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Updated 2026India

Net Metering Calculator India 2026 — Calculate Solar Export Earnings

Net metering lets your rooftop solar export excess units to the grid. Your bi-directional meter records import and export, and your bill is adjusted as per your DISCOM’s net metering policy. Use this calculator to estimate exports, credits, and your net bill.

Net metering calculator

State (auto-fills tariff + sun hours)
Monthly units consumed (kWh)
Solar system size (kW)
Peak sun hours/day
Auto-filled from state (editable).
Tariff rate (₹/unit)
Auto-filled from state (editable).
Monthly solar production
417.6 units
Units consumed from solar
300 units
Units exported to grid
117.6 units
Export credit earned
₹582
Assuming 90% of tariff rate.
Net electricity bill
₹0
Annual savings
₹19,800
Before vs after (energy charges estimate)
Before solar
₹1,650/month
After net metering
₹0/month

Note: This estimates energy charges only. Fixed charges, minimum charges, and settlement rules vary by DISCOM and billing cycle.

State-wise net metering policy (quick reference)

StateNet metering limitExport rateDISCOM portal
GujaratUp to 1 MW (policy-dependent)Net metering (≈90% credit here)suryagujarat.guvnl.in
MaharashtraVaries by DISCOMNet metering (policy)mahaurja.com
RajasthanVaries by DISCOMNet metering (policy)energy.rajasthan.gov.in
DelhiPolicy-dependentNet metering (policy)solardelhi.in
KarnatakaPolicy-dependentNet metering (policy)bescom.org
Tamil NaduPolicy-dependentNet metering (policy)teda.in
Uttar PradeshPolicy-dependentNet metering (policy)upneda.in

This table is a quick reference. For official limits and settlement rules, always check your DISCOM regulations and state portal.

Net metering vs gross metering

  • Net metering: your exports offset your imports (as per DISCOM billing rules).
  • Gross metering: your generation is sold at a notified rate, and you buy your consumption from the grid separately.

How to apply for net metering (4 steps)

1

Step 1

Select an approved vendor and finalize system size as per sanctioned load and roof feasibility.

2

Step 2

Apply for net metering through your DISCOM / state portal and submit required documents.

3

Step 3

Install the system and complete DISCOM inspection / meter change (bi-directional meter).

4

Step 4

Commissioning approval is recorded; exports and credits start reflecting in billing cycles.

FAQ

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