Energy Efficiency and Sustainability

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Questions and Answers

What percentage of global energy consumption is accounted for by buildings?

  • 20%
  • 10%
  • 40%
  • 30% (correct)

Which of the following renewable energy sources is intermittent?

  • Hydroelectric power
  • Wind energy (correct)
  • Geothermal energy
  • Solar energy (correct)

What is the primary benefit of using smart grid technology in energy distribution?

  • Increased energy efficiency
  • Improved energy distribution reliability (correct)
  • Reduced greenhouse gas emissions
  • Lower energy costs for consumers

Which of the following is a common method for reducing energy consumption in buildings?

<p>Replacing incandescent lighting with LEDs (B)</p> Signup and view all the answers

What is the primary advantage of using energy-efficient appliances?

<p>Reduced energy consumption (C)</p> Signup and view all the answers

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Study Notes

Energy Consumption and Buildings

  • Buildings account for a significant percentage of global energy consumption, approximately 30-40%.

Characteristics of Renewable Energy Sources

  • Intermittent renewable energy sources include solar and wind power, which are dependent on weather conditions.

Smart Grid Technology

  • The primary benefit of using smart grid technology in energy distribution is its ability to manage energy supply and demand in real-time, optimizing energy efficiency and reducing waste.

Energy Efficiency in Buildings

  • A common method for reducing energy consumption in buildings is through the use of energy-efficient appliances and lighting systems.

Benefits of Energy-Efficient Appliances

  • The primary advantage of using energy-efficient appliances is that they consume less energy while maintaining their performance, resulting in significant cost savings and reduced greenhouse gas emissions.

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