Engineering Board Exam Reviewer · Environmental Engineering · medium

A household uses 300 kWh of electricity per month. If the grid emission factor is 0.7 kg CO2/ kWh, what are its annual CO2 emissions from electricity?

  1. 210 kg CO2
  2. 5,143 kg CO2
  3. 2,520 kg CO2
  4. 25,200 kg CO2

Answer

C. 2,520 kg CO2

Solution

Annual = 300 × 12 × 0.7 = 2,520 kg CO2.

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