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Net Metering

Net Metering System Workflow
// Smart Billing Infrastructure

What is Net Metering?

Net Metering or Net Energy Metering (NEM) is an electricity billing mechanism that helps calculate the electricity bill of customers who generate electricity from their solar power system.

This process allows you to buy and sell electric units at the same price. If you are looking for an on-grid or hybrid solar power plant, you must install this device to calculate your electricity bill accurately.

What Are the Advantages of Net Energy Metering?

Here are the advantages of the net energy metering process:

Electricity Bill Reduction

The net meter calculates the electricity transaction in a bi-directional way. It can calculate both electricity transferred to grids and electricity used from grids. Using the net meter & net energy measurement, your DISCOM will provide you with a reduced electricity bill.

No Battery Requirement

In an off-grid solar plant, you need to buy solar batteries which are costly and require complex maintenance. However, in an on-grid system, the net meter replaces the requirements of solar batteries and supplies the extra electricity directly to the grids.

No Maintenance

Compared to solar batteries, a net meter requires low maintenance in terms of effort and cost. The net metre requires an installation fee but it does not require much maintenance hassles and can work flawlessly for a long time.

How Does a Net Meter Work?

The net metering system works only for on-grid solar power plants. This system is not available in the regular metre. Therefore, bidirectional metering requires a special metre called, ‘Net Metre’.

This net metre is a bi-directional metre which keeps the account of both the import of electricity from the grid and the export of your solar panel-generated electricity to the grid.

In other words, it calculates how much electricity your home has consumed and how many units your solar system has supplied to the power grids.

In a net energy metering system, your final electricity bill will be the difference between the electricity consumed and the electricity supplied.

Engineers setting up Net Meter hardware

Electricity Bill Calculation in Net Metering Process

The billing calculation formula is very simple. Here is the formula to calculate the electricity bill of a consumer having an on-grid solar power plant:

Net Electricity Consumption = (Import from Grid Electricity – Export of Solar Generated Electricity)

Here is an example of the electricity bill calculation process in this method:

Billing Parameter Energy Metrics (Units / Cost)
Total electricity consumed in a billing cycle250 units
Total electricity exported in a billing cycle200 units
Net units consumed in the billing cycle(250 – 200) = 50 units
Final electricity billRs. (50 x cost of 1 unit)

Cost of Net Energy Meter Installation

The cost of net meter installation varies between Rs. 8,000 – Rs. 30,000. If you want to complete this meter installation, you need to apply to your DISCOM and have to pay the installation fee.

Note- The final price will depend on your DISCOM as they can only provide net metering installations.

How Solmetry Can Help You in Net Metering

Solar power net meter installation is not easy if your solar system installer does not provide all the required documents on time. If they delay the application process, it will take more time to activate the solar plant.

At Solmetry, we and our solar installation partners promise to provide the required documents for net meter installation on time.

Additionally, our expert energy advisor will guide you in the process & our installation partner will also help you if you cannot do it on your own. To get guidance along with the best price, contact Solmetry immediately!

Checklist for Net Meter Approval

Check this table to see the documents required for net metering approval:

Document Title Description Requirement
Online or Offline Application FormComplete the application form as per the regulatory state utility guidelines.
Property Ownership ProofValid legal documents that formally verify ownership of your property.
ID ProofValid government identification document (e.g., passport, ID card, Aadhaar card).
Copy of Last Electricity BillA recent historical bill to confirm your current consumer connection status and electricity usage.
Photograph of ApplicantRecent passport-sized clear photograph of the primary account applicant.
Project Report of Solar Power PlantA detailed engineering structural report that describes the solar power plant layout setup.

Note- You may have to submit other documents if asked by the authority

Cost of Net Energy Meter Installation

The cost of net meter installation varies between Rs. 8,000 – Rs. 30,000. If you want to complete this meter installation, you need to apply to your DISCOM and have to pay the installation fee.

Note- The final price will depend on your DISCOM as they can only provide net metering installations.

How Solmetry Can Help You in Net Metering

Solar power net meter installation is not easy if your solar system installer does not provide all the required documents on time. If they delay the application process, it will take more time to activate the solar plant.

At Solmetry, we and our solar installation partners promise to provide the required documents for net meter installation on time.

Additionally, our expert energy advisor will guide you in the process & our installation partner will also help you if you cannot do it on your own. To get guidance along with the best price, contact Solmetry immediately!

Checklist for Net Meter Approval

Check this table to see the documents required for net metering approval:

Document Title Description Requirement
Online or Offline Application FormComplete the application form as per the regulatory state utility guidelines.
Property Ownership ProofValid legal documents that formally verify ownership of your property.
ID ProofValid government identification document (e.g., passport, ID card, Aadhaar card).
Copy of Last Electricity BillA recent historical bill to confirm your current consumer connection status and electricity usage.
Photograph of ApplicantRecent passport-sized clear photograph of the primary account applicant.
Project Report of Solar Power PlantA detailed engineering structural report that describes the solar power plant layout setup.

Note- You may have to submit other documents if asked by the authority

Process of Net Meter Installation

Follow this sequence mapping structure to learn the steps of net energy metering field installation:

Step 1
01

DISCOM officials visit your location and complete further baseline infrastructure steps.

Step 2
02

They fill up form 15 with the accurate physical metre identification number and consumer account details.

Step 3
03

DISCOM officials replace your old unidirectional traditional meter directly with the new bi-directional net metre hardware.

Step 4
04

The old legacy mechanical meter is safely decommissioned and transferred into a new designated secure metre box enclosure.

Step 5
05

The brand-new net metre hardware links up directly to your active structural rooftop solar power plant inverter circuits.

Step 6
06

Once the system is successfully connected, it starts generating electricity and measuring bi-directional offsets dynamically.

FAQs about Net Metering in India

The concept of net energy metering and net billing are almost the same. In the net billing system, the value of exported electricity is considered lower than the imported electricity. In this method, these costs remain the same.

Primary benefits include cross-offsetting total generation units 1:1 against consumption directly on your power bill, eliminating expensive off-grid physical chemical storage battery array costs, and ensuring long-term asset stability under automated utility exchange frameworks.

**Net Metering** lets consumers consume their self-generated solar energy first, exporting only the leftover surplus units to the utility grid, significantly lowering retail billing parameters. **Gross Metering** treats total output production independently, selling 100% of generated units to the utility under fixed feed-in tariffs while buying regular power back at standard commercial retail pricing lines. For standard consumer layouts, net metering is far superior.

Implementation relies completely on the physical approval, field audits, and timeline distribution constraints managed by local utility DISCOM networks. Uncompensated surplus units can cap out periodically based on local historical state renewable policy thresholds.

Consumers routinely drop monthly grid transaction expenses **by up to 90% – 95%** under maximized grid alignment setups, depending completely on roof space scale parameters, historical consumption curves, and sunny weather profiles.
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