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In a nutshell, ‘Green Energy’ utilises natural resources such as sunlight, wind, tides and geothermal heat to provide our daily energy requirement. They’re all considered naturally able to replenish – and thereby ‘Green’. It is easy to think that we may be travelling back in time when we think of items such as wind power and windmills. Generally, this is the result of using up to date ideas, specifically those that are planet friendly and eco-efficient.

It is the use of simple renewable energies such as Solar Thermal and Solar Water Heating Collectors, that suits the home environment. It is equipment such as Photovoltaic Panels (PV’s) that develop electricity through suitable roof-panels. Equally important is that of Biomass Energy – which includes Stoves, Fuel, Pellets and Boilers burning Wood. Then we have the ancient energy of the Sun and the heat that comes from it – now called Ground Source Heat Pumps. Considering items such as Wind Power and Hydro Turbines, we are finally getting to very old forms of energy production.

Solar Thermal Energy – By using different technologies, Solar Energy is effectively made up of two types of solar panels. As a first strategy, we have Solar Water Heating Collectors – which basically creates hot water from solar energy. Added to this is the generation of electricity from solar radiation – known as Photovoltaism, or more commonly Solar Electrical panels. To get the best results these panels need to be south facing at an angle of around 30 degrees from horizontal, and away from blockages.

As a result, Solar Water Power is often considered the most common form of Solar Energy in the UK. Solar Water heating systems can meet the need for more than half of all hot water needs in the domestic market. The average cost of installing this type of equipment is expected to range from 500 to 1500 pounds for a DIY system, through to 2-5k for a professionally installed system.

Systems Utilising Biomass Energy: This term encompasses all forms of natural products – such as plant and animal material. It is extremely useful – in that it can produce a range of power sources, including heat and electricity. The ability to generate electricity is one of the UK’s main green strengths – as it has one of the larger Biomass legacies within Europe. One of the main factors of this style of energy is the result without the impact on C02. With a new tree being planted as each is felled, you can see how the C02 produced during heating is minimised – and why the system is deemed sustainable.

Within this field is the need for the use of ‘Energy Crops’, such as fast growing trees, e.g. Willow and Poplar or other entities grown on a Short Rotation Coppice (SRC). Also producing high yields of dry matter are the perennial grasses. Other less known materials within this field are Agricultural and Municipal Waste. One natural offshoot of agricultural work is Agricultural Waste. Because it comes from food or wood, Municipal Waste is also considered a useful biomass product.

Systems Using Geo-Thermal Energy – The constant energy of the Sun heating the Earth results in both warm water and electricity being produced. Within the UK, the constant ground source heat temperature is around 12 degrees centigrade – and can be utilised to both heat and cool buildings. Generally, items such as Heat Pumps are thought of as very effective, as they produce four units of energy for every one that is used for generation. By using energy from solar electrical panels or wind turbines to power them, heat source pumps can be almost 100 percent renewable in energy production.

Wind Energy – An Update On Old Technology: When you consider the milling of grain and pumping of water, it is easy to see how long wind energy has been with us. Whether to your home or to a local grid, when the energy has been generated it must be delivered to a point of usage – and cannot be stored. The UK is considered as one of the best sources of wind generation within Europe. For the fact remains that, within the UK, we have the ability to generate 10 percent of our requirement from Wind Production – as opposed to the current value of only 1 percent. Frankly, electricity can be realised from as little as 2p per kWh – as opposed to the current level of 2-10 p per kWh. Due to this, we are looking at 6-9 months in total to cover the costs.

Then there is Hydropower – something within Europe that the UK excels in. Although new in its approach, the act of harnessing energy from water has been going on for a long time. That said, this type of energy can generate around 2 percent of the total electrical demand for the UK.

A hydropower system transforms the kinetic energy of the moving water into another type of energy by means of a turbine. By using a dam or a natural river drop, these turbines do not require water storage. It is by using the eroded national distribution systems, that allows for outdated sluices and dams to be used by techniques known as ‘Micro-Hydro’. Having said that, this process could still generate 200mW of the National Capacity. The capital cost of installing a micro-hydro system can run between 200 and 3000 pounds per kW of energy output.

The demand on ‘Green Energy’ continues to develop – in light of the energy demands worldwide. The UK is very well placed to provide most of the schemes set out above, and the UK domestic market again is one of the key beneficiaries of this technology.

Once again, it is the Electrician and Plumbing trades that are set to capitalise on the domestic installation process. Grants and financial aid is also set to increase within the EEC and the UK – as ‘Green Energy’ gets ever higher status. This is a new industry – but getting the right certification can only improve job security and opportunities for the future. Look for combined electrical and plumbing training, with a key emphasis on practical green systems and installation.

Copyright 2009 S. Edwards. Look at Solar Energy Training or electricaltrainingcoursesgb.co.uk/SolarEnergyCourses.html.

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