Techno-Economic Comparisons of HVAC and Simultaneous AC-DC Transmission

Table 6

Data used for life cycle cost calculation.

Item	Value
Discount rate-base	10%
Discount rate-low, high	8%, 12%
Economic lifetime	35 year
Operation and maintenance cost	2% of investment cost
Operation and maintenance cost escalation factor	4.0%
Capital recovery factor	14.1%
Energy cost escalation factor	1.2%
Insurance and interim replacement	0.5% of investment cost
Demand growth from 2017 up to 2030	14%
Demand growth from 2031 up to 2039	7%
Energy cost	0.03973 $/kwh
Energy generation cost	0.05 $/kwh
Load factor	0.57
Loss factor	0.38