▪How solar panels work:
⁃solar panels are mounted on roofs and wired into a building via inverter
⁃the inverter converts the direct current (DC) energy created by solar panels into Alternating Current (AC)
⁃The AC Current can be utilized by various electrical appliances in a house
▪What to look for before installation:
•available sunlight
•installation space
•local permits
▪is there any other option to capture energy from the sun
⁃solar panels are stand alone structures well matched for retrofits or remodels.
⁃Those planning for a new house construction can consider solar photovoltaic cells.
⁃These are incorporated into walls, windows or roof tiles
▪Solar reduces electricity costs long term
⁃during hours of peak electricity demand, utilities charge a premium rate for electricity. as more solar capacity is added, wholesale prices are reduced during peak hours.
⁃An oft-repeated myth is that solar is raising costs for consumers. But where is the money going? Data from Germany shows that most of the subsidies flow on to households, business owners and farmers.
▪Solar generates a net surplus of energy
⁃A certain amount of energy is required to produce a solar installation.
⁃A large installation ‘pays back’ this energy debt in 1.5 to 2.5 years and generate 10 to 20 times this amount of energy in its lifetime.
⁃One persistent myth is that solar requires more energy to manufacture that it produces. Although true in the 1970s when the technology was in its infancy, this has been untrue for decades.
▪Solar still works on cloudy days
⁃it has been shown that some solar modules are actually more efficient in low light conditions.
⁃One well worn myth is that solar does not work in cloudy conditions. On the contrary, on a cloudy day a solar system will produce about half of what it does on a sunny day.
⁃Actually, many countries with cloud cover like China and Canada are embracing solar energy.
▪Enough sunlight falls on the earth in just one hour to meet world energy demands for a whole year.
▪California produces more geothermal, solar and wind power than all other states combined
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To view more visit: https://www.youtube.com/watch?v=T_s8qTKMmGg&feature=youtu.be
Post time: Feb-18-2017