy. For example, after a solar panel converts the sun’s rays into energy, the sun will still shine for someone else to use. What are the most popular sources of renewable energy? Here’s a list to give you some basic information:

1. Solar Energy – Harnessing the sun’s powerful energy is definitely not something new. Capturing the radiant light and heat from the sun has been practiced since ancient times. Since the rapid evolution of technology, we are now able to trap the sun’s rays into solar cells. Since the 1950′s solar cell technology has been advancing and has come quite a long way. The process turns the heat coming from the sun into electricity. Photovoltaic cells mounted on rooftops are used to heat water using the sun’s rays. The water goes into a storage tank where the power is stored, ready for use. But you don’t need all these scientific processes to be able to benefit from solar power. All you really have to do is open the windows and blinds on a nice sunny day to let the sunshine in.

To date, the main disadvantage of using this source is that it is limited. You cannot use it obviously on nighttime and during days when it is raining or even on cloudy days. This has been acted upon through solar power stations. But these are too expensive so there aren’t too many of these stations around the globe.

2. Wind Energy – Another ancient source of power, wind energy has been harnessed by sailors, farmers and architects for many years, even documented as far back as 5,000 years ago. The energy coming from the wind supercharges the blades of the wind turbines. As this happens, electricity is produced through the use of an electrical generator. In the old days, windmills were created so that mechanical machinery could perform physical labor. This includes the pumping of water and crushing of grains that were essential in planting and farming.

Now there are large scale wind farms that produce electrical currents. The end products are then distributed to national electrical grids and small turbines owned by individuals to distribute electricity to far flung areas and homes. There are many advantages of this kind of power. The main one, of course, is that this doesn’t produce any by-products that can be harmful to the environment. And we will never run out of this source of renewable energy. One of the main disadvantages of wind power is that it’s never a constant speed or direction, so wind turbines have to be able to move with the direction of the wind.

3. Geothermal – Geothermal energy is energy obtained by tapping heat from the earth itself. Holes are drilled in certain regions, and the magma and radioactive decay that can be found underneath produce steam. This steam is purified and used to drive turbines. These turbines then become the power source for electric generators.

The downside to geothermal energy is the fact that it is expensive to build, and to ensure that no harmful by-products are going to be produced in the process, geothermal plants must be created accordingly. On the other hand, because the earth’s crust continuously decays replenishing the heat, it is still a renewable source of energy.

4. Hydroelectricity – The use of hydroelectric power or even hydroelectricity dates back to Ancient Greece and China where they installed waterwheels in rapidly flowing rivers to turn millstones and other equipment. Hydroelectric plants today still use the same basic principles as the historical waterwheel, but with some variations. The difference is that we use the force of the water to push the turbine which in turn powers a generator thus generating electricity. The idea here is to make use of the kinetic energy of water. To make sure that there is a steady flow of power being produced, a dam has to be built to retain the water. If there is a need for more power, the gates of the dam are opened so water can be released.

There are issues with the use of hydroelectricity. Some claim that it poses a problem for fish and aquatic plants on both sides of the dam. Because the flow of water has been altered, the nutrient rich silt which helps crops grow could be affected.

5. Bio-Fuels – Bio-fuels are also a green energy source. They have been around for a very long time however just lately, people are beginning to take notice.During photosynthesis, plants grow and produce biomass. Also known as bio matter, biomass can be used directly as fuel or to produce bio-fuels. Agriculturally produced biomass fuels, such as bio-diesel, ethanol can be burned in internal combustion engines or boilers. Typically bio-fuel is burned to release its stored chemical energy. Liquid bio-fuel which is the one used in cars is a natural and renewable domestic fuel that can only be used for diesel engines. This can be made from vegetable oils mostly soy and corn. In fact diesel engines were originally created to run on vegetable oil! The nice thing about bio-fuels is that they contains no petroleum, and they are nontoxic and biodegradable.

By fueling up with bio-fuel, you decrease the pollutants in the air because it does not emit anything. Right now, it is the only fuel approved by the Environmental Protection Agency (EPA), passed every Heath-Effects Test of the Clean Air Act and meets the requirements of the California Air Resources Board (CARB).

Just by reading through the available alternative energy sources, you will be amazed at how nature works wonders. It is our responsibility to care for the environment around us and keep it clean for generations ahead of us.

Whatever your beliefs, today we are now aware of the effects of global warming. In the US, only 7% of green energy sources are used nationally. Fortunately, it’s not too late and we can still change the outcome, which is why many are pushing for renewable energy sources to become more prevalent in today’s society. To find out how you can start using renewable energy, visit our website

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3 Eco-Friendly Tips to Success: A Renewable Energy Company Guide

By at June 27, 2010 | 5:12 am | 0 Comment

A renewable energy company should be able to harness available resources in the production of electricity for daily consumption of individual consumers. Whether it is largely produced in a power plant or installed on homes, a renewable energy company should share its endeavor to conserve non-renewable energy sources.

It is without a doubt that the world is changing. Further increase in global temperature might affect life on earth. So here are three eco-friendly tips to jet start a renewable energy company.

1. Stay true with what the vision of the company is

Every renewable energy company would have to meet customer satisfaction as well as commercial success. Be always reminded that individual consumers who have trusted their homes, automobiles and electric production and consumption to the use of renewable energy expect to harvest the fruits of their conservation measures. Never compromise quality over profit.

Even if the products should be maintained on a monthly basis, keep in mind that they paid good money for it and have high expectations with it. Remember that as a company of good will it should be of top priority to meet up with environmental and ethical standards.

2. Reinvent and keep it fresh

Surpass standards and always keep up with the latest innovations. Renewable energy marketing requires brilliant product designs. That would be able to move the consumers into buying the product. Specialization of equipments choosing beyond the wide range of available sources would be a smart choice. Before a company could expand and explore other sources of renewable energy such as solar, wind or thermal choosing one and specializing in it, will help your company be distinguished amongst many other. Marketing does not limit itself with just the distribution of products. It requires communication with the consumers and decoding of the needs to meet both ends. Strategic promotion combined with a highly marketable product keeps you on the biz no matter how many competitors spring up over night.

3. Promote alternative solutions for a better future

As unpredictable as it is, the environment drastically changed in a span of one hundred years. Climate change together with the extinction of current energy sources should be taken as a challenge to change the perception of world towards renewable energy. To face against all odds in order to meet soaring energy demands for the future without harming the environment any further.

Other than production of energy it should be put in mind that conservation of energy is on top most priority. Renewable energy solutions include low carbon consumption for the depletion of greenhouse gases emission. Clean energy production that can promote a healthier lifestyle and a place that can support life on earth.

Sustainable future should be the ultimate goal of a renewable energy company. It should continuously inspire individuals to care a little bit more to the environment. To be completely dependent on renewable energy might be ambitious at the moment. But a small step could mobilize this ambitious dream.

Shirlyn Dee is a co-owner of Keen Partnerships, a pioneer renewable energy marketing company. Keen Partnerships acknowledge the fact that the renewable energy company startups need due exposure, and has the resources and manpower to give quality Internet marketing services for renewable energy players.

She has successfully deployed sites, and has been in the “Internet Marketing” industry for 4 years now. Now her expertise is mostly focused in deploying sites for Keen Partnerships clients, whose businesses are often in the renewability and sustainability field.

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There’s No Magic Solution: 6 Cons of Renewable Energy

By at June 10, 2010 | 10:39 am | 0 Comment

Let’s face the fact that there are many environmentalist groups out there that are actively advocating the people to revert and minimize the usage of non-renewable energy. But is it really worth the time and effort for the people to go green?

Going green is not an overnight make over session with your favorite stylist. It takes money, sweat, and patience to have a fully converted eco friendly home.  There are seven points to remember before joining mother earth’s campaign.

1. Eco Friendly is not Consumer Friendly

Sure the trend has been set and many companies have joined in the fad but those true blue advocates have money to burn in their pockets. Solar panels or wind mills are not easy on the wallet. A solar panel costs a hefty sum; consider buying four or five of them to cut down your electricity bill by a half. Not to mention that these technology is not widely available elsewhere.

They have to be specially ordered and professionally installed to be fully functional. It may be beneficial in two or three year’s time but at the start it’s just all bills and no gain.

2. High maintenance gadgetry may hurt the wallet’s feelings

It may sound rough but truth hurts. Unlike automobiles which can be maintained by good old dad, these gadgets must be maintained by a professional to be able too meet maximum potential and satisfactory performance.

3. With renewable energy, Mother Nature is in control

Complete dependency to renewable energy may seem bleak at the moment especially with the extreme climate change that the world is experiencing. On the contrary, severe climate changes were caused by pollution and global warming. The people are just reaping what they sow.

4. Sources of Renewable energy depend on geographic location

As the old saying goes, “we can’t win ‘em all” panels and mills need to be situated in a location wherein there is abundance of the resource. It’s a no- brainer to say that hydroelectric mills shouldn’t be installed in the desert.

5. Renewable sometimes means more pollution

Some sources stinks, literally! Biomass is one of the most abundant renewable resources on the planet and it would be a waste not to use it to produce millions of wattage of power. However, large scale harvesting of biomass need a facility far away from towns and villages for security reasons. Another is that biomass contributes to pollution and global warming with the emission of greenhouse gases released by the waste products.

6. More renewable energy needs more time

The fore fathers of modern technology depended on oil and coal thinking that it would be available forever for future consumption not knowing that a huge energy crisis would hit the people straight in the eye. To be able to see dramatic changes in the community it would take at least a century to fully dispose of everything that is non-eco friendly or at least half of it.

Renewable energy cannot emmidiately fully sustain the growing world’s needs. Sure there is nuclear energy but the use of it is still debatable. Unlike wind, solar, hydroelectric, or geothermal, nuclear has more cons to human life as to it being useful. It does cut down electricity and energy consumption. It takes a lot of trouble, and the main question, will renewable energy really save the world?

Shirlyn Dee is a co-owner of Keen Partnerships, a pioneer renewable energy marketing company. Keen Partnerships acknowledge the fact that the renewable energy company startups need due exposure, and has the resources and manpower to give quality Internet marketing services for renewable energy players.


She has successfully deployed sites, and has been in the “Internet Marketing” industry for 4 years now. Now her expertise is mostly focused in deploying sites for Keen Partnerships clients, whose businesses are often in the renewability and sustainability field.

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How to Use Renewable Energy in your Home

By at April 23, 2010 | 12:04 am | 0 Comment

How to Use Renewable Energy in your Home

With the desire that exists for a power source that isn’t as polluting and dangerous as fossil fuels, many people now want to use renewable energy in their homes too. This article considers some of the sources of renewable energy and how they can be used in the home.

Anyone who is a homeowner has a lot of options to use renewable energy. These homeowners may be using renewable energy without even being aware that they are using it.

Anyone who uses solar powered lights in order to brighten their walkway, or who uses a solar cover on their roof or hangs their clothes out to dry is already making use of the renewable energy of the sun. Different other renewable energy options exist which can be taken advantage of and by so doing the environment can be preserved.

One of the most practical renewable energy options for a home is the use of space heating as well as domestic hot water. This consists of more than 50% the energy usage of a persons’ household. By using renewable energy we also experience a lot of cost saving benefits.

One way of taking advantage of renewable home energy options is during the design of a new house. Having a southern wall that takes advantage of the windows can maximize the use of the low sun that prevails in winter. If you add a roof overhand over your windows it also allows the higher summer sun to be blocked. On a cool day you may also open your windows in order to let the breeze cool of the house so you can make use of wind energy. This can be easily achieved by adding heat whenever there is winter and coolness during the summer. By doing this you reduce you heating and cooling costs quite naturally. You can also use day lighting in order to take full advantage of the sunlight during the day and take advantage of your daytime lighting needs.

Wood stoves have their advantages and only if you’re using wood, diseased wood or small pellets made from wood chips, crop waste and other organic material for burning. It is a renewable heat source which can be sued through space heating. Modern wood burning stoves are also much more efficient which makes them a more practical option.

A homeowner can make use of active solar heating. Solar water heaters make use of renewable solar energy in order to heat the water supply of a house. This makes use of the solar collector panels that are placed on a roof. Solar water also runs through pipes placed under these panels and it is heated directly by the sun. Water can also travel to a water tank that is placed in your home for personal use. Electricity is also a factor that you have to consider and it can be produced for a home using photovoltaic technology. This technology also runs on the same idea that a solar calculator is powered by. Solar energy is perfect for rural homes where it would be difficult to run an electrical line to.

Geothermal heat pumps use the heat that comes from the Earth in order to move heat from one area to another. What this system requires is that you use a network of underground pies in order to move heat exchange fluid. The heat pump moves this fluid and transfers it to buildings for use. Installation costs are around the same as traditional heating systems but the operational costs are substantially lower.

If you reside in the part of the windy country and you have some land available you can use a wind turbine in order to power your home and provide electricity for yourself. The location that you live in must be ideal in order for you to trap wind and you must be able to trap a certain amount of wind in order for it to work.

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Understanding Renewable Energy Sources

By at April 2, 2010 | 12:04 am | 0 Comment

Understanding Renewable Energy Sources

Renewable energy sources are a viable alternative to the global dependence on fossil fuels. This article explores the basic nature of some of these sources of renewable energy in existence today.

Most parts of the world make use of fossil fuels such as coal, natural gas and oil at the moment for all their energy needs. These sources of fuel are considered nonrenewable because the society tends to use them faster than they can be renewed.

Nonrenewable energy sources make up about 90% of the energy that is currently being used today. These sources of fuel are constantly being depleted and since they are known to have adverse effects on air quality they cause human as well as environmental problems. A greater emphasis is currently being placed on renewable energy sources in order to get energy. Most renewable energy sources that we have consist of solar, hydro, geothermal and the ocean energy sources. These sources of energy never become exhausted and they are friendly to the environment as they do not add to greenhouse effects or cause global warming.

Solar energy is one of the most readily available sources of energy. The energy of the sun has been used as a source of energy for billions of years. Prehistoric men magnified the strength of the sun in order to create fire. Nowadays you have solar panels which absorb energy in order from the sun to produce heat for cooking as well as heating and also for electrical needs. Heat absorption is stored for use later on and is an indirect conversion of such energy. Electric companies are currently trying to use photovoltaic technologies in order to convert solar energy directly into electricity.

Hydro energy tends to draw on energy that is produced by flowing water. Waves are one result of the winds interaction with the sea surface. This interaction ends up producing a transfer of energy which can then be extracted for power generation while using turbine generations. Hydropower may not be polluting but it can cause environmental harm, hydroelectric generating stations can easily change the flow of the seas and do harm to plants as well as animals.

Wind energy which is a form of kinetic energy tends to be drawn from the movement of the air. This energy has been used for centuries in order to aid sailing, grinding of grains and irrigation too. Nowadays you have wind turbines that transform energy from wind into mechanical energy or in order to charge your batteries. Wind machines or wind turbines collect kinetic energy by trapping the wind in their blades; these blades now turn an electric generator in order to produce electricity. Unfortunately on days that there is no wind, wind energy cannot be collected. Though it is a clean form of energy it has negative effects on the wild bird population and a number of people consider these giant wind turbine machines an eyesore.

Biomass energy is derived from wood, garbage, food crops, manure, grasses, plats, agricultural as well as forestry waste and residue. Biomass energy tends to come from refuse. It is not a new source of energy and it was used in wood burning centuries ago which supplied at least 90% of the energy needs at the time. When biomass is burned the result is either heat or electricity. Biomass may also be converted into methane gas which is the primary ingredient of natural gas. Natural gas makes up 3% of the energy currently being used in the United States today. Biomass can pollute the air and releases greenhouse gases but it does not pollute as much as fossil fuels.

Geothermal energy refers to the heat of the Earth. This sort of energy is drawn from hot dry rocks, magma, hot water springs and geysers. These can all be found within the Earth’s underground. Some can be found deep within the earth while others are much closer to the surface. Currently this energy can be used to heat water within swimming pools as well as spas. This energy is also used to warm up greenhouses. It may also be used to produce electricity through the use of a geothermal power plant. In such plants hot water travels through turbines which have been connected by a generator.

Ocean Energy is derived from ocean waves and the differences in temperature of the water. Wave energy is a kinetic energy that is derived from water movement. Tidal energies trap tidal waves in reservoirs located behind the dams. Ocean Thermal Energy Conversion makes use of the differences that exist in water temperature from the surface water to water depths that are further below as an energy source. In order for this to work, a temperature difference of at least 38 degrees Fahrenheit must exist.

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