Wednesday, 28 December 2011
Other success stories of the piezoelectric carpet
1. http://www.greenbiz.com/news/2009/06/15/sainsburys-rolls-out-kinetic-energy-generator
2. http://inhabitat.com/tokyo-subway-stations-get-piezoelectric-floors/
3. http://www.ecofriend.com/entry/future-perfect-piezoelectricity-rising-as-a-panacea-for-energy-crisis/
4. http://www.ecofriend.com/piezoelectric-generators-power-future.html
2. http://inhabitat.com/tokyo-subway-stations-get-piezoelectric-floors/
3. http://www.ecofriend.com/entry/future-perfect-piezoelectricity-rising-as-a-panacea-for-energy-crisis/
4. http://www.ecofriend.com/piezoelectric-generators-power-future.html
Project Closing
- Final evaluation for the whole system, data collection regarding reduction in the electricity consumption
- Study customer feedback and seek for improvement
- Expand to all others mrt station
- Expand to shopping center and airport
Risk Analysis
Risks that may encounter :
1. Short circuit
2. Unrealiable supplier
3. Lack of expertise
4. Limited time frame
1. Short circuit
2. Unrealiable supplier
3. Lack of expertise
4. Limited time frame
Return of Investment
Investment cost = SGD 45,000
Eletricity cost reduction per months = SGD 2,000
Assume the piezoelectric carpet last for 5 years, and maintenance cost for 5 year is SGD 12,000
hence, the total saving is SGD 120,000- 12000 = 108,000
ROI = (108000-45000)/45000 =140%
Payback period = 25 months
Eletricity cost reduction per months = SGD 2,000
Assume the piezoelectric carpet last for 5 years, and maintenance cost for 5 year is SGD 12,000
hence, the total saving is SGD 120,000- 12000 = 108,000
ROI = (108000-45000)/45000 =140%
Payback period = 25 months
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