Table 2: Indicative cost/benefits of case study office buildings
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| Building type |
Benchmark building capital cost |
ESD building capital cost |
ESD building premium (saving) |
ESD building premium (saving) |
Annual energy cost savings |
Annual water cost savings |
Total annual cost savings |
Simple payback |
20-year NPV for ESD measures |
|---|---|---|---|---|---|---|---|---|---|
Office - low/ medium ESD |
2000 |
2130 |
120 |
6.0 |
11.0 |
0.3 |
11.3 |
10.65 |
-3 |
Office - medium/ high ESD |
2000 |
2230 |
230 |
11.5 |
17.0 |
0.6 |
17.6 |
13.09 |
-23 |
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