recovered plutonum recovered uranium Reprocessing option. Back‐end cycle.[r]
Trang 15. Cost analysis Jonghwa Chang jhchang@kaeri.re.kr
Trang 2Capital cost (Investment)
Over night cost (~5,000 $/kW)
• EPC (Engineering, procurement, and construction) cost (80%)
‐ Direct cost(70%) : equipment + labor + material (to assemble)
‐ Indirect cost(30%) : supervisory
• Owner’s cost (20%)
‐ Testing
‐ Operator training
Financing cost
Insurance
Operation and Maintenance cost
‐ Fuel cost
‐ Waste disposal cost
Economics Analysis
Trang 3 Front end
• uranium ore
• conversion
• fuel fabrication
Fuel cycle cost
Back end
• Direct disposal option
• Reprocessing option
Trang 4Mining the ore Concentrate to UOC
UOC ⇒ UF6 Enrichment
UF6 ⇒ UO2 Fuel fabrication Fuel Loading
uranium purchase conversion
enrichment fabrication
32~50 $/lb U3O8 14~17$/kgU
44~100 $/kgSWU 200~400 $/kgU
Front end cost
Trang 5F, xF P, xp
T, xT
feed product
tail
W P V x T V x F V x
1
1 2 ln x
x
Value function for cascade
(multiple stage) enrichment
Separation Work Unit
x x F
F P T
Mass balance
x x T
x F x Px T
F : mass (kg)
x : enrichment
Unit : kg SWU
Enrichment
Trang 6Spent fuel transport Storage
Encapsulation
Disposal
Storage Reprocessing
Treatment and storage of waste
Disposal of Low level waste Disposal of High
recovered plutonum recovered uranium Reprocessing option
Back‐end cycle
Trang 7ref) IAEA nuclear energy series : NF-T-3.5 Costing of spent nuclear storage
Net present value 01
N
n n n
C NPV
r
r : discount rate : invester’s desired rate of return
Storage cost
Trang 8operation
safe enclosure (SAFSTOR) dismantling (DECON) entombment (ENTOMB)
decommissioning commercial operation
Radwaste disposal
- Inflation corrected price
- Discount rate 1 rn
Present value
Life cycle cost analysis
Trang 9http://www.wise-uranium.org/nfcc.html input present value
Online fuel cost calculator