Capacity Wise Savings after Rooftop Solar Panel Installation

Here, we will mention the different amounts of savings using different types of solar system capacities.

1 KW Solar System: An on-grid solar system with 1 kW capacity generates 4 units of electricity per day. The cost of the electricity consumption is around Rs. 8/unit. The total savings for a month will be around (4 x 8 x 30) = Rs. 960. For the whole year, the total amount of your savings would be around (960 x 12)= Rs. 11,520. In 20 years, you will save around Rs. 2,30,400.

2 KW Solar System: Similarly, a 2 KW solar system generates 8-10 units of electricity per day. For the whole month, the savings on the monthly electric bill would be (8 x 8 x 30) = Rs 1920. Then, your savings will be around (1920 x 12) = Rs. 23,040 for one year and in 20 years, you can save up to Rs. 4,60,800.

3 KW Solar System: For a 3 KW solar system, the unit consumption per day is 12 units. In a month, the total savings come to around (12 x 8 x 30) = Rs. 2880. Now the savings for the whole year would be around (2880 x 12) = Rs. 34,560 and your savings will be around Rs. 6,91,200 in 20 years. Not only can you save on your electricity bills, but also on the installation cost. Here is the 3 kW solar panel installation cost with and without subsidy.

4 KW Solar System: A 4 KW solar system generates 16 units per day. So, the total amount of savings for a month would be around (16 x 8 x 30) = Rs 3840 units. And, the savings for one year will be around (3840*12) = Rs 46,080. In around 20 years, you can save up to Rs 9,21,600.

5 KW Solar System: A 5 KW solar system will generate around 20 units per day. The savings for a month would be around (20 x 8 x 30) = Rs. 4800 which will become around (4800 x 12) = Rs. 57,600 for a whole year. In 20 years, you will save around Rs. 11,52,000. Further, you can learn the total installation cost of a 5 kW solar system here to estimate your savings.

6 KW Solar System: For a 6 KW solar system, the unit consumption is 24 units per day. Your savings on your monthly electric bills would be around (24 x 8 x 30) = Rs. 5760. Then, you can save around (5760 x 12) = Rs. 69,120 in one year. Your savings would be around Rs. 13,82,400 in approximately 20 years.

8 KW Solar System: Similarly, an 8 KW solar system generates around 32 units of electricity per day. In one month, you can save around (32 x 8 x 30) = Rs. 7680 which will be around (7680 x 12) = Rs. 92,160 in a year which will be around Rs. 18,43,200 in 20 years.

10 KW Solar System: A 10 KW solar system can generate around 40 units of electricity per day. The savings amount in one month would be around (40 x 8 x 30) = Rs. 9600. In one year, your savings will be around (9600 x 12) = Rs. 1,15,200. You can save up to Rs 23,04,000 in around 20 years.

You can even calculate your savings using the PM Surya Ghar online calculator. You will have to put your average monthly bill, solar panel capacity, sanction load and available rooftop area in that calculator. It will show your amount of savings per year by using a net metering process. Now, let’s delve into the detailed calculation of the savings of different solar panels.

We know that a solar panel has a lifespan of 25 to 30 years. Throughout this timespan, your panel's efficiency rate wouldn't be the same. The degradation rate of the solar panel is 1% for the first year. And from the second year onwards, we can see a decline of 0.5%-0.7% in the rate. So, according to the solar degradation rate, the above-mentioned amount of savings wouldn't be the same. The decrease is negligible but the amounts would be more or less the same.

The amount of Savings During the Solar Installation Using Subsidy

If you are installing a 3 KW rooftop solar system, you have to pay around Rs. 1,90,000-2,30,000 during the solar power installation at home. You will get a subsidy of Rs. 78,000 according to the latest rate provided by the Ministry of New and Renewable Energy. So, the subsidised cost will be around Rs. 1,12,000-1,52,000.

If you want to install a solar system, you must be looking for the best installers near you. Das Energie Private Limited makes this solar installer finding process seamless with its quotation comparison facility. You can get quotations from local installers and compare them side by side to choose the best vendor for you.

Solar panels help us to reduce carbon emissions and save on monthly electric bills. You can get an idea of how much solar panels save as per the above-mentioned calculation. The numbers may vary but it will be more or less the same. So, opting for a solar panel system is very much beneficial for everyone.

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