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Solar Electric Siting 1

JEE4980 – Sr Design Project

• Solar Electric Siting Lecture

• Assignment

– Develop a tool to gage the potential of sites

– Due in final report appendix

• Lab Time

– Read and understand Design Project

– Decide on sites to evaluate, tools, approach

Solar Electric Siting 2

Sun Path

http://www.educypedia.be/education/spacejavaearth.htm

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Solar Electric Siting 3

Earth’s Orbit

Solar Electric Siting 4

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Solar Electric Siting 5

Declination at Solstices and

Equinox

http://www.rkm.com.au/ANIMATIONS/animation-seasons.html

Solar Electric Siting 6

Solar Window

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Azimuth & Altitude

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Magnetic vs. True North

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Solar Electric Siting 9

Solar Altitude

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Average Seasonal Insolation

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Solar Electric Siting 11

Average Sun / Day

But we want Solar Energy!

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Max Daily Transmittance Ithaca NY

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Solar Electric Siting 13

Integrated Insolation Ithica NY

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Direct vs Diffuse Radiation

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Solar Electric Siting 15

Effect of Collector Tilt Angle

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Insolation Table NY

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INSOLATION TABLE STL

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STL Insolation Calculation

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Solar Chart 36N

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Solar chart 40N