Calculate total dead load (psf) from PV modules, racking hardware, and wiring for structural analysis.
Input Parameters
Results
--
Module Dead Load
psf
--
Total System Dead Load
psf
--
Total per Module
lbs
--
100-Module Array Weight
lbs
Note: Typical PV dead load is 2.5-4.0 psf for flush-mount rooftop. Ballasted systems add 3-8 psf. Include all hardware: clamps, splices, conduit, junction boxes.
Reference
Module PSF = Module Weight / Module Area
Total Weight = Module + Racking + Wiring + Misc
Total PSF = Total Weight / Module Area
Typical PV dead load: 2.5-4.0 psf
Array Weight = Weight per module × count