ETL 1110-1-181
12 Jan 98
Table C13. SIR Comparison for 200 Ton Chillers
running at an EFLH of 4000.
(Example 2)
Energy Costs
Energy Costs Incremental
Discounted
Simple
Net Present
($/kW-h)
IPLV
($/yr)
Savings ($/yr)
Savings
Payback (yrs) Value (NPV)
SIR
0.02
0.70
,640
-
-
-
,400
-
0.65
,880
||content||
,760
,038
1.14
,362
11.52
0.62
,824
||content||
,056
,823
2.18
,839
6.01
0.60
,120
4
,215
6.11
,923
2.14
0.58
,416
4
,215
7.10
,708
1.84
0.03
0.70
,240
-
-
-
,400
-
0.65
,080
,160
,274
0.93
,126
14.14
0.62
,784
||content||
,296
,965
1.77
,461
7.38
0.60
,920
4
,310
4.98
,451
2.63
0.58
,056
4
,310
5.79
,141
2.26
0.04
0.70
,840
-
-
-
,400
-
0.65
,280
,560
,510
0.78
,890
16.76
0.62
,744
||content||
,536
,106
1.50
,083
8.74
0.60
,720
||content||
,024
,404
4.20
,979
3.12
0.58
,696
||content||
,024
,404
4.88
(,425)
2.68
0.05
0.70
,440
-
-
-
,400
-
0.65
,480
,960
,746
0.68
,654
19.37
0.62
,704
||content||
,776
,248
1.30
,706
10.11
0.60
,520
||content||
,184
,499
3.63
(,493)
3.60
0.58
,336
||content||
,184
,499
4.22
(,991)
3.10
0.06
0.70
,040
-
-
-
,400
-
0.65
,680
,360
,982
0.60
,418
21.99
0.62
,664
,016
,389
1.14
(,672)
11.47
0.60
,320
||content||
,344
,593
3.20
(,965)
4.09
0.58
,976
||content||
,344
,593
3.72
(,558)
3.52
0.07
0.70
,640
-
-
-
,400
-
0.65
,880
,760
,218
0.53
,182
24.61
0.62
,624
,256
,531
1.02
(,049)
12.84
0.60
,120
||content||
,504
,687
2.86
(,437)
4.58
0.58
,616
||content||
,504
,687
3.32
(,124)
3.94
0.08
0.70
,240
-
-
-
,400
-
0.65
,080
,160
,454
0.48
,946
27.23
0.62
,584
,496
,673
0.92
(,427)
14.21
0.60
,920
||content||
,664
,782
2.58
(,909)
5.07
0.58
,256
||content||
,664
,782
3.00
(,691)
4.36
0.09
0.70
,840
-
-
-
,400
-
0.65
,280
,560
,690
0.44
,710
29.85
0.62
,544
,736
,814
0.84
(,805)
15.57
0.60
,720
||content||
,824
,876
2.36
(,381)
5.55
0.58
,896
||content||
,824
,876
2.74
(,257)
4.78
C-15
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