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Where Does Green Energy Comes From?

Green energy: when you think about it, what does that actually mean? What types of energy generation count as being green and what exactly are they.

Well, this article looks very briefly at the major sources that do not simply come from burning coal in a power station as non-green energy, and therefore the majority of energy, comes from.

Wind power is a renewable energy source. This is harnessed through the use of wind turbines which use the energy of the wind to turn the blades and then to generate electricity through the resulting energy of that movement.

Solar power is a well known form of renewable energy. It uses sunlight to get electricity and works even when it is cloudy, although generation rates are lower in those conditions.

Hydro power refers to water power and this is less known than the other two, perhaps. Water turbines however have been around for around 100 years, and they actually provide about 1% of the UK's electricity.

Wave power is another source of green energy, again the energy that is in the waves can be harvested to produce electricity. Tidal power works along the same lines and has the benefit of being very predictable: we know exactly what tides will do, unlike whether we know if the wind will blow or whether it'll be a sunny day.

Still otehr sources are geothermal energy - using the heat of rocks underground to make energy. Or biomass, plants that can be used as fuel for certain power stations. There is even gas created at landfill sites, called landfill gas, which tends to be methane gas, and that can be captured and burnt.

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