‘Net metering’ is sometimes seen in the news in the context of promoting the

1. Production and use of solar energy by the households/consumers
2. Use of piped natural gas in the kitchens of households
3. Installation of CNG kits in motor cars
4. Installation of water meters in urban households

Explanation

Option (a) is correct

• Net Metering is a billing mechanism for grid connected Home Rooftop Solar Installation where the:
  • electricity generated by the solar panels is fed into the utility grid
  • Household draws electricity from the utility grid
  • The household pays only for the difference between the energy units it consumes from the grid and the energy units fed into the grid. This is measured by a bi-directional meter called Net Meter.

Answer: (a) Production and use of solar energy by the households/consumers; Difficulty Level: Medium