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In today’s time, solar energy is not only a means of saving the environment, but has also become the most effective weapon to get freedom from huge electricity bills forever. Amidst the increasing heat and electricity becoming increasingly expensive, this question is surely floating in everyone’s mind that by installing solar panels once, can the electricity bill really be zero for the whole life? In this first very important story of our special series ‘Solar Energy-1’, we will try to understand the complete mathematics of this question through experts that for how many years can you get the benefit of free electricity after installing solar panels.
Know the real age of solar panel and expert’s claim
When you install a solar system on the roof of your house, it is not a short-term investment. According to solar energy experts, the average lifespan of solar panels made with modern technology is 25 to 30 years. This simply means that once a solar panel is properly fitted on your roof, it is fully capable of continuously generating electricity from sunlight for the next three decades. The companies also provide a performance warranty of up to 25 years on these panels, which clearly states the guarantee of its long durability.
How many years does it take for your entire expense to be recovered?
Now let us talk about the biggest question that comes in the mind of every common consumer that when will the initial investment be recovered. Experts say that if you install a solar plant of the right kilowatt as per the load of your house, then the entire cost of its initial installation is completely recovered (ROI) within just 4 to 5 years. In all the years after this, the electricity you get is completely free. That is, if your cost is covered in 5 years, then for the next 20 to 25 years you can enjoy absolutely free electricity without paying a single penny.
What is the mathematics of maintenance with free electricity?
Many people think that after installing solar panels, they will have to spend a lot every month on its maintenance, but the reality is exactly the opposite. There are no moving parts in the solar system, due to which there is little chance of breakage in it. All you have to do is wash the dust accumulated on the panels with clean water from time to time, i.e. once a week or two, so that the sun’s rays can fall directly on the cells and the power production is not affected. In return for this simple care, you get free electricity for years without any interruption.