solar site jmu project
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Solar Site JMU Project
By Farris Ismati and Mark Leith
Solar Radiation Map
kWh
Solar Radiation Map with Cloud Coverage
kWh
Largest Universities
kWh
Map of San Diego State University Campus
The dark red areas range from 9.58-12.5 kWh/m2 per day
San Diego State University Insolation Map
3D LIDar representation of Viejas Arena
Profile Graph Title
Profile Graph Subtitle
400350300250200150100500
470
460
450
440
Elevation in Feet Line X
Profile Graph Title
Profile Graph Subtitle
250200150100500
474
472
470
468
466
464
462
Elevation in Feet Line Y
x
y
Roof Dimensions
• Roof Area is roughly equal to 8,000 m2
• The roof of the Stadium gets over 12 kWh/m2
• Roof Slope .069 meters(line x) and .09 meters (line y)• Roof Slope changes from 4-5 degrees on lines x to y
8,000 m2
Top Down Viejas Arena3D Representation of Viejas Arena
4 – 5 Degree Slope
11.59-12.57 kWh/m2 per Day
2.59 -3.01 kWh/m2 per day
x
y
Latitude 32.77Longitude -117.07
Summer AdjustmentMarch 30 – September 12Flat Roof9.48 Degrees
With Roof Tilt 4.48-5.48 Degrees
Winter AdjustmentSeptember 12 – March 30
Flat Roof47.87 Degrees
With Roof Tilt42.87-43.87 Degrees
Azimuth Angle must be 180 Degrees South
PV Panel Tilt
Solar Panel• Model we used: Solar World SW 240 Poly
• Energy: 240 Watts = .24 kWh
• Price: $449.00 per panel
• Dimensions (Inches): Width 65.04, Length 39.41
Calculating Solar Array
Each Panel is 1.65 meters longEach row has ½ a meter of space
Estimated 2,602 maximum panels can fit on the 8,000 m2 roof. Depending on how much money the school wants to spend may reduce the amount of panels.
Solar Potential• Equating to a 500 kWh System after calculating loss
of energy by transferring DC to AC. (An average of
20% energy loss)
• Total cost of the system without incentives
$1,168,298
• Most rebates and incentives can range from 30%-
70% off of the total system
• Average of 5.3 hours of peak sunlight every day
• Produces about 967,250 kWh annually
Conclusion• Basic $.14 per kWh charged by the San Diego Gas
and Electricity company
• $135,415 subtracted from the total energy bill
annually
• Less than 8.7 years to pay back the total cost of the
system: NOT including rebates and incentives
SourcesData• http://www.grid.unep.ch/• http://www.gisuser.com/content/category/10/83/41/• http://srtm.csi.cgiar.org/Index.asp• http://www.energy.ca.gov/2005publications/CEC-500-2005-072/CEC-500-2005-072-D.PDF• http://www.mapmart.com/Products/DigitalElevationModel.aspx• http://zebu.uoregon.edu/1998/ph162/l4.html• http://sdge.com/clean-energy/clean-energy-options/solar-pilot-programs
Sources• http://www.calfinder.com/bid/solar-energy?SRC=Source108&SRC2=Source109&GID=4-
0&Pub_ID=3082&Landing_Page=bid-solar-energy&Sub_ID=&Click_ID=1272073• http://www.getsolar.com/solar-calculator/index.php• http://www.geog.ucsb.edu/~guan/courses/176A_Summer06/lab5/lab5.html
• https://www.sandiego.edu/epic/research_reports/documents/060309_ASESPVPotentialPaperFINAL_000.pdf
• http://webhelp.esri.com/arcgiSDEsktop/9.3/index.cfm?TopicName=Curvature• http://www.nrel.gov/eis/imby/• http://solarmap.lacounty.gov/solarDetails.html• http://www.macslab.com/optsolar.html
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