![Page 1: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/1.jpg)
Red Rocks Community College
ENY 130Fall 2009
Module 3: Solar Resource
![Page 2: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/2.jpg)
The Solar Resource
![Page 3: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/3.jpg)
Where/when does the sun shine?
![Page 4: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/4.jpg)
Summer Solstice (June 21)
![Page 5: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/5.jpg)
December 21
![Page 6: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/6.jpg)
Longitude and Latitude
![Page 7: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/7.jpg)
Where are we? (March,Sept 21)
![Page 8: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/8.jpg)
Another view…. During Equinox’s
![Page 9: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/9.jpg)
Azimuth / Altitude (height)
Source: NOAA
![Page 10: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/10.jpg)
Solar Path
![Page 11: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/11.jpg)
Window
![Page 12: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/12.jpg)
Sun Path Chart
![Page 13: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/13.jpg)
Determine Your Solar Window
![Page 14: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/14.jpg)
Sun site selector
![Page 15: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/15.jpg)
Solar site selector
![Page 16: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/16.jpg)
Wiley - Asset
![Page 17: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/17.jpg)
Solmetric Sun Eye
![Page 18: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/18.jpg)
A Solar Pathfinder
![Page 19: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/19.jpg)
Using the Pathfinder
![Page 20: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/20.jpg)
Under the dome….
![Page 21: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/21.jpg)
Can also be done wrong
![Page 22: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/22.jpg)
Magnetic Declination
![Page 23: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/23.jpg)
Mag Dec and direction
![Page 24: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/24.jpg)
World Magnetic Declination
![Page 25: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/25.jpg)
Best tilt angle for panels?
![Page 26: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/26.jpg)
Denver Solar Data (Insolation)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg.
kWh/sq meter/day
5.07 5.54 6.80 6.65 6.69 6.67 6.84 6.66 7.0 6.5 5.0 4.8 6.20
kWh/sq ft / day
.185 .203 .249 .243 .245 .244 .250 .244 .26 .24 .19 .18 .227
Btu / sq ft/ day
1700
![Page 27: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/27.jpg)
Orientation and tilt Efficiency
![Page 28: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/28.jpg)
What are our numbers?
Denver Latitude? Panel tilt for winter gain Panel tilt for year around Panel tilt for summer
Why tilt for summer here in Denver?
Why tilt for electricity in winter?
![Page 29: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/29.jpg)
Watts per square meter
![Page 30: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/30.jpg)
Where does the light go?
Source: NREL
![Page 31: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/31.jpg)
Distance through atmosphere matters
![Page 32: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/32.jpg)
Direct Light vs. Tilt
![Page 33: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/33.jpg)
Insolation
![Page 34: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/34.jpg)
Insolation around the world
![Page 35: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/35.jpg)
Site Assesments Tools for site
evaluation Compass Solar Access finder Digital Camera Tape Measure Protractor Note Pad Ladder Pencil/Pen
![Page 36: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/36.jpg)
Conducting a Site Assessment
Observing proposed panel locations Establish location of electrical
equipment Roof or site orientation Shading problems Conduct solar assessment
(Pathfinder) Fill out form
![Page 37: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/37.jpg)
Using the Solar Pathfinder
Set up in proposed location of panels Orient for true south Level the unit Take digital picture above level bubble
and about 15” above dome (higher with zoom)
Download picture into computer Start Pathfinder software and follow
directions
![Page 38: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/38.jpg)
Using the Pathfinder
![Page 39: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/39.jpg)
Pathfinder results
![Page 40: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/40.jpg)
![Page 41: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/41.jpg)
![Page 42: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/42.jpg)
![Page 43: Red Rocks Community College ENY 130 Fall 2009 Module 3: Solar Resource](https://reader036.vdocuments.net/reader036/viewer/2022070414/5697c0111a28abf838ccb758/html5/thumbnails/43.jpg)