Structural and Electrical Load Assessment for Rooftop Solar Installations

Structural and Electrical Load Assessment for Rooftop Solar Installations

Installing rooftop solar panels requires a dual-layered analysis— structural and electrical load assessment . While the structural load assessment ensures the building can physically support the solar array and withstand environmental forces, the electrical load assessment guarantees safe and efficient integration of the PV system with the building's existing power system and utility grid. This article covers detailed engineering methods, load types, formulas, examples, and frequently asked questions for a complete technical understanding of the subject. 1. Introduction The integration of photovoltaic (PV) systems onto rooftops should never begin without assessing the load-bearing capacity of the roof and understanding the implications of connecting a new electrical generation source. Failing to assess structural and electrical loads correctly can lead to: Roof failures Fire hazards Inverter faults Code violations Insurance non-compliance 2. Structural Load Assessment 2.1 Types of Structural …