12 
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What is renewable energy from Renewable Energy Leicestershire?

Posted on Monday, August 12th, 2014

What is renewable energy?

Renewable Energy LeicestershireRenewable energy is just that – renewable! It is a power source that doesn’t get used up or spent. It is a form of energy that naturally replenishes. Some examples of renewable energy are sunlight, wind, hydro (power gained by the movement of water), geothermal (using heat from the earth) and the burning of biomass (living or recently dead things).

Types of Renewable Energy

Sunlight

Sunlight can be turned into energy in a variety of ways. The most common energy form from sunlight is electricity. Sunlight can be converted into electricity by use of solar cells that produce electricity using the photovoltaic effect. There are also solar thermal collectors that heat water for homes or swimming pools.

Wind

Wind can be harnessed to turn windmills or wind turbines. Windmills use the mechanical energy of the wind and turn it to tasks such as grinding grain. Wind turbines produce electricity as they are turned by the wind. A wind farm is a collection of turbines in one area.

Hydro

Rivers, ocean currents and tides can be used to generate electricity by turning turbines. Most commonly, a dam is placed across a river upstream of the generators in order to increase the power of the electricity produced.

Geothermal

In some places in the world, there is an abundance of underground heat that can be harnessed directly to heat homes. This underground heat can also be used to turn water into steam that can spin turbines to generate electricity. In Iceland, approximately 27% of the electricity used is made using geothermal energy.

Burning Biomass

Traditionally, wood is the biomass that has been burned. Trees are a renewable resource because, if managed correctly, they will grow back in time to be used again. Biological rubbish or waste can also be burned. The heat produced can be used for the heating of homes or to heat water, creating steam that turns turbines to produce electricity.

Non-Renewable Resources

Resources that get used up are considered non-renewable. Society today relies heavily on fossil fuels (coal, oil and natural gas) that are non-renewable. Coal is one of the most common fuels burned to produce electricity.

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Published Date: 12th August 2014
Category: General
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