The Huawei SUN2000-12KTL-M2 inverter is an essential component for the PV system. It converts direct current from the modules into alternating current, which can be used in the household. Due to its high efficiency, users benefit from increased efficiency. The Huawei SUN2000-12KTL-M2 inverter is characterized by its compact dimensions of 525 x 470 x 262 mm. Moreover, it reaches a weight of only 25 kg, so it can be easily connected by one or two installers. Basically, the installation is easy to accomplish, the integration into the system is done via prefabricated plug connections. Commissioning is successfully completed after a few minutes in conjunction with the app. The connection to the Smart Power Meter is made via RS485 communication.