It is the use of tides or wind to deliver our daily energy needs that form 'Green Energy'. They are thought to be 'Green' due to the fact that they are easily restored and natural. Often by going back in time we see the value of wind power and windmills as modern energy sources. Regardless of this, we are mainly talking about using modern techniques to offer planet friendly and eco-efficient solutions.
Solar Thermal and Solar Water Heating Collectors are examples of what can be used in the house as part of renewable energy technologies. Following on it is items such as the Photovoltaic Panels (PV's) that develop electricity through suitable roof-panels. Another key element is that of Biomass Energy, which relates to Stoves and Boilers burning Wood, Fuel and Pellets. There is the old heat from the Sun now known as Ground Source Heat Pumps. When we think about Wind Power and Hydropower we have two of the more habitual forms of energy generation.
For those wanting to train in this area we will expand on each section and cover off some of the skills required. Thinking about the issues already, this is definitely of interest to those in the field namely Plumbers, Electricians and Gas engineers. Checking out the pages on Electricity, Green and Plumbing careers would also help gather as much information as possible. CTRL-D this site now so that you can come back later and look at the links and adverts of relative training providers.
Thermal Solar Energy Systems: This technology is based around two core types of knowledge to achieve the results known as Solar Energy. First, we have Solar Water Heating Collectors, which absorb energy from the Sun and transfer this into hot water. Whereas Solar Electrical panels or Photovoltaic heat collectors transfer solar radiation into electricity. Obviously situated away from blockages such as chimneys these Solar Panels basically need to be mounted on south facing roofs at an angle of 30 degrees from the horizontal.
For the UK this is often considered the most popular form of 'Green Energy'. With the ability to provide almost half the annual need for hot water in the house then Solar Water heating systems is very important. The cost of fitting depends on whether you do it yourself - 500 to 1500 pounds or whether you get a professional fit in which it will cost between 2-5k overall.
Biomass Energy Systems - Includes all natural forms derived from plant and animal products such as wood, straw, poultry litter and 'energy crops'. It's the ability of this power source to generate diverse forms of energy such as heat and electricity that makes this so adaptable. It is a useful point to make that the UK is one of the major producers of Biomass fuels within Europe. It should be borne in mind that the whole process is designed to produce energy without an impact on CO2. That being said the process where each tree felled is replaced by another helps to reduce the overall effect on C02 as a part of energy produced.
By the growth of Short Rotation Crops (SRC) the UK is able to maximise the 'Energy Crops' return against the plant production overall. Of equal importance is the production of perennial grasses because of their yield of dry matter. Whilst Agricultural and Municipal waste may appear lesser known they are essential to the whole process. Agricultural Waste is commonly formed as a by-product of traditional work in agriculture. Because it comes from food or wood Municipal Waste is also considered a useful biomass product.
Systems Based On Geo-Thermal Energy: Used in the generation of warm water and electricity this energy mainly comes from the Sun and heats the Earth. Having a consistent ground temperature of around 12 degrees centigrade is fortunate for the UK as it allows both the heating and cooling of buildings. With four units replaced for every one unit of energy used these heat pumps are very effective. This system can go even further if energy efficient items such as wind turbines or solar electrical panels are used.
Systems Based On Wind Energy: As an energy source wind energy has to be one of the oldest forms of energy creation in history. Whether to a home or local grid when the energy has been generated it must be delivered to appoint if usage and cannot be stored. The UK alone is considered 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 1 percent. Instead of producing electricity at a rate of 2-10p per kWh we could be generating at 2p per kWh. Because of this it is estimated that it takes between half a year to three quarters of a year to cover the costs.
Within the UK, Hydropower is an energy process that suits the energy generation model. The ability to utilise energy from moving water, much like wind power, has been going on for thousands of years. That said, this type of energy can generate around 2 percent of the total electrical demand for the UK.
By using a turbine a Hydropower system can transfer the kinetic energy of moving water into another form. By using a dam or a natural river process these turbines do not require water storage. Alternatively 'Micro-Hydro' systems use hitherto outdated sluices and dams to generate electricity. This process alone could meet 200mW of the UK requirement. When considering the install cost of items such as this it is worthwhile to think about the return which rests somewhere between 200 pounds and 3k per kW of energy created.
It can be seen that the route to 'Green Energy' is growing considerably, especially in light of the need for increasing energy outputs throughout the Western World. To be fair, the UK domestic market is leading the resurgence with the variety of schemes detailed above.
With the rise in demand for domestic installations both Electricians and Plumbers are well placed to take advantage of this technology. Not only in the EEC but also in the UK 'Green Energy' is rapidly gaining ground as the way forward and a range of financial incentives are in place to support this. It is by gaining the right certificates across the board that will help opportunities and job security for the long term. To that end it may be worth thinking about combined training where you can get plumbing or electrical training along with green knowledge.
Copyright Scott Edwards. Try Green Certification or Solar Training.
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