ETL 1110-1-181
12 Jan 98
Table C11. SIR Comparison for 200 Ton Chillers
running at an EFLH of 2000.
(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
,040
-
-
-
,400
-
0.65
,680
||content||
,360
,802
1.47
,598
8.90
0.62
,864
6
,681
2.82
,216
4.64
0.60
,320
4
,121
7.90
,395
1.66
0.58
,776
4
,121
9.19
,274
1.42
0.03
0.70
,840
-
-
-
,400
-
0.65
,280
||content||
,560
,420
1.28
,980
10.21
0.62
,344
6
,252
2.46
,027
5.33
0.60
,720
4
,168
6.89
,159
1.90
0.58
,096
4
,168
8.01
,991
1.63
0.04
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
0.05
0.70
,440
-
-
-
,400
-
0.65
,480
||content||
,960
,656
1.02
,744
12.83
0.62
,304
||content||
,176
,394
1.96
,650
6.69
0.60
,520
4
,263
5.48
,687
2.39
0.58
,736
4
,263
6.38
,425
2.05
0.06
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
0.07
0.70
,040
-
-
-
,400
-
0.65
,680
,360
,892
0.85
,508
15.45
0.62
,264
||content||
,416
,535
1.62
,272
8.06
0.60
,320
4
,357
4.56
,215
2.87
0.58
,376
4
,357
5.30
||content||
,858
2.47
0.08
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
0.09
0.70
,640
-
-
-
,400
-
0.65
,880
,760
,128
0.72
,272
18.06
0.62
,224
||content||
,656
,677
1.39
,895
9.42
0.60
,120
||content||
,104
,451
3.89
(
||content||
,257)
3.36
0.58
,016
||content||
,104
,451
4.53
(,708)
2.89
C-13
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