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Questions and Answers
What are the 3 main factors that should not be compromised in energy efficiency?
What is the relationship between energy saving and energy efficiency?
What is the goal of energy efficiency?
What is the definition of energy efficiency?
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What is the focus of energy efficiency?
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Is energy saving the same as energy efficiency?
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What is the relationship between energy efficiency and energy consumption?
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What is the significance of comfort, safety, and quality in energy efficiency?
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What is the main objective of energy efficiency?
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What is the importance of understanding the difference between energy saving and energy efficiency?
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Study Notes
Energy Efficiency
- Energy efficiency is using less energy to provide the same services without compromising comfort, safety, and quality.
- It is not the same as energy saving, although energy efficiency can lead to energy saving.
Identifying Energy-Wasting Situations
- Watching TV with the lights off
- Using air conditioning at a temperature of 16 degrees Celsius
- Reading using a table lamp
- Letting the light be on in the morning
Load Apportioning
- Television, Vacuum, Satellite Dish, and Decoder: 0.5% - 1.7%
- Iron and Others: 0.9% - 1.1%
- Fan: 4.4%
- Lighting: 5.1%
- Air Conditioner: 39.8%
- Refrigerator: 21.4%
- Centralized Water Heater: 23.7%
Energy Saving Benefits
- Economical Factor: reduces electricity bills and operating costs, increasing profits
- Non-Economical Factor: reduces the impact on the environment, controlling/reducing the greenhouse effect, and maintaining sustainability of energy resources for future generations
Impact of Fossil Fuel Use
- Electricity generation in Malaysia is highly dependent on fossil fuels, which emit carbon dioxide (CO2) and contribute to global warming
- Increased energy efficiency can control/reduce the greenhouse effect and maintain sustainability of energy resources for future generations
Energy Pyramid
- No specific details provided
Air Conditioner Energy Consumption
- Air conditioner at 18°C: 7.71 kWh/day, RM 4.40/day, RM 132.00/month
- Air conditioner at 24°C: 4.88 kWh/day, RM 2.79/day, RM 83.70/month
- Saving: RM 48.30/month, RM 241.50/month for 5 units
Impact of Water Dispenser
- Active Mode: 8687 Wh, RM 0.00
- Passive Mode: 993 Wh, RM 17.00
Impact of Lamp (Incandescent vs LED)
- Incandescent Lamp: 100 W, RM 5.48/month, RM 109.60/month for 20 units
- LED Lamp: 9 W, RM 1.23/month, RM 24.60/month for 20 units
- Saving: RM 85.00/month
SAVE 4.0 Program
- A program that grants a maximum of RM400 e-rebate to domestic households that purchase energy-efficient air conditioners and refrigerators with 4-star or 5-star energy efficiency labels from the Energy Commission (ST) in 2021
- Objectives: increase the total number of 5-star and 4-star energy-efficient electrical appliances and energy-efficient appliances in the market, and increase public awareness to encourage them to buy energy-efficient appliances that will save consumer's electricity consumption
- Implementation period: 1 year from December 2023 to December 2024
Empowering Customer Energy Usage
- No specific details provided
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Description
Test your knowledge on energy efficiency, identifying energy-wasting situations, and load apportioning. Learn how to reduce energy consumption without compromising comfort, safety, and quality.
