Net metering lets a rooftop solar system send extra electricity to the grid and count it against the electricity you take from the grid at other times. A two-way meter records both directions, and your bill is based on the difference.
How does it work day to day?
- During the day, solar power runs your home or business first.
- Any surplus flows to the grid, and the meter records it as export.
- At night, or when solar is not enough, you draw from the grid as import.
- At billing, export is set against import according to your electricity company’s rules.
What equipment is needed?
An on-grid or hybrid inverter that meets grid-connection standards, and a bidirectional (net) meter installed by or approved by your electricity company. Tenzor’s Supernova 1-Phase and Supernova 3-Phase on-grid inverters are BIS registered (R-91022799), including the islanding-protection standard IS 16169.
Why do the rules vary?
Each state’s electricity regulator sets its own net-metering regulations. They can differ on system-size limits (often linked to sanctioned load), how surplus units are settled, application steps, fees and timelines. Always check the current rules with your electricity company, or ask your installer to handle the application.
Is net metering the only option?
No. Some regulations also offer gross metering or net billing, where exported units are paid at a set rate instead of being offset. Larger consumers may use captive or open-access arrangements. Your installer can explain which apply where you are.
FAQs
Do I need a special meter for net metering?
Yes. A bidirectional meter that records both import and export, installed or approved by your electricity company.
Can I use net metering with a hybrid inverter?
Usually yes, as long as the system is approved for grid connection under your electricity company’s rules.