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Net metering is an agreement that allows the solar PV system owner to sell excess solar energy to the utility company or buy deficit energy from the utility company using a meter to track this energy exchange.

Following 2 cases take place in this scenario:

Case 1: If at any moment of time, if solar energy generation (kWh) is less than the load requirement at that time, the difference of energy is taken from the main grid and the meter runs forward, as usual. In this case, the system owner is charged for the units (kWh) consumed from the main grid. Eg:- During early morning or during late evening/night.

Case 2: If at any moment of time, if solar energy generation (kWh) is more than the load requirement at that time, the excess solar energy is fed back to the main grid and the meter now runs backward. In this case, the system owner gets credit for the units (kWh) fed back to the main grid. Eg:- During peak sunshine hours (afternoon).

 

UNDERSTANDING THE CONCEPT NET METERING:

  • Solar poweris the conversion ofsunlightintoelectricity usingphotovoltaic (PV) cells.
  • A Solar Panel consisting of Photovoltaic cell converts sunlight into a direct electric current (DC) using thephotovoltaic effect.
  • The Direct Current generated from sunlight further flows towards inverter.
  • The inverter converts the electricity produced by solar array from direct current (DC) to alternating current (AC) for use in home, school or business and measures the energy produced by the solar array.
  • The Bidirectional Meter (Net Metering) indicates energy usage and excess energy produced.
  • Excess energy not used by your home goes back to the electric grid resulting in generating credits at the end of the year.

FEATURES OF NET METERING:-

  • NEM is your gateway to optimizing the rate of return on your solar investment.
  • Financial Credit for Extra Solar Power Produced and Allows customers to zero-out their bills
  • No Battery Storage System Needed
  • No Backup Generator for when Solar Power is Not Available
  • Accurately captures energy generated and consumed, providing customers with annual performance data
  • Net metering can increase the energy in the power grid to keep up with demands during peak times, which is of particular interest to states facing power shortages.

 

ADVANTAGES OF NET METERING:-

  • Most important advantage is that we can inject excess power from the panels to the grid.
  • Net meters also provide information on energy saved by the system.
  • It calculates 'power credits' on power injected into the grid.
  • It reduces the pressure on the grid.
  • Power can be also provided to neighbouring homes.

 

BENEFITS OF NET METERING TO CUSTOMERS:-

  • Allows customers to zero-out their bills
  • Produce more today, use that tomorrow
  • Accurately captures energy generated and consumed, providing customers with annual performance data
  • Helps to optimizing the rate of return on your solar investment
  • It makes the user more conscious of energy usage.