Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

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

Sunday, February 8, 2009

New Solar Energy Projects Come To South Africa

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New Solar Energy Projects Come To South Africa
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ENEL GREEN POWER WILL BE BUILDING NEW SOLAR ENERGY SYSTEMS IN SOUTH AFRICA

Enel Green Power, a renewable energy company, has begun the construction of three new solar energy projects in South Africa. The country is becoming more interested in clean energy for economic and environmental purposes, and the three new projects will help South Africa make progress towards its sustainability goals. The three projects will produce a combined capacity of 231 megawatts and will represent a significant portion of South Africa's renewable energy infrastructure.

COUNTRY AIMS TO BRING 313.5 MEGAWATTS OF SOLAR POWER ONLINE IN THE COMING YEARS

The new projects are part of a larger initiative from Enel Green Power that will involve the development of 313.5 megawatts of new solar capacity. The initiative was sparked by South Africa's Renewable Energy Independent Power Producer Procurement Program, which aims to support renewable energy developers and their projects. The three projects from Enel Green Power will be located in the Western Cape Province, the Northern Cape Province, and the Limpopo Province.

Energy Projects Will Bolster Local Economies And Help South Africa Become More Environmentally Friendly

The first project, called Paleisheuwel, will generate approximately 82 megawatts of electrical power. The other two projects will produce 82.5 and 66 megawatts, respectively. These projects are expected to bolster activity in the local economy, providing jobs for those that need them and reducing the country's need for foreign sources of energy. Enel Green Power has also been awarded a contract to build an 82.5 megawatt solar energy project, but construction on this project has not yet begun.

South Africa Continues To Pursue Various Types Of Clean Energy

South Africa is home to a great deal of solar energy potential. The country's exposure to solar radiation means that it could see significant economic benefits by focusing its efforts to support this form of renewable energy. The country is currently developing several clean energy projects in order to reduce its energy expenses and achieve its sustainability goals in the relatively near future. Among the forms of clean energy that South Africa is supporting, fuel cells have gained a significant degree of support.

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