Net Present Cost (CNPC) is the life cycle cost of the system can
be calculated as (20). An energy project for example will have a
total net present cost comprising of the following costs: capital
investment, non-fuel operation and maintenance costs, replacement costs,energy costs (fuelcostplusanyassociatedcosts),and
any other costs.If a number of options are being considered then
the option with the lowest net present cost will be the most
favourable financial option [35]. The total annualised cost can be
determined as (21)[36]