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Interest in alternative electric energy is growing steadily as more people become concerned about global warming. Alternative electric energy solutions are an attempt to reduce fossil fuel consumption and thus preserve the earth’s natural resources.

Since the industrial revolution, we have placed heavy demand on non renewable resources such as coal, oil, and gas. In some countries deforestation is compounded by people who still use wood for charcoal. This trend cannot continue and massive investment into alternative electric energy is imperative.

Many people think of alternative electric energy as advanced scientific concepts that are too complicated for the ordinary lay man. While many alternative energy systems are indeed high technology, the principle behind most of them is actually quite straight forward. The basic idea is to harness energy sources that are infinitely available or renewable to produce electricity instead of depleting finite sources any further.

There is nothing new about using renewable sources for energy. Many alternative electric energy systems are simply an updated version of old fashioned technology. Sources of energy can be generated using the power of the wind, sun or water.

Windmills used by our predecessors to grind corn or wheat have evolved into the modern wind turbines we see today. Both types of windmill operate on similar principles. Each has large blades that rotate when the wind is trapped in them. The old windmill shafts were connected to a great millstone that would slowly roll as the wind turned the vanes. Newer windmills now turn electric generating turbines instead.

Like wind power, hydro power is an alternative electric energy system that has been around for a long time. Rushing water from rivers was harnessed to turn a wheel that was also connected to a mill. Modern hydro power typically uses the force of water released from a dam to turn the blades of a turbine. Turbines are connected to a generator that produces electricity. Hydro electric power is considered a clean and cost effective alternative energy system for mass usage.

Solar power is an increasingly popular alternative electric energy system that uses the rays of the sun to produce electricity. Solar panels are a very modern creation and perhaps a little more complex in how they work. The sun’s energy is caught up in special photo voltaic cells which converts it into usable energy that can be stored in batteries. Solar power is the alternative electric energy system that is most adaptable for domestic use.

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