ORNL-5388 - the Molten Salt Energy Technologies Web Site

Table 6-7. Marginal Costs of U308 as
a Function of Cumulative Supplyalb
Quantity of U308
Long-Run
Marginal Cost
(106 tons) ($/1 b)
Intermediate-Cost U308 Supply
0.0 - 0.25
0.25 - 0.75
0.75 - 1.25
1.25 - 1.75
1.75 - 2.5
2.5 - 3.5
3.5 - 4.25
4.25 - 4.75
4.75 - 5.25
5.25 - 5.75
5.75 - 6.0
14
23
33
44
53
61
80
107
128
143
165
6.00 - 8.5 165
above 8.5 180
High-Cost U308 Supply
0.0 - 0.25 14
0.25 - 0.75 24
0.75 - 1.25
1.25 - 1.75
35
54
1.75 - 2.25 84
2.25 - 2.75 128
2.75 - 3.00 158
3.00 - 3.25
3.25 - 3.75
3.75 - 4.25
4.25 - 4.75
4.75 - 6.5
158
173
180
180
210
above 6.5 240
8-5
aFor those cases in which plant selection
was determined by uranium utilization a limit
of 3 million tons of ore are assumed at
below $150/lb U308 for the high-cost U308
supply and 6 million tons for the intermedi
ate-cost supply.
bCost of converting U308 to UF6 = $3.50/kg
of u.
Table 8-8. Tails Composition and
Time
Enrichment Costs
Tails
Compos i ti on
(235U Fraction) Cost($/SWU)
Gaseous Diffusion Technology
1969 to 1976 0.0020 50
1977 to 1986 0.0020 75
1987 to 2089 0.0020 80
Advanced Technology
1969 to 1976 0.0020 50
1977 to 1980 0.0020 75
1981 to 2000 0.0020 to 0.0010 75 to 55
2001 to 2030 0.0010 to 0.0005 . 55
2031 to 2089 0.0005 55
Table B-9. Plant Capacity Factors
1 60.0 20 65.7
2 66.0 21 64.1
3 72.0 22 62.6
4
72.0
23 61 .0
24
59.4
25
57.9
15 72.0
26
56.3
16 72.0
27
54.7
17 70.4
28
53.1
18 68.9
29
51.6
19 67.3
30
50.0
Table B-10. Long-Term Real Costs of Money
Debt Interest 2.5%
Equity Interest 7.0%
Fraction Debt 0.55
Fraction Equity 0.45
Effective Interest Rate 4 525%