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All Journal G-Tech : Jurnal Teknologi Terapan
Dewi Humeira Amriah
Politeknik Negeri Ujung Pandang, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering

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Performance Analysis of an IoT-Based Smart Energy Meter for Real-Time Monitoring of Electrical Energy Consumption Farid Farid; Dewi Humeira Amriah; Muhammad Fathur Rahman Nur; Nurfitri Nurfitri; Muh. Erdin
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9455

Abstract

This study presents the performance analysis of an IoT-based Smart Energy Meter designed for real-time monitoring of electrical energy consumption. The system utilizes a NodeMCU ESP8266 microcontroller integrated with two PZEM-004T modules and PZCT-02 current sensors to measure voltage, current, power, and energy from multiple electrical loads. The measured data is transmitted to the Blynk platform, enabling real-time monitoring through a smartphone application. The performance of the system was evaluated by comparing the measurement results with a standard multimeter, resulting in average errors of 0.447% for voltage, 1.704% for current, and 1.844% for power, indicating good measurement accuracy. Experimental results under different load conditions show that higher power loads lead to significantly increased energy consumption and operational cost, where a 32 W load consumes approximately 0.038 kWh compared to 0.006 kWh for a 5 W load within the same duration. Overall, the system demonstrates reliable performance and provides an effective solution for real-time energy monitoring and management in household applications.
Co-Authors Erdin, Muh. Farid Farid M Fathur Rahman N Nurfitri Nurfitri