How to Install On Grid Solar System for Home?

A sanctioned load comes in variety of ranges like 1kW, 2kW, 3kW, 4kW, 5kW, 8kW, or 10kW, but the consumers who are using Air Conditioners in Tier 1 or Tier 2 cities such as Lucknow, Patna, Kolkata, Chennai, Mumbai, Nagpur, Bangalore, Delhi NCR, Chandigarh, Jaipur, Pune, etc.  they have 3kW to 5kW sanctioned load and their electricity bill comes around Rs. 5,000 to 10,000 per month and 1,00,000 to 1,50,000 per year. They are searching for solar solutions to reduce their electricity bills, so here is guide about how to install on grid solar system for home and business? So, let’s read the step-by-step guide:

Step 1: Feasibility Report

how to install on grid solar system

In an on grid solar system installation, the first step is to procure a Feasibility Report which is an approval from DISCOM (Electricity Department). There are over 95 DISCOMs in India such as TNEB, DHVNN, NBDCL, etc. Indian government (MNRE) introduced the ‘National Portal For Rooftop Solar’ to simplify the overall process of installing a rooftop solar system. The consumer can visit the website and submit his request. He/ She will easily get feasibility report within 7-10 days. The consumer will need to input his/ her electricity bill, email id, mobile number, Aadhar card, and some other documents to process the approval. This is an online registration and you do not need to make any payment for the same.

Step 2: Solar Quotation

Once you receive feasibility report by electricity department, then you need a solar quotation from Loom Solar or approved vendors of DISCOMs. In solar quotation, you will know Bill of materials such as Solar Panels, on-grid solar inverter, BoS (Balancing of System) such as Panel Stand, DC Wire, DCDB, ACDB, Earthing Kit, Lighting Arrester, and some installation accessories. You can get also initial investment of rooftop solar. Average price of 1kW on grid solar system is Rs. 60,000 to 80,000 including products, delivery, and installation. Similarly, average price of 3kW on grid solar system is 1,80,000 to 2,40,000 and average price of 5kW on grid solar system is Rs. 3,00,000 to 4,00,000. 

Download 3kW & 5kW On Grid Solar System Quotation  

Step 3: Solar Loan

Many consumers want to install rooftop solar at easy EMI like home, car, mobile, and other products. Now, solar loan is made easy and many banks have started reimbursing solar loans. Loom Solar provides solar loan at lowest interest, for up to 5 years loan tenure and minimum documentation. You can get solar loan amount within 3-7 days and getting sanctioned letter of solar loan, you need to pay 20% to 30% down payment of total solar system cost.

Step 4: Solar Installation

how to install solar panels

When the solar installation company receives the payment, it sends the solar system products to the consumer installation site. The consumer can also opt of solar subsidies. The state government subsidy is flat at Rs. 30, 000 and central government subsidy is 40% for a system less than 3 kW and 20% for more than 3 kW systems.

Step 5: Net Metering

net metering

When rooftop solar system is installed, then the process of Net metering starts. In this process, existing meter is replaced by a new meter which has option to import, export, and net billing. This meter is installed by the electricity department. If you have a smart meter, it can be synchronized into a Net Meter. Please note net metering will be available only on approved panels.

Step 6: Bill Adjustment

bill adjustment

When net meter is installed at your residence/ commercial establishment, you get the new electricity bill after 2-3 months. In your new electricity bill, you will get all information about import from electricity department, export (extra electricity feed to electricity department) and net billing = export – import (actual bill).


To conclude, Loom Solar gives you Site Survey for residential, commercial, and industrial sectors across India for on-grid solar system installation. You will need to book an Engineer Visit from (booking engineer visit), and our engineer will visit your installation area, understand your requirements, and then provide solar solutions at competitive prices.


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Stephanie Sally

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