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Fossil fuel energy has always been the convention but recently it has started getting depleted. This source of energy is now increasingly getting replaced with renewable sources such as solar or wind power. This is owing to its high demand and shrinking supply. The demand is more than the supply. So much so, that the consumption of energy is outstripping supply. The grid can barely keep up with demand. This has led to a sudden shift towards the alternate sources.
There are several reasons for this increase in popularity for all things solar powered. Beyond the obvious environmental considerations and the privilege of not having to rely on power from a grid that is aging and stretched to capacity, solar is getting cost effective. While traditional energy production gets more expensive, people are making some of the best solar investments.
Solar energy can be tapped in two ways: Active and Passive. Passive solar techniques include selecting materials with favorable thermal properties, designing spaces that naturally circulate air, and positioning buildings to maximize sun exposure. Active solar techniques use photovoltaic panels, pumps, and fans to convert sunlight into electricity.