Use Solar Panel Output To Save
All over the world, people are being urged to consider harnessing the energy of the sun by using solar panel output to power lighting and electrical appliances in their homes. For the energy utility corporations, encouraging a more widespread adoption of solar technology by householders is likely to reduce the unpredictability of demand on electrical networks and relieve pressure to invest in large-scale new power generating facilities. For householders, installing solar panels is attractive because it saves on energy costs and is an opportunity to become more independent from the electricity grid in addition to reducing their carbon footprint.
The photovoltaic principle is the basis of this technology. When a voltaic cell is exposed to sunlight, there is a chemical reaction that produces an electric current. Each photovoltaic contains semiconductor crystals (usually silicon) that absorb light falling on the photovoltaic cell; the resulting chemical reaction releases electrons that create electrical current as they move within the photovoltaic cell. When metal contacts are attached to a photovoltaic cell, the electrical current is able to power small electronic devices such as clocks, calculators and toys.
The output of a single photovoltaic cell is quite low, but when an array of cells is connected in a panel there is sufficient electrical output to power a small building. The direct current output is passed through a device called an inverter, and is converted into the alternating current that is fed into the building to provide power for the household. Any surplus energy that is not used immediately by lighting and other electrical and electronic equipment can be stored in batteries for later use, or fed into the electricity grid. Government initiatives in some countries offer credits to consumers who sell excess energy from their installations to the electricity network. A domestic installation that is set up to feed surplus energy to the grid will pay for itself within a few years and from that time on will generate income.
The idea of free energy from sunlight appeals to many people, and the possibility of generating income as well as electricity makes green technology a worthwhile investment. Research and development initiatives over the past few years have resulted in panels that are more efficient with photovoltaic cells that use less expensive semiconductor materials; solar power is now much more accessible and affordable for the average homeowner.
Solar panels are a low-maintenance installation: there are no chemicals consumed and no moving parts to wear out. Investment in small-scale domestic energy generation is now a realistic proposition for many. Solar technology is not complicated, and many homeowners build and fit their own solar installations using DIY solar panel kits available from hardware outlets and web stores.
Burning fossil fuels such as coal and oil for the generation of electrical energy is a major cause of greenhouse gas emissions; widespread use of solar panel output for domestic energy needs will help to reduce this environmental damage. If you want to contribute towards a healthier environment as well as saving on electricity costs, consider installing your own green power plant.