While a number of factors, including tenants moving in and out, and the closure of shared facilities (such as gyms), can change the contract volume, most contract clients don't understand this figure's importance and passively accept TaiPower's number.
然而，「契約容量」往往因住戶搬進搬出或公共設施（如健身房）停用等因素而有所變化，但大多數的契約用戶只是被動接受台電的契約容量數，不知道這個數字影響很大。