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Solar Energy Payback Period

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Chai Su Tian

on 12 April 2016

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Transcript of Solar Energy Payback Period

Solar Energy Payback Period
A Case Study in Singapore
The Problem with Solar Power...
Production Costs
Energy Consumption
Monetary Costs
Carbon Footprint
Wastage of Water
Fig. 1, Solar Park at Marina Barrage, Singapore
Fig. 2b, Solar Access at Marina Barrage
Implementation Flaws
Solar Access
Panel Tilt
Solar Tracker
Fig. 2a, Solar Access, Raw Data
Available Data
Daily Solar Insolation
Solar Access
Sunmodule SW 245 Mono Datasheet
Energy Required to Produce a Monocrystalline Solar Panel
Degradation Rate of Monocrystalline Solar Panel
Assumptions Made
Constant Solar Insolation
Mean Values Used
No Panel Tilt
No "Act of God"
Modeled after a similar experiment conducted by B.S. Richards & M.E. Watt
Results
Energy Required:
Energy Produced:
Net Gain:
Payback Period:
735kWh
7913kWh
7178kWh
2 Years, 4 Months
Conclusion
Feasibility
Carbon Footprint
Effect on the Environment
Cost of Implementation
Fig. 3, Excerpt of Calculations
Fig. 4, Energy Produced per Annum
References
Lifespan of Panel:
~25 Years
(1) Dale M., Benson SM. Energy balance of the global photovoltaic (PV) industry- is the PV industry a net electricity producer? Environ. Sci. Technol. 2013, 47(7), 3482-3489.
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(2) Yue D., You F., Darling S.B. Domestic and overseas manufacturing scenarios of silicon-based photovoltaics: Life cycle energy and environmental comparative analysis. Sol. Energ. 2014, 105, 669-678.
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(3) NASA, NASA Surface meteorology and Solar Energy. 2016. https://eosweb.larc.nasa.gov/cgi-bin/sse/grid.cgi?&num=284092&lat=1.352&hgt=100&submit=Submit&veg=17&sitelev=&email=skip@larc.nasa.gov&p=grid_id&p=swvdwncook&p=swv_dwn&step=2&lon=103.82 (accessed April 2, 2016)
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(4) SolarWorld, Sunmodule SW 245 mono / Version 2.0. 2012.
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(5) Jordan DC., Kurtz SR. 2012. Photovoltaic Degradation Rates -- An Analytical Review. SciTech Con. [Internet]. [Cited 2 April 2016]. Available from http://www.nrel.gov/docs/fy12osti/51664.pdf
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(6) Richards B.S., Watt M.E. Permanently dispelling a myth of photovoltaics via the adoption of a new net energy indicator. Renew. Sust. Energ. Rev. 2007, 11, 162-172.
(7) Granata G., Pagnanelli F., Moscardini E., Havlik T., Toro L. Recycling of photovoltaic panels by physical operations. Sol. Energ. Mat. Sol. Cells, 2014, 123, 239-248
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Synopsis
Main Study:
Dale M., Benson SM. Energy balance of the global photovoltaic (PV) industry- is the PV industry a net electricity producer? Environ. Sci. Technol. 2013, 47(7), 3482-3489.
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