Pages

Saturday, 1 September 2012

Solar Electricity and Energy: Lightening the Lives Naturally

If frequent electricity cuts are taking a toll on your blood pressure and cursing the electricity department yields no results, here's a more practical solution. Go solar. Opting for electrification through solar energy will not only ensure you sleep well, but it will also allow you to 'switch off' the problem of interrupted electricity supply. For those considering this seriously, there's help at hand. Rural banks, for instance, are proving to be instrumental in spreading.

Through the centuries, scientists have found innovative ways to harness the electricity of the sun — from magnifying glasses to steam engines. Converting more solar electricity into electricity is high on the political agenda in many places like Melbourne, amid the push to find domestic energy sources that are less polluting than fossil fuels.

Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar energy technologies include solar heating, solar photovoltaic, solar thermal electricity and solar architecture, which can make considerable contributions to solving some of the most urgent problems the world now faces.

Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques in Melbourne, include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.

Treating your windows with the latest techniques is essential. Solar blinds are the perfect option when it comes to beauty and safety. 

In 2011, the International Energy Agency said that "the development of affordable, inexhaustible and clean solar energy technologies will have huge longer-term benefits. It will increase countries’ energy security through reliance on an indigenous, inexhaustible and mostly import-independent resource, enhancesustainability, reduce pollution, lower the costs of mitigating climate change, and keep fossil fuel prices lower than otherwise. These advantages are global. Hence the additional costs of the incentives for early deployment should be considered learning investments; they must be wisely spent and need to be widely shared".

In Melbourne, Solar thermal technologies can be used for water heating, space heating, and space cooling and process heat generation. Solar electricity is the conversion of sunlight into electricity, either directly using photovoltaic (PV), or indirectly using concentrated solar electricity. Concentrated solar electricitysystems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. PV converts light into electric current using the photoelectric effect.Clearly, solar electricity is a more reasonable energy resource. To depend on conventional public utilities and its use of fossil fuels, animal matter, or plant matter is expensive. Common sense tells us there has to be a better way.

The good news is that solar electricity is renewable! In other words, using it does NOT deplete its reserves. In addition, solar energy usage is non-polluting and free. And, unlike oil, solar electricity usage does not emit any greenhouse gases, or increase the risk of an ecosystem disaster.