Taipei 101
Cost Benefit analysis
Renovation Period: From 2016 to 2021
The cost estimated are based on the total expenditures of the stated renovation period
Energy and water
Cost = TWD 20 million
i.e., Expenditures on energy-saving and water-saving strategies, including software installation and equipment upgrades.
Energy saving = 12.7 million kWh /year
Water saving = 50000 tons per year
Water cost = TWD 10/ton
Cost saving = 12.7 million kWh /year x TWD 0.55/kWh + TWD 10/ton x 50000 tons per year = TWD 7.49 million/year
Payback period = Less than 3 years
Waste
Cost: Less than 1 million
i.e., Expenditures on the introduction of a waste management mechanism and an additional electronic waste scale equipment
Benefit: The recycling rate enhanced from 18% to 51%
Average waste generation amount per year = 4.5 million kg
Value of waste = TWD 4000/ton
Cost saving = TWD 4000/ton x (0.51-0.18) x 4.5 million kg = TWD 6.54 million /year
Payback period = Less than one year
Other benefits
Carbon emission reduction:
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Electricity Emission Factor = 0.509 kg CO2e/kWh
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Water Emission Factor = 0.156 kg CO2e/ton
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Total emission reduction = 0.509 kg CO2e/kWh x 12.7 million kWh /year + 0.156 kg CO2e/ton x 50000 tons per year = 6472.1 tons CO2e/year
Lift the rents premium ability: Taipei 101 obtained both WELL certificate in 2023. In the next three years, the unit rental price per square meter is expected to stabilize at more than TWD 18000, while attract international giants