Find It Fast
Formulas for use with the Solar Pathfinder
For the Solar Industry
To Estimate Shading of a Rooftop/Pole Mount on the Future Site
![[formula image]](/images/spf/rooftop-formula.gif)
Excel Spreadsheet with Calculations (XLS)
PDF Instructions for Spreadsheet (PDF, 1.8 MB)
Note: PDF files require Adobe Acrobat Reader.
For the Solar Industry
To Estimate Needed Pole Height to Avoid Shading
![[formula image]](/images/spf/pole_height_equation.gif)
For Landscaping / Golf Course Management
To Estimate How Much to Crop Tree to Avoid Shading
![[formula image]](/images/spf/tree-top-formula.gif)
Demonstration Video
Any scientific analysis is only as accurate as the least accurate input. Gross errors in structure orientation, solar system sizing, collector placement, component specification, and scientific studies can result when designers/engineers fail to accurately assess shading patterns at proposed building/ecological sites.
