Solar systems are made up of solar panels (modules), a mounting system, and a solar inverter with computerised controller. Solar panels produce DC electricity from sunlight. Then the inverter converts the generated electricity into AC, so that it can be used in the household. The computerised controller manages the solar system and ensures optimal performance. If you want battery backup system or an off-the-grid solar system, a battery is required.
The most common location for the installation of solar PV panels is the roof. Most roofs typically have the desired specifications for the installation, so that panels get the maximum sunlight. Nevertheless, if installation on the roof is not applicable or desired, the solar panels could also be mounted on the ground. You just need to make sure that there are no objects blocking access to the sun.