These are precise, computer-aided design drawings (think AutoCAD or similar) that lay out everything for your PV system: panel placement, wiring routes, structural attachments, grounding/earthing, electrical flow, etc. A solar CAD drawing is a scaled technical plan created using CAD software (like AutoCAD) that shows the layout, electrical design, and structural components of a solar PV system. These drawings are used for: A. Calling in a professional ensures that everything is up to standard and works well. Solar photovoltaic energy is booming. ProfiCAD makes it easy to draw photovoltaic circuit diagrams. Along with the standard electrical engineering symbols, the library includes solar cells, photovoltaic panels, solar collectors, inverters, and more. Drag and drop components, connect lines, and save your work. DWG format available upon request.