According to statistics on the total electricity consumption at various types of buildings in Taiwan compiled by the Department of Architecture at NCKU, shopping centers consume 445kWh per square meter, 100 times more than the 30 to 50 kWh per square meter recorded for residences and school buildings. Buildings with central air conditioning, such as tourist hotels and hospitals, also consume electricity at high rates.
根據成功大學建築系統計，台灣各類建築的耗電量，百貨商場的單位用電密度每年每平方米為 445kWh（度），比住宅、校舍的 30-50kWh 高出 100 倍，觀光旅館、醫院等全空調的建築，用電密度也相當高。