“…Several commercially available SEMs exist in the market in addition to many studies on smart energy metering (Avancini, et al, 2020;Faisal, Karim, Pavel, Hossen, & Lipu, 2019;Fan, Zhou, Sun, Du, & Zhao, 2019;Hameed & Barnouti, 2019;Narmadha, et al, 2020;Nitnaware, 2019;Patel & Upadhyaya, 2020;Pawar & TarunKumar, 2020;Prathik, Anitha, & Anitha, 2018;Uebel, et al, 2020). However, they have many limitations, such as the lack of utilizing the new IoT concept, wireless interfaces constraints, unfriendly user interface, high cost, and AC-based.…”