Blog by Sree Karmik

Why Chennai residents should go solar

With soaring electricity bills every year, we all wonder how we turn around this never ending inflation on electricity.

Do we get an un-interrupted power supply off the inflated prices? Here is how going green could pay off, and could be the best investment you could be doing if you have a roof space.

1. Generate your own electricity

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Generating your own power, using solar power systems will make homes self-sufficient and reduce dependence on TNEB. Also with a battery and inverter system say goodbye to voltage fluctuations. With suitable battery back-up these systems can power your homes 24x7, during times of flood, cyclones, load shut-downs, and power outages.

2. Save on EB bills

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On a bi-monthly consumption of 900 units, it would cost households a ₹ 3500 on every bill. With an optimally designed PV system, one could save up to 90% of this cost. Thanks to the soaring power tariffs, there is a ROI of less than 6 years, after which the system supplies electricity free of cost for another 20 years. (Equipment comes with a 25 years power warranty).

3. Geographically advantageous

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With over 330 days of un-interrupted, scorching heat and light from the sun, solar PV panels work almost round the year in the Chennai’s topography. Continued overcast and cloudy days have a marginal impact on the production rate, however in Chennai, we own the sun!

4. It pays for itself

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Many people shy away from solar panel installation due to the high initial capital costs as the equipment and installation can cost a good fortune. Going solar could be done from a smallest scale of installing solar panels and connecting them to your battery inverter at as less a cost of ₹ 30,000 to a custom designed end to end off-grid system that costs around ₹1.5 lakh. From peanuts to pesos the applications are wide ranged. The thumb rule with solar in terms of ROI is, larger the system quicker the return on investment. The “returns” are generally in terms of savings from power bills that is direct, savings from lowering slab of consumption (between 500 units and 501 units of consumption there is a ₹1031 difference in bill.), and the least obvious, savings from soaring power tariffs which is a whopping 8% every year in India.

5. No maintenance & high durability

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The age of solar installation is as high as 25 years and is free of maintenance. Very few repairs and reconstructions are required in years, but, ensure that the panels are cleaned once in a while and are not clouded by trees, get direct sunlight and not damaged.

Given the age of this system, home owners can recover the investment made in it less than six years. After the asset is depreciated or in simpler terms paid for itself, the solar power generated for the next 20 years will be free.

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