Generally speaking, during the loan term (10 years) for most cases,
the greatest contributors to the operating cost are the loan payments
(~50–60%), energy and materials (~15–20%), and labor costs (~15–
20%) (see Appendix F of the SI). Maintenance and insurance combine
for roughly 10% of the operating cost during the loan term, while land
cost and taxes are negligible. Electricity contributes over 50% of the
energy and materials cost for all cases in Hawaii without wind power,
and due to the difference in electricity price in Texas ($0.06/kWh [45])
andHawaii ($0.31/kWh [45]), the total electricity cost in Texas is roughly
one-third of that in Hawaii for the corresponding cases. As a result,
the total energy and materials cost in Texas is only 37% to 46% of that
in Hawaii for cases without wind power. At current market sale prices,
the only case that generates net annual revenue within the 30-year
facility lifespan is Case 10H, and thus it is the only case that incurs income
tax.
Generally speaking, during the loan term (10 years) for most cases,the greatest contributors to the operating cost are the loan payments(~50–60%), energy and materials (~15–20%), and labor costs (~15–20%) (see Appendix F of the SI). Maintenance and insurance combinefor roughly 10% of the operating cost during the loan term, while landcost and taxes are negligible. Electricity contributes over 50% of theenergy and materials cost for all cases in Hawaii without wind power,and due to the difference in electricity price in Texas ($0.06/kWh [45])andHawaii ($0.31/kWh [45]), the total electricity cost in Texas is roughlyone-third of that in Hawaii for the corresponding cases. As a result,the total energy and materials cost in Texas is only 37% to 46% of thatin Hawaii for cases without wind power. At current market sale prices,the only case that generates net annual revenue within the 30-yearfacility lifespan is Case 10H, and thus it is the only case that incurs incometax.
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