Showing posts with label renewable energy. Show all posts
Showing posts with label renewable energy. Show all posts

Thursday, October 4, 2012

Solar Power Techniques To Convert Your Home To A Green Haven

By Jack Hammer


You can start utilizing the power of the sun throughout your home in order to save money on your energy bills. Additionally, you will be making your home more environmentally sound. You do not even have to invest in solar panels! Read through the advice outlined in this article to begin utilizing solar power in your home living environment.

The largest of these systems is a solar water heating system. Instead of using expensive solar panels to generate electricity, this system uses panels that are dark colored to capture as much heat as possible. These panels are then used to heat water that can be used throughout the home. The cost of these systems vary based on how complicated you make the system, and cost recovery varies by region, taking up to 20 years in northern climates.

One advantage of using solar energy is helping to reduce our dependence on foreign oil. Unfortunately, a large amount of the crude oil we utilize comes from politically unstable countries. This wrecks havoc with energy prices and has caused a huge increase in electrical energy and gasoline prices within the last few years. When there is less demand for crude oil, the law of supply and demand will go into effect and energy prices across the board should be much lower.

Know upfront how much money you will need to install solar energy. As mentioned, you will need a good amount of money to get started. Solar panels can be in the tens of thousands of dollars, and you don't want to get started, only to find you do need it.

How do they work? Solar panels are made up of several photovoltaic cells. These cells capture light energy from the sun's rays and convert that energy into electricity. Since the cells convert the sun's light energy, rather than the sun's thermal energy, into electrically energy, solar panels will still generate electricity on freezing cold days as long as the sun is shining.

If you want to save some money on mowing your lawn every month, you can invest in a lawn mower that runs off of solar power. These products store sun power in a battery and use this power to mow the lawn. These products are only slightly more expensive than their conventional counterparts and can save you a lot of money over time, especially if you own a lawn care business.

If you're looking for a more all-inclusive, large-scale way to take advantage of solar power, you should look at the principle of passive solar design when you build a new home or renovate your existing one. Passive solar design is a set of architectural principles intended to fit a house into its local climate with as much energy efficiency as possible. Roofs and windows are oriented to take advantage of sunlight for direct heating during the cold months. Building materials are selected for year-round energy efficiency. The overall result is a home that works with its environment and requires minimal energy expenditure for heating and cooling.

The variety of items that use solar power make it easy to educate your children about solar power and how it can save energy in everyday life at affordable prices. Use the examples above to choose some easy ways to lead by example when it comes to living green.




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Tuesday, November 18, 2008

Renewable Energy - Is It Too Late?

By Eric Q. Duncan

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

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

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

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

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

Can you tell the difference between renewable and alternative energy?

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

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

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

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Friday, November 14, 2008

Renewable Power - Wind, Solar and Wave Turbines

By Mike Sullivan

Fossil fuels are one day going to dry up, so we must start looking now for alternative and renewable sources of energy so that we can maintain our lifestyles. Fossil fuels may last for years to come, but we must be prepared when the oil stops pumping.

Wind, solar and hydroelectric energy have come a long way in recent years, and they are becoming more and more popular. As technology of those energy sources improves, they will become cheaper and eventually cheap enough to replace fossil fuels as our primary energy source.

There are many other good ideas in existence for renewable sources of energy, as well. One of these ideas is wave energy, which harnesses the energy in ocean and sea waves to power coastal cities.

Waves are one of the densest forms of energy in nature, so with a relatively small power plant you can generate a lot of power. Wave energy also doesn't stop, unlike power from the wind or sun might.

Australia, which is famous for its waves and surfing, has many of these wind generators in place powering homes in many of its coastal cities.

An example of a wave power plant in Australia sits just off the coast of a city just south of Sydney. The plant weighs about 500 tons and can power about 500 homes on the coast. It also desalinates 2000 L of sea water everyday, almost enough for all of those homes it powers.

It is built to survive almost any major storm, though it is fairly small in size. It produces about 500kW of power and it cost $4.7 million to create.

Wave energy is still fairly expensive, but many experts believe that as its technology develops it may have the best chance of any alternative energy to become less expensive than fossil fuels.

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Tuesday, October 21, 2008

The Future Of Biofuels

By Mike Sullivan

Biofuels are fuels that can be created when some biological materials decompose. They are primarily derived from plants, and can be formed as solids, liquids or gases.

Bio-fuels are different from fossil fuels in the following ways: 1. Fossil fuels take millions of years to make whereas bio-fuels can be made extremely fast, in a matter of days. 2. Fossil fuels generate huge amounts of pollution. Bio-fuels are comparatively safer. 3. Bio-fuels are renewable sources of energy unlike fossil fuels.

Bio-fuels have been categorized into four types: first generation, second generation, third generation, and fourth generation.

The first generation bio-fuels are derived from vegetable fats, starch, and sugar, which are in turn derived from food-crops. The first generation fuels are also derived from animal fats. Biogas, bio-diesel, and vegetable oil are some examples of this type of bio-fuels.

The second generation of bio-fuels is mainly derived from waste biomass, thus making it a more balanced option compared to the first-generation bio-fuels. Different kinds of alcohols and diesel generated from wood fall into the category of second generation bio-fuels.

The third generation comprises of bio-fuels derived from algae. Algae are farmed on large scales for creating these bio-fuels. The algae fuels are extremely environment-friendly as they can easily decompose into the soil without harming it.

The 4th generation of biofuels are those made from excretions of microorganisms. The microorganisms are farmed in large scale reactors and excrete chemicals that can be used as fuel.

Advantages of biofuels include: 1. They reduce the burden on fossil fuels which will one day run out. 2. They are eco-friendly, unlike many bio fuels, and will help reduce carbon dioxide emissions. 3. They can be very cost effective when used correctly.

Disadvantages of bio-fuels include: 1. Economists have long debated on the usefulness of first generation bio-fuels when compared to the food that could be grown instead. Generating fuel from food crops makes food crops unworthy of human consumption. Some people believe that being a higher priority than fuel, food should not be farmed for making fuels but for human consumption. 2. Making bio-fuels require acres of farming land, thus encroaching upon the natural habitat of plants and animals.

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Tuesday, October 7, 2008

Save The Environment and Your Money With Solar Panels

By Thomas Murphy

The largest sources of energy that we are currently using will eventually run dry. As we run out of non-renewable sources of energy, they are also getting more expensive. Renewable sources of energy are the way of the future but many people still don't believe that it is cost-effective for their own homes.

Costly and Complex? Not anymore!

Getting somebody to install your own solar panels for you may cost more than $3000 dollars. But it's easy to learn to install your own!

There are many guides on the internet that you can read to learn how to do it, and save yourself thousands of dollars. Solar panels can be installed on the roof of your house and can save you 80% or more on your electricity bill.

Many of these manuals are easy enough that anybody with basic knowledge of tools and access to a hardware store can do it. Alternative energy is low-maintenance and low-cost, and the price is dropping every day due to better technology.

Government Supports Solar Power

Any manual worth the price should show you how to do this.

A lot of governments are realising the importance of renewable energy, so many of them offer support for those who install it. You can get thousands back from the government, depending on the scale of your project, no strings attached.

Power Companies Will Also Give You Money

If you produce more electricity than you use, your power company will give you a check! Putting more energy into the grid with renewable energy helps reduce the use of earth-consuming energies like coal.

Save the Environment But Don't Pay The Price

So you can sit and watch TV shows about global warming all day or you can be one of the people who actually goes out and does something about it...

Now that you can actually profit from going green, you have no excuse!

Wondering how to get started?

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Saturday, October 4, 2008

Alternative Energy Sources

Alternative energy sources may be one way we can stay ahead of the rising costs of energy. I don’t see these costs going down anytime soon. Are you tired of paying more every time you turn around? I sure am! What else can we do? One thing I have been doing is exploring how I can use more renewable energy sources and other ways to have a ‘greener’ lifestyle.

It used to be that alternative energy sources for your home such as wind power or solar power were so expensive that the average homeowner couldn’t afford to have them installed. Many people have looked into the cost of solar panels and ran away screaming when they see the cost! Fortunately there are step-by-step instructions available now for the homeowner to convert over to solar or wind power at a fraction of what it used to cost them.

The amount of energy we use in our homes is at an all time high. Some people are very frugal with their energy use, while others don’t seem to care if they waste electricity or gas. I have decided to save myself some money and use more alternative energy sources around my house. From what I’ve learned, it can save me at least 50-80% on my fuel bills. That sounds pretty good to me!

Alternative Energy Guide