International Journal of Power Electronics and Drive Systems (IJPEDS) Vol. 15, No. 2, June 2024, pp. 1254~1265 ISSN: 2088-8694, DOI: 10.11591/ijpeds.v15.i2.pp1254-1265  1254 Journal homepage: http://ijpeds.iaescore.com IoT-based smart net energy meter with advanced billing feature for residential buildings including solar PV system Tonmoy Hassan 1 , Debraj Das 1 , Shahir Islam Rhyme 1 , Supratik Bal 1 , Md. Rifat Hazari 1,2 , Effat Jahan 1,2 , Chowdhury Akram Hossain 1,2 , Mohammad Abdul Mannan 1,2 1 Department of Electrical and Electronic Engineering, American International University-Bangladesh (AIUB), Dhaka, Bangladesh 2 Center for Sustainable Energy Research (CSER), Dr. Anwarul Abedin Institute of Innovation, American International University-Bangladesh (AIUB), Dhaka, Bangladesh Article Info ABSTRACT Article history: Received Jun 21, 2023 Revised Dec 4, 2023 Accepted Dec 17, 2023 Electricity consumption is rising across all industries. Residential electricity use dominates the sector. Solar photovoltaic (PV) systems on residential roofs are increasing quickly, notably in Dhaka, Bangladesh. PV power generation is high at peak sun irradiance. Due to light loads, residential structures use less electricity. PV system surplus electricity may be transmitted to the national grid. Residential customers may sell power to the government, lowering their electricity expense. Traditional energy meters make it difficult to calculate PV system consumption by load and grid injection. This is possible with net metering. Thus, this study presents an internet of things (IoT)-based smart net energy meter for home users to provide surplus solar PV power and consume grid electricity when needed. With the government's new power tariff rate, the net bill will be calculated automatically. A dedicated mobile application is used to monitor all the activities. The billing statement will be generated automatically, and the payment of that bill will be payable using a redirect link with the same mobile application. The suggested smart net energy meter will inform SMS/mobile app users of gas, smoke, and tempering. The suggested meter's performance and efficacy were evaluated using software simulation and hardware analysis. Keywords: Advanced metering infrastructure Grid Internet of things Microcontroller Net-meter Solar PV This is an open access article under the CC BY-SA license. Corresponding Author: Tonmoy Hassan Department of Electrical and Electronic Engineering American International University-Bangladesh (AIUB) 408/1, Kuratoli, Khilkhet, Dhaka 1229, Bangladesh Email: zntonmoy95@gmail.com 1. INTRODUCTION An internet of things (IoT)-based smart net energy meter is a device that measures the amount of energy being consumed by a household or building and sends the data to a remote server for monitoring and analysis. It utilizes IoT technology to transmit energy consumption data in real time over the internet, allowing for improved monitoring and control of energy usage. This device can be programmed to set usage limits, provide alerts for excessive usage, and integrate with smart home systems for more efficient energy management [1]. For socio-economic progress and improvement of people's standard of living, the government brought electricity to all the country's citizens under Plan 2021. To provide universal electrical facilities, ensure energy security and achieve sustainable development goals (SDG-7) announced by the United Nations, the Bangladesh government is taking steps to generate environment-friendly electricity from