| PV modules | Wattage, cell technology, dimensions, load rating, system voltage | Brand, wattage band, loading quantity, warranty profile | Datasheet, IEC certificate, serial/model list |
| Hybrid inverters | Single/three phase, MPPT, battery voltage, output rating | On-grid/off-grid, battery type, generator input, parallel plan | Certificate, manual, compatibility list |
| Batteries | Voltage, chemistry, BMS compatibility, rack/wall-mounted format | Capacity, warranty, enclosure, communication protocol | MSDS, UN38.3, certificate set |
| Mounting | Roof type, wind load, rail length, clamp type, fasteners | Flat roof, tile roof, metal roof, ground mount | Installation drawing, material certificate where needed |
| Protection & BOS | DC/AC breakers, SPD, isolators, combiner boxes, cable sizing | Voltage/current ratings, enclosure IP rating, brand preference | Datasheets, test reports, packing list |