SOLAR PHOTOVOLTAIC
Solar PV (photovoltaic) uses energy from the sun to create electricity to run appliances and lighting. PV requires only daylight, not direct sunlight to generate electricity and generate power on a cloudy day.
Solar energy in the UK and Ireland is far greater than most people imagine. In the summer, when items such as car bodies are often too hot to touch, we become aware of the sun's heat. However, even in the spring and autumn and on clear winter days we receive very useful amounts of solar energy. By tilting a surface to an angle the amount of solar radiation falling on it will be greater than that falling on a flat surface in this country. Fortunately, the average tilt of a house roof is about the optimum for receiving solar energy.
The PV cell consists of two layers of silicon. When light shines on the cell it creates an electric field across the layers causing electricity to flow. The greater the intensity of the light, the greater the flow of electricity.
Is it suitable for you?
You can use PV systems for a building with a roof or wall that faces within 90 degrees of south, as long as no other buildings or large trees overshadow it. If the roof surface is in shadow for parts of the day, the output of the system decreases.
Solar PV Savings
PV technology has many benefits. It’s a quiet, clean source of energy requiring minimal maintenance, and lasts for decades. It is not only competitive with other sources of energy in terms of costs, but directly contributes to reduction in greenhouse gases.
As the PV module produces electricity you can be rewarded by exporting excess electricity to the national grid which acts as your battery bank. When you do not require the electricity produced the PV electricity is exported, if you require more electricity than the PV module is producing you can import electricity from the grid.
FIT's ( feed-in Tariffs ) agreements are currently for 25 years and offer .431p pKwh for current installations. As an example a 3kW system will produce on average 2640kWh per annum which in monetary terms means a payment of £1137.80 each year for 25 years. Any additional energy created is exported back to the grid and a further minimum payment of .3p will be paid direct to you. Add to this the savings made from not buying your energy from power companies and the return of investment increases. On average a photovoltaic system will return around 9% Tax FREE on your investment, while reducing your carbon emissions by up to 1.4 Tons per year.
Please note that you will be paid .431p pkWh regardless of whether you use the energy you create for your own personal use or not.
Please contact Ventus Green Energy for further details.
Bp Solar & Kyocera
KYOCERA
Founded in Japan in 1975, Kyocera laid the foundation for succesful investigation and utilisation of solar energy. As a world leader in photovoltaic technology they are always on the cutting edge of technology and are producing modules with a 3% higher efficiency than any of it competitors. Kyocera carries out all production steps independantly without the need to purchase any semi-finished products allowing them 100% control of every aspect of production. Shot-term and long-term tests are carried out in order to ensure trouble-free operation over the entire service life of the installation. The modules' resistance to vibrations is tested as well as computer aided analysis of the effects of temperature deviations on the installed module.
The efficiency of modules depends greatly on the level of reflection at the cell surface. It determines how much light reaches the active layer. With an "ion etching process " developed by Kyocera, a pyramid-like roughening of the surface is carried out on the micron-scale, causing multiple reflection of light and thus increasing the yield.
The black anodised aluminium frame with an additional coating ensures extremely high corrosion resistance and a long service life. Together with the dark blue cells, it lends an attractive appearance to the roofs on which it is installed. The frame is so stably constructed that there is no need for additional bracing on the rear of the module leading to weight savings.
BP GROUP
In 1988 the BP Group set itself the aim for the year 2010 of reducing its own greenhouse gas emissions by 10% in comparison with 1990 levels. This objective was achieved in 2001. BP modules incorporate an anti-reflective glass coating (ARC) which can obtain 4% more energy than the use of traditional glass, which means that for the same price, greater benefits and a faster return of investment can be obtained. BP is the fourth largest global company and aspires to be one of the great world energy companies with a future that is sustainable over the long term.
BP have been manufacturing solar wafers, cells and modules for more than 35 years. All modules are factory tested and classified such that measured power is greater than nominal to take into account the LID effect. This means extra kWh produced in the field. High transmission ARC glass and enhanced design push the laminate to the front, maximising energy production and reducing dirt accumulation and soiling losses.
The aluminium frame has a rounded profile for better handling and comfort and is optmized for use with ant-theft bolts to increase security. It can withstand heavy snow loads (5400pa-540kg/m2) even in end mounting. Improved integraBus technology ensures reliable cable management while positioning the bypass diodes and junction box away from the cells ensuring cooler operation and greater energy production.
Both Kyocera and BP solar modules come with a minimum 20 year performance guarantee, ensuring trouble free non-carbon energy production as well as many years of income generation.
Wind Turbines
Award winning range of wind turbine products
SOLAR THERMAL
Heat your hot water alongside your conventional water heater
Solar Photovoltaic
Use energy from the sun to create electricity to run appliances
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