JULY 2023 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ELECTRICAL ENERGY CONSUMPTION AT HOME NG SHER WYNN 5 ANGSANA
ELECTRICAL APPLIANCES AND POWER USAGE NO. ELECTRICAL APPLIANCES QUANTITY (A) POWER / kW (B) HOURS USED IN A DAY / h (C) TOTAL ENERGY USAGE / kWh (A x B x C) 1. Water purifier 1 0.200 24 4.80 2. Computer charger 3 0.065 2 0.39 3. Refrigerator 1 0.400 24 9.60 4. Water heater 2 1.400 1 2.80 5. Television 1 0.059 6 0.35
ELECTRICAL APPLIANCES AND POWER USAGE NO. ELECTRICAL APPLIANCES QUANTITY (A) POWER / kW (B) HOURS USED IN A DAY / h (C) TOTAL ENERGY USAGE / kWh (A x B x C) 6. Air conditioner 2 0.820 5 8.20 7. Ceiling fan 4 0.030 10 1.20 8. LED light 10 0.010 12 1.20 9. Wifi router 1 0.015 24 0.36 Total : 28.90
ESTIMATED COST OF ELECTRICAL ENERGY USED IN JULY Total energy usage: 28.90 x 31 = 895.90 kWh TARIFF BLOCK (kWh) PRORATED BLOCK (kWh) RATE (RM) AMOUNT (RM) First 200 200 0.218 43.60 Consequent 100 100 0.334 33.40 Consequent 300 300 0.516 154.80 Consequent 300 295.90 0.546 161.56 Total cost: 393.36
ACTUAL COST 0F ELECTRICAL ENERGY USED IN JULY Actual cost (before tax and subsidy) : RM 320.25 Estimated cost (without tax and subsidy) : RM 393.36
DISCUSSION 1. Identify the electrical appliance in your home that consumes the highest electrical energy - Refrigerator 2. Suggest steps to reduce the cost of electricity consumption in your home - Switch off the fans and lights when not in use - Turn off plug and appliances when not in use - Use energy saving light bulbs - Install solar panel at home to reduce electricity consumption