Investigation of a Battery Storage System Aimed at Demand-Side Management of Residential Load

Table 12

Sensitivity analysis of the discount rate against the annual electricity bill escalation rate to observe the impact on the NPV for feeder 2.

Discount rate (%)	Electricity bill escalation rate/year (%)	Range (%)	NPV ( US$)
10	0.6250	25.0	23.0	22.6	22.1	21.6	21.2
9	0.5625	12.5	32.1	31.6	31.0	30.5	30.0
8	0.5000	0.0	42.5	41.9	41.3	40.7	40.1
7	0.4375	−12.5	54.4	53.7	53.0	52.4	51.7
6	0.3750	−25.0	68.3	67.5	66.7	65.9	65.1