(a) What is the COE for a turbine with the following assumptions:
5 MW rating
31% capacity factor
$1250/kW turbine cost
$91,000 operations and maintenance cost/year
Fixed charge rate of 9%
BOS costs of $1,999,999
Levelized replacement costs of $135,000/year
(b) If a gearbox replacement was required every 5 years at a cost of $600,000, what would the COE be? How much (in percent) does the COE increase due to the gearbox replacement?