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SOLAR FAQs

Frequently Asked Question Related To Solar

How much does a Solar PV system cost?

Solar PV system costs vary depending on the size of the system. On an average, an on-grid system of a size up to 10kWp costs Rs. 50-74/Wp, between 10 – 100 kWp costs Rs. 35-50/Wp and above 100KWp costs Rs. 34-36/Wp systems.

For utility-scale solar projects, costs can be even lower than Rs. 30/Wp. However, for off-grid systems with battery backup cost goes up significantly and lies between Rs.100 -125/ Wp.

To Determine the system size and cost most relevant to you, run the MYSUN Solar Calculator now!

How does this upfront system cost translate into per unit cost of power?

It makes sense to evaluate your upfront system cost by converting it into Rs/ kWh (per unit cost) also known as levellized cost. That helps you compare the cost of your solar power with that from the grid.
Illustration for an average residential customer in Delhi:
A 2kW Solar PV system costs around Rs 1.4 lacs and has a life of at least 25 years with low recurring costs. This translates to a per unit levellized cost of Rs7 – 8 /kWh for the next 25 years

Lets compare this with the cost of grid power. The discom charges him slab-wise but on an average he pays Rs 7.3/kWh. And this price keeps increasing by about 5% per annum, which means you may be paying Rs 24.7/kWh at the end of 25 years. This translates to a per unit levellized cost of approx. Rs   10 – 11/kWh when compared with the 25 year life of Solar PV system.

At what price can I buy solar power under RESCO model?

If you do not own a Solar PV system and just buy solar power from a developer, the per unit cost will be higher as the developer will add his expenses, profit margin, cost of risk, etc. over and above the cost of the Solar PV system. Therefore your cost per unit of power under the RESCO model will always be significantly higher than the cost per unit when you own the Solar PV system.

RELATED QUESTIONS

01

Which is better for me - Buying a Solar PV system or buying solar power?

02

What would be the yearly recurring costs for a solar PV system?

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