|
Table 4.2 |
|||||||||
|
Energy Conservation Measures Economic Evaluation |
|||||||||
|
Nom. Interest Rate |
0.12 |
||||||||
|
Project: |
School 12 in Gabrovo |
Inflation Rate |
0.03 |
||||||
|
Date: |
28 April 1997 |
Real Interest Rate |
0.0873786 |
||||||
|
Base Period [year] |
15 |
||||||||
|
By: |
Fuel price escallation [1/yr] |
0.0156 |
|||||||
|
Consumer Price Escallation [1/yr] |
0 |
||||||||
|
Building Section: |
All |
Cost of heat [$/MBTU] |
6.83 |
||||||
|
Model Zones: A1 to A14 |
|||||||||
|
ECO# |
ECO Description |
Unit |
Unit Total |
Units per |
Section |
Expected |
|||
|
Cost |
section |
Total Cost |
Life |
||||||
|
[$/unit] |
[unit] |
[$] |
[years] |
||||||
|
B1 |
Retrofit all wooden framed windows |
pcs |
23300 |
1 |
23300 |
15 |
|||
|
C3 |
Retrofit of ventilation system in the sw.pool |
pcs |
5901 |
1 |
5901 |
15 |
|||
|
B1+C1+C2 |
Combined ECM |
pcs |
29872 |
1 |
29872 |
15 |
|||
|
B1+C1+C2+C3 |
Combined ECM |
pcs |
35773 |
1 |
35773 |
15 |
|||
|
Annual |
Value of |
Present |
Present |
NPV |
Simple |
Value |
IRR |
||
|
Svgs(97) |
Ann.Svgs |
Value out |
Value In |
Payback |
Index |
||||
|
[MBTU] |
[$] |
[$] |
[USD] |
[$] |
[years] |
[-] |
% |
||
|
B1 |
Retrofit all wooden framed windows |
1284 |
8769.72 |
23300 |
79533.88 |
56234 |
2.66 |
6.41 |
43.60 |
|
C3 |
Retrofit of ventilation system in the sw.pool |
376 |
2568.08 |
5901 |
23290.3 |
17389 |
2.30 |
6.77 |
49.90 |
|
B1+C1+C2 |
Combined ECM |
2555 |
17450.65 |
29872 |
158262.5 |
128391 |
1.71 |
7.36 |
65.50 |
|
B1+C1+C2+C3 |
Combined ECM |
2931 |
20018.73 |
35773 |
181552.8 |
145780 |
1.79 |
7.28 |
63.10 |