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Basically, the ‘Green Energy’ idea is how our everyday needs are supplied by natural resources such as wind, tides and even geothermal heat. Collectively they are thought to be ‘Green’ because they are ecologically sound and easy to replace. The older energy skill sets have had value for years, especially when we think of wind power and windmills. However, it is the result of eco-efficient and planet friendly options that this process is maintained.

Solar Thermal and Solar Water Heating Collectors are examples of what can be used in your house as part of renewable energy technologies. Equally there is electricity that is generated through roof-installed panels. Following on from this is a process known as Biomass Energy – which includes Boilers burning wood and other fuels. There is also the ground heat from the Sun – now known as 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. Initially, there is the process of obtaining hot water from the Sun via Solar Water Heating Collectors. Additionally, there is the method of converting solar radiation into electricity known as Photovoltaic – or simply 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.

With Solar Power being so common within the UK, it’s Solar Water Power that is most often used. 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.

Biomass Energy Systems – Including all natural energy forms derived from plant and animal products – such as wood, straw, poultry litter and ‘energy crops’. Considering its ability to produce energy in the form of heat and electricity, this type of energy is extremely flexible. 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. It should be borne in mind that the whole process is designed to produce energy without an impact on CO2. Having a tree planted in place of another (that is felled for energy production) helps overall.

To meet the need, fast growing trees, known as Short Rotation Coppice (SRC) are utilised. Perennial grasses are also responsible for large quantities of dry matter. Within this process also sits the lesser known Agricultural and Municipal Wastes. To begin with, Agricultural Waste is often produced as part of the agricultural process overall. However, waste derived from food or wood is another biomass entity – called Municipal Waste.

Geo-Thermal Energy Based Systems – By naturally heating the Earth, the Sun has the potential to generate both warm water and electricity. Within the UK, the constant ground source heat temperature is around 12 degrees centigrade – and can be utilised to both heat and cool buildings. Heat pumps are recognised as a very good form of power generation, generally giving back four units of energy for every one used. 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: The use of wind as a source of energy has been going on for thousands of years, especially in milling grain and pumping water. More recently, there has been the desire to deliver the energy created to the home – or to a local power grid. With regard to wind generation, it is the UK that has the highest production within Europe. Although we only utilise 1 percent of the current electricity capability from wind – we do have the ability to create 10 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. The financial recovery process takes around 6-9 months.

Last of all there is Hydropower – an area of especial importance to the UK. 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. The important thing is that, without having to rely on water storage, the turbines can generate electricity. ‘Micro-Hydro’ however utilises old outdated sluices and dams. This process alone could meet 200mW of the UK requirement. Between 200 pounds and 3k per KW of energy output, is a good estimate of the overall cost of a project such as this.

The demand on ‘Green Energy’ continues to develop – in light of the energy demands worldwide. The UK remains one of the main beneficiaries of this technology.

With the bulk of development work in the domestic area, both Plumbers and Electricians are set to capitalise in this area. It is the political view of this type of energy generation that results in grants and financial aid becoming ever-more prevalent. It is by gaining the right certificates that will provide opportunities and job security for the long term. You could consider either plumbing or electrical training programs that highlight green installation.

Written by Scott Edwards. Try electricianqualification.co.uk/Green-Engineer-Certification.html or Renewable Energy Certification.

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