Though panels comes with 25 years of warranty still, one of many installations or some early installation version, Or even sometimes there are environmental or natural effects that might require replacement. Disposing those waste is at times becomes so hazardous. So you can be aware of the right way to send them back.
t is a criminal offence to dispose of solar panels or batteries as part of the household waste, or even worse, just dump it in the open countryside. As all solar components and batteries have an individual product code, it is usually very easy to trace the original owner. Because they contain valuable materials as aluminum, lithium, silver or glass. These regulations clear the way the old components have to go after their use.
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ucture is often different for different types of solar cells or for different applications. For example, amorphous silicon solar cells are often encapsulated into a flexible array, while bulk silicon solar cells for remote power applications are usually rigid with glass front surfaces.
Module lifetimes and warranties on bulk silicon PV modules are over 20 years, indicating the robustness of an encapsulated PV module. A typical warranty will guarantee that the module produces 90% of its rated output for the first 10 years and 80% of its rated output up to 25 years. A third party reinsurance company ensures these warranties are valid in the event the manufacturer goes bankrupt.
The front surface of a PV module must have a high transmission in the wavelengths which can be used by the solar cells in the PV module. For silicon solar cells, the top surface must have high transmission of light in the wavelength range of 350 nm to 1200 nm. In addition, the reflection from the front surface should be low. While theoretically this reflection could be reduced by applying an anti-reflection coating to the top surface, in practice these coatings are not robust enough to withstand the conditions in which most PV systems are used. An alternative technique to reduce reflection is to "roughen" or texture the surface. However, in this case the dust and dirt is more likely to attach itself to the top surface, and less likely to be dislodged by wind or rain. These modules are not therefore "self-cleaning", and the advantages of reduced reflection are quickly outweighed by losses incurred due to increased top surface soiling.
In addition to its reflection and transmission properties, the top surface material should be impervious to water, should have good impact resistance, should be stable under prolonged UV exposure and should have a low thermal resistivity. Water or water vapor ingress into a PV module will corrode the metal contacts and interconnects, and consequently will dramatically reduce the lifetime of the PV module. In most modules the front surface is used to provide the mechanical strength and rigidity, therefore either the top surface or the rear surface must be mechanically rigid in order to support the solar cells and the wiring.
There are several choices for a top surface material including acrylic, polymers and glass. Tempered, low iron-content glass is most commonly used as it is low cost, strong, stable, highly transparent, impervious to water and gases and has good self-cleaning properties.
Solar radiation is defined as the radiant energy emitted by the sun from a nuclear fusion reaction that creates electromagnetic energy.The spectrum of solar radiation is close to that of a black body with a temperature of about 5800 K. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other half is mostly in the near-infrared part, with some in the ultraviolet part of the spectrum. To know more about What Is Solar Radiation you can visit Wikipedia, here is the link for your futhere reading 
Solar radiation is variable based on locality and it is not same across all the cities in Asutralia. So, it is important for you to consulat with a solar energy professional to know the exact solar radiation in your locality. We, Solar World is always here to help you with your all kind of solar energy related consultation. Please feel free to request obligation free solar system assestment and solar price quote from Solar World, just call us at 
The Figure here shows daily peak sunlight hours in Australian cities and it is important to know daily peak sunlight hours in your locality to determine your expected system output. This this will also help you figureout how log it will take for you to get back your solar system investment or to calculate your return on investment on solar system. We always recommend to research on all the facts and figures related to solar system and that's why we offer obligation free professional solar system consultation. Feel free to call us at 1300 131 989 Or, you can request for an obligation free consulation through our website. Just clink here Request Consultation and one of our friendly solar energy consultant will get in touch with to help you with all the information that you need before going for solar system.
PV Solar module depends on both the power contained in the sunlight and on the angel between the PV Solar Module and the Sun. When the PV Solar module is perpendicular to the sunlight then the power density will be maximum. The power density of a fixed pv solar module is always less than the sunlight as the sun is shifting consistently and the surface is fixed.
The equations of Smodule, Shoriz and Sincident are:
