Feasibility Studies on Pyro-SFR Closed Fuel Cycle and Direct Disposal of Spent Nuclear Fuel in Line with the Latest National Policy and Strategy of Korea

Table 12

Modified set of equations to estimate the cost of nuclear fuel cycle based on equilibrium model.

	Category	Equations
Individual process cost	Cost for conversion ($/kgU) (		(i)
	Cost for enrichment ($/SWU) ()		(ii)
	Cost for PWR fuel fabrication ($/kgHM) ()		(iii)
	Cost for PHWR fuel fabrication ($/kgHM) ()		(iv)
	Cost for pyroprocessing ($/kgHM) ()		(v)
	Cost for SFR fuel fabrication ($/kgHM) ()		(vi)
	Cost for storage and transport ($/kgHM) ()		(vii)
Total process cost	Total cost for PWR process ($/kgHM) (		(viii)
	Total cost for PHWR process ($/kgHM) ()		(ix)
	Total cost for Pyro-SFR process ($/kgHM) ()		(x)
Fuel cycle cost	PWR fuel cycle cost ($/kWh), ()		(xi)
	PHWR fuel cycle cost ($/kWh) ()		(xii)
	Pyro-SFR fuel cycle cost ($/kWh), CR = 0.46 ()		(xiii)
	Pyro-SFR fuel cycle cost ($/kWh), CR = 0.6 ()		(xiv)

: cost of disposing of spent nuclear fuel from NPPs (PWRs and PHWRs) ; : unit cost of conversion; : unit cost of enrichment; : unit cost of PWR fuel fabrication; : unit cost of PHWR fuel fabrication; : unit cost of pyroprocessing; : unit cost for SFR fuel fabrication; : unit cost of storage; : unit cost of transportation; : unit cost of disposing of low intermediate-short-lived waste; : unit cost of disposing of low intermediate-long-lived waste; : unit cost of disposing of high-level waste; : unit cost of disposing of spent nuclear fuel; : amount of uranium to be converted; : amount for enrichment; : amount of fuel to be fabricated; : amount of fuel to be recycled; : amount of fuel to be stored; : amount of fuel to be transported; : amount of disposing of low intermediate-short-lived waste; : amount of disposing of low intermediate-long-lived waste; : amount of disposing of high-level waste; : amount of disposing of spent nuclear fuel; : total cost of PWR fuel cycle; : total cost of PHWR fuel cycle; : total cost of Pyro-SFR fuel cycle; : fuel cycle cost of PWR fuel cycle; : fuel cycle cost of PHWR fuel cycle; : fuel cycle cost of Pyro- fuel cycle; : fuel cycle cost of Pyro- fuel cycle.