HOW TO WIPE OUT YOUR ELECTRICITY BILL
To completely wipe out your electricity bill, the On-Grid Solar System is your best option. It is the most financially efficient solution because it eliminates the need for expensive batteries, allowing you to maximize every unit of electricity your roof generates through a system called Net Metering.
How Net Metering Works
With an on-grid system, you do not need to match your daily production to your daily consumption. Here is exactly how it balances out:
During the Day
Your panels produce excess power. This surplus is exported directly back to the government utility grid. The grid acts as your giant virtual battery.
At Night
Your panels stop working. You pull power back from the grid exactly as you normally would.
The Monthly Settlement
At the end of the month, your net meter automatically calculates the difference:
If you export more than you import, your electricity bill drops to zero!*(You only pay a nominal fixed meter-rent charge)*
How to Calculate Your Size
To completely eliminate your bill, your system must generate 100% of your average annual power consumption. Use this simple benchmark:
- 1The Generation BenchmarkIn India, 1 kW of solar panels generates roughly 4 units (kWh) of electricity per day (or ~120 units per month).
- 2The Required Roof AreaYou need approximately 70 to 100 square feet of shadow-free roof space per 1 kW of installation.
Finding Your Target:
Look at your last 12 months of electricity bills, find the average monthly units (kWh) consumed, and divide that number by 120. That is the kW capacity you need.
System Sizing Table
| Your Monthly Bill | Required Capacity | Required Roof Area |
|---|---|---|
| ~360 Units | 3 kW System | ~250 sq. ft. |
| ~600 Units | 5 kW System | ~450 sq. ft. |
| ~1,200 Units | 10 kW System | ~900 sq. ft. |
Checklist to Reach a ₹0 Bill
1Check Feasibility
Ensure your roof has unshaded sunlight from 9:00 AM to 4:00 PM. Shadow on even one panel can drop the entire array's performance.
2Apply for Net Metering
You must apply through your local electricity distribution company (DISCOM). They will inspect your setup and replace your old meter with a bi-directional net meter. Our team handles this paperwork for you.
3Check for Subsidies
Look into national portal schemes (like PM-Surya Ghar: Muft Bijli Yojana) which offer heavy financial subsidies for residential on-grid systems up to 3 kW, significantly shortening your payback period.
4High-Efficiency Panels
Use Monocrystalline or TOPCon panels. They generate more power in low-light or cloudy conditions, ensuring your generation targets are met even during monsoon seasons.