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272 Results Found

  • Article
  • Open Access
12 Citations
3,364 Views
20 Pages

A Stochastic Frontier Model for Definition of Non-Technical Loss Targets

  • Daniel Leite,
  • José Pessanha,
  • Paulo Simões,
  • Rodrigo Calili and
  • Reinaldo Souza

22 June 2020

The theft of electrical energy is one of the main problems faced by electricity distribution utilities, especially in developing countries. Aware of the difficulties in combating non-technical losses (NTLs) in Brazil, the National Electric Energy Age...

  • Article
  • Open Access
22 Citations
3,790 Views
19 Pages

31 December 2019

In order to keep track of the operational state of power grids, the world’s largest sensor system, smart grid, was built by deploying hundreds of millions of smart meters. Such a system makes it possible to discover and make quick response to a...

  • Article
  • Open Access
1 Citations
2,410 Views
23 Pages

NTL-Unet: A Satellite-Based Approach for Non-Technical Loss Detection in Electricity Distribution Using Sentinel-2 Imagery and Machine Learning

  • Matheus Felipe Gremes,
  • Renato Couto Gomes,
  • Andressa Ullmann Duarte Heberle,
  • Matheus Alan Bergmann,
  • Luísa Treptow Ribeiro,
  • Janice Adamski,
  • Flávio Alves dos Santos,
  • André Vinicius Rodrigues Moreira,
  • Antonio Manoel Matta dos Santos Lameirão and
  • Oswaldo Curty da Motta Lima
  • + 3 authors

30 July 2024

This study introduces an orbital monitoring system designed to quantify non-technical losses (NTLs) within electricity distribution networks. Leveraging Sentinel-2 satellite imagery alongside advanced techniques in computer vision and machine learnin...

  • Article
  • Open Access
15 Citations
9,513 Views
16 Pages

The Impact of Smart Prepaid Metering on Non-Technical Losses in Ghana

  • Gideon Otchere-Appiah,
  • Shingo Takahashi,
  • Mavis Serwaa Yeboah and
  • Yuichiro Yoshida

26 March 2021

The high incidence of electricity theft, meter tampering, meter bypassing, reading errors, and defective and aged meters, among others, increases utility losses, especially non-technical losses (NTL). A utility in Ghana piloted a non-technical loss r...

  • Article
  • Open Access
3 Citations
2,331 Views
22 Pages

HyMOTree: Automatic Hyperparameters Tuning for Non-Technical Loss Detection Based on Multi-Objective and Tree-Based Algorithms

  • Francisco Jonatas Siqueira Coelho,
  • Allan Rivalles Souza Feitosa,
  • André Luís Michels Alcântara,
  • Kaifeng Li,
  • Ronaldo Ferreira Lima,
  • Victor Rios Silva and
  • Abel Guilhermino da Silva-Filho

27 June 2023

The most common methods to detect non-technical losses involve Deep Learning-based classifiers and samples of consumption remotely collected several times a day through Smart Meters (SMs) and Advanced Metering Infrastructure (AMI). This approach requ...

  • Review
  • Open Access
14 Citations
4,085 Views
27 Pages

Non-Hardware-Based Non-Technical Losses Detection Methods: A Review

  • Fernando G. K. Guarda,
  • Bruno K. Hammerschmitt,
  • Marcelo B. Capeletti,
  • Nelson K. Neto,
  • Laura L. C. dos Santos,
  • Lucio R. Prade and
  • Alzenira Abaide

20 February 2023

Non-Technical Losses (NTL) represent a serious concern for electric companies. These losses are responsible for revenue losses, as well as reduced system reliability. Part of the revenue loss is charged to legal consumers, thus, causing social imbala...

  • Article
  • Open Access
3 Citations
2,053 Views
32 Pages

2 April 2025

Detecting fraudulent behaviors in electricity consumption is a significant challenge for electric utility companies due to the lack of information and the complexity of both constructing patterns and distinguishing between regular and fraudulent cons...

  • Proceeding Paper
  • Open Access
1,173 Views
13 Pages

18 November 2024

The Ecuadorian electricity sector, until April 2024, presented losses of 15.64% (6.6% technical and 9.04% non-technical), so it is important to detect the areas that potentially sub-register energy in order to reduce Non-Technical Losses (NTLs). The...

  • Article
  • Open Access
11 Citations
2,940 Views
25 Pages

Computational Intelligent Approaches for Non-Technical Losses Management of Electricity

  • Rubén González Rodríguez,
  • Jamer Jiménez Mares and
  • Christian G. Quintero M.

11 May 2020

This paper presents an intelligent system for the detection of non-technical losses of electrical energy associated with the fraudulent behaviors of system users. This proposal has three stages: a non-supervised clustering of consumption profiles bas...

  • Article
  • Open Access
6 Citations
2,768 Views
15 Pages

30 October 2020

Utility companies have a great interest in identifying energy losses. Here, we focus on Non-Technical Losses (NTL), which refer to losses caused by utility theft or meter errors. Typically, utility companies resort to machine learning solutions to au...

  • Article
  • Open Access
6 Citations
3,320 Views
16 Pages

Detection of Non-Technical Losses on a Smart Distribution Grid Based on Artificial Intelligence Models

  • Murilo A. Souza,
  • Hugo T. V. Gouveia,
  • Aida A. Ferreira,
  • Regina Maria de Lima Neta,
  • Otoni Nóbrega Neto,
  • Milde Maria da Silva Lira,
  • Geraldo L. Torres and
  • Ronaldo R. B. de Aquino

4 April 2024

Non-technical losses (NTL) have been a growing problem over the years, causing significant financial losses for electric utilities. Among the methods for detecting this type of loss, those based on Artificial Intelligence (AI) have been the most popu...

  • Article
  • Open Access
3 Citations
1,633 Views
17 Pages

Detection of Non-Technical Losses in Irrigant Consumers through Artificial Intelligence: A Pilot Study

  • Vanessa Gindri Vieira,
  • Daniel Pinheiro Bernardon,
  • Vinícius André Uberti,
  • Rodrigo Marques de Figueiredo,
  • Lucas Melo de Chiara and
  • Juliano Andrade Silva

26 September 2023

Non-technical losses (NTLs) verified in the power distribution grids cause great financial losses to power utilities. In rural distribution grids, fraudulent consumers contribute to technical problems. The Southern region in Brazil contains more than...

  • Article
  • Open Access
59 Citations
4,160 Views
18 Pages

Knowledge Embedded Semi-Supervised Deep Learning for Detecting Non-Technical Losses in the Smart Grid

  • Xiaoquan Lu,
  • Yu Zhou,
  • Zhongdong Wang,
  • Yongxian Yi,
  • Longji Feng and
  • Fei Wang

6 September 2019

Non-technical losses (NTL) caused by fault or electricity theft is greatly harmful to the power grid. Industrial customers consume most of the power energy, and it is important to reduce this part of NTL. Currently, most work concentrates on analyzin...

  • Article
  • Open Access
53 Citations
8,184 Views
25 Pages

Detection of Non-Technical Losses in Power Utilities—A Comprehensive Systematic Review

  • Muhammad Salman Saeed,
  • Mohd Wazir Mustafa,
  • Nawaf N. Hamadneh,
  • Nawa A. Alshammari,
  • Usman Ullah Sheikh,
  • Touqeer Ahmed Jumani,
  • Saifulnizam Bin Abd Khalid and
  • Ilyas Khan

11 September 2020

Electricity theft and fraud in energy consumption are two of the major issues for power distribution companies (PDCs) for many years. PDCs around the world are trying different methodologies for detecting electricity theft. The traditional methods fo...

  • Article
  • Open Access
79 Citations
8,001 Views
16 Pages

Ensemble Bagged Tree Based Classification for Reducing Non-Technical Losses in Multan Electric Power Company of Pakistan

  • Muhammad Salman Saeed,
  • Mohd Wazir Mustafa,
  • Usman Ullah Sheikh,
  • Touqeer Ahmed Jumani and
  • Nayyar Hussain Mirjat

Non-technical losses (NTLs) have been a major concern for power distribution companies (PDCs). Billions of dollars are lost each year due to fraud in billing, metering, and illegal consumer activities. Various studies have explored different methodol...

  • Article
  • Open Access
9 Citations
2,270 Views
22 Pages

7 March 2023

Non-technical losses (NTLs) are one of the main problems that electricity distribution utilities face in developing regions such as Latin America, the Caribbean, sub-Saharan Africa, and South Asia. Particularly in Brazil, based on the socioeconomic a...

  • Article
  • Open Access
42 Citations
4,838 Views
17 Pages

8 May 2019

The application of Artificial Intelligence techniques in industry equips companies with new essential tools to improve their principal processes. This is especially true for energy companies, as they have the opportunity, thanks to the modernization...

  • Article
  • Open Access
2 Citations
2,451 Views
51 Pages

TNT Loss: A Technical and Nontechnical Generative Cooperative Energy Loss Detection System

  • Netzah Calamaro,
  • Michael Levy,
  • Ran Ben-Melech and
  • Doron Shmilovitz

15 September 2022

This paper describes an electricity technical/nontechnical loss detection method capable of loss type identification, classification, and location. Several technologies are implemented to obtain that goal: (i) an architecture of three generative coop...

  • Article
  • Open Access
15 Citations
4,309 Views
19 Pages

Detecting Nontechnical Losses in Smart Meters Using a MLP-GRU Deep Model and Augmenting Data via Theft Attacks

  • Benish Kabir,
  • Umar Qasim,
  • Nadeem Javaid,
  • Abdulaziz Aldegheishem,
  • Nabil Alrajeh and
  • Emad A. Mohammed

13 November 2022

The current study uses a data-driven method for Nontechnical Loss (NTL) detection using smart meter data. Data augmentation is performed using six distinct theft attacks on benign users’ samples to balance the data from honest and theft samples...

  • Article
  • Open Access
13 Citations
4,866 Views
23 Pages

Technical Loss Calculation in Distribution Grids Using Equivalent Minimum Order Networks and an Iterative Power Factor Correction Procedure

  • Carlos Eduardo Moreira Rodrigues,
  • Maria Emilia de Lima Tostes,
  • Ubiratan Holanda Bezerra,
  • Thiago Mota Soares,
  • Edson Ortiz de Matos,
  • Lázaro Serra Soares Filho,
  • Elaine Cristina dos Santos Silva,
  • Michel Ferreira Rendeiro and
  • Carlos Jeferson da Silva Moura

27 January 2021

Energy losses are a fundamental issue in the electricity distribution sector, being an inevitable consequence of transporting energy from supplying sources to consumers’ installations and are becoming one of the factors to be considered in plan...

  • Article
  • Open Access
10 Citations
3,805 Views
24 Pages

10 March 2020

This study proposes a fuzzy self-organized neural networks (SOM) model for detecting fraud by domestic customers, the major cause of non-technical losses in power distribution networks. Using a bottom-up approach, normal behavior patterns of househol...

  • Article
  • Open Access
92 Citations
6,861 Views
21 Pages

LSTM and Bat-Based RUSBoost Approach for Electricity Theft Detection

  • Muhammad Adil,
  • Nadeem Javaid,
  • Umar Qasim,
  • Ibrar Ullah,
  • Muhammad Shafiq and
  • Jin-Ghoo Choi

25 June 2020

The electrical losses in power systems are divided into non-technical losses (NTLs) and technical losses (TLs). NTL is more harmful than TL because it includes electricity theft, faulty meters and billing errors. It is one of the major concerns in th...

  • Article
  • Open Access
41 Citations
5,010 Views
13 Pages

Effective Electricity Theft Detection in Power Distribution Grids Using an Adaptive Neuro Fuzzy Inference System

  • Konstantinos V. Blazakis,
  • Theodoros N. Kapetanakis and
  • George S. Stavrakakis

16 June 2020

Electric power grids are a crucial infrastructure for the proper operation of any country and must be preserved from various threats. Detection of illegal electricity power consumption is a crucial issue for distribution system operators (DSOs). Mini...

  • Article
  • Open Access
335 Citations
18,655 Views
18 Pages

Electricity Theft Detection in Smart Grid Systems: A CNN-LSTM Based Approach

  • Md. Nazmul Hasan,
  • Rafia Nishat Toma,
  • Abdullah-Al Nahid,
  • M M Manjurul Islam and
  • Jong-Myon Kim

28 August 2019

Among an electricity provider’s non-technical losses, electricity theft has the most severe and dangerous effects. Fraudulent electricity consumption decreases the supply quality, increases generation load, causes legitimate consumers to pay ex...

  • Article
  • Open Access
14 Citations
5,553 Views
17 Pages

26 March 2024

The digitization of distribution power systems has revolutionized the way data are collected and analyzed. In this paper, the critical task of harnessing this information to identify irregularities and anomalies in electricity consumption is tackled....

  • Article
  • Open Access
8 Citations
1,859 Views
16 Pages

An Efficient Method for Detecting Abnormal Electricity Behavior

  • Chao Tang,
  • Yunchuan Qin,
  • Yumeng Liu,
  • Huilong Pi and
  • Zhuo Tang

23 May 2024

The non-technical losses caused by abnormal power consumption behavior of power users seriously affect the revenue of power companies and the quality of power supply. To assist electric power companies in improving the efficiency of power consumption...

  • Review
  • Open Access
10 Citations
3,875 Views
33 Pages

Data-Driven Machine Learning Methods for Nontechnical Losses of Electrical Energy Detection: A State-of-the-Art Review

  • Andrey Pazderin,
  • Firuz Kamalov,
  • Pavel Y. Gubin,
  • Murodbek Safaraliev,
  • Vladislav Samoylenko,
  • Nikita Mukhlynin,
  • Ismoil Odinaev and
  • Inga Zicmane

6 November 2023

Nontechnical losses of electrical energy (NTLEE) have been a persistent issue in both the Russian and global electric power industries since the end of the 20th century. Every year, these losses result in tens of billions of dollars in damages. Promp...

  • Article
  • Open Access
5 Citations
2,894 Views
23 Pages

Identification of Nontechnical Losses in Distribution Systems Adding Exogenous Data and Artificial Intelligence

  • Marcelo Bruno Capeletti,
  • Bruno Knevitz Hammerschmitt,
  • Renato Grethe Negri,
  • Fernando Guilherme Kaehler Guarda,
  • Lucio Rene Prade,
  • Nelson Knak Neto and
  • Alzenira da Rosa Abaide

22 November 2022

Nontechnical losses (NTL) are irregularities in the consumption of electricity and mainly caused by theft and fraud. NTLs can be characterized as outliers in historical data series. The use of computational tools to identify outliers is the subject o...

  • Article
  • Open Access
50 Citations
5,331 Views
21 Pages

Detection of Non-Technical Losses Using SOSTLink and Bidirectional Gated Recurrent Unit to Secure Smart Meters

  • Hira Gul,
  • Nadeem Javaid,
  • Ibrar Ullah,
  • Ali Mustafa Qamar,
  • Muhammad Khalil Afzal and
  • Gyanendra Prasad Joshi

30 April 2020

Energy consumption is increasing exponentially with the increase in electronic gadgets. Losses occur during generation, transmission, and distribution. The energy demand leads to increase in electricity theft (ET) in distribution side. Data analysis...

  • Article
  • Open Access
18 Citations
4,096 Views
20 Pages

A Hybrid Deep Learning-Based Model for Detection of Electricity Losses Using Big Data in Power Systems

  • Adnan Khattak,
  • Rasool Bukhsh,
  • Sheraz Aslam,
  • Ayman Yafoz,
  • Omar Alghushairy and
  • Raed Alsini

21 October 2022

Electricity theft harms smart grids and results in huge revenue losses for electric companies. Deep learning (DL), machine learning (ML), and statistical methods have been used in recent research studies to detect anomalies and illegal patterns in el...

  • Article
  • Open Access
12 Citations
2,856 Views
16 Pages

30 May 2022

Several approaches have been proposed to detect any malicious manipulation caused by electricity fraudsters. Some of the significant approaches are Machine Learning algorithms and data-based methods that have shown advantages compared to the traditio...

  • Article
  • Open Access
1 Citations
2,952 Views
16 Pages

24 March 2022

Nontechnical losses in electricity distribution networks are often associated with a countries’ socioeconomic situation. Although the amount of global losses is usually known, the separation between technical and commercial (nontechnical) losse...

  • Article
  • Open Access
44 Citations
5,948 Views
19 Pages

An Efficient Boosted C5.0 Decision-Tree-Based Classification Approach for Detecting Non-Technical Losses in Power Utilities

  • Muhammad Salman Saeed,
  • Mohd Wazir Mustafa,
  • Usman Ullah Sheikh,
  • Touqeer Ahmed Jumani,
  • Ilyas Khan,
  • Samer Atawneh and
  • Nawaf N. Hamadneh

23 June 2020

Electricity fraud in billing are the primary concerns for Distribution System Operators (DSO). It is estimated that billions of dollars are wasted annually due to these illegal activities. DSOs around the world, especially in underdeveloped countries...

  • Article
  • Open Access
25 Citations
4,178 Views
23 Pages

GrAb: A Deep Learning-Based Data-Driven Analytics Scheme for Energy Theft Detection

  • Sudeep Tanwar,
  • Aparna Kumari,
  • Darshan Vekaria,
  • Maria Simona Raboaca,
  • Fayez Alqahtani,
  • Amr Tolba,
  • Bogdan-Constantin Neagu and
  • Ravi Sharma

26 May 2022

Integrating information and communication technology (ICT) and energy grid infrastructures introduces smart grids (SG) to simplify energy generation, transmission, and distribution. The ICT is embedded in selected parts of the grid network, which par...

  • Article
  • Open Access
13 Citations
10,297 Views
19 Pages

22 May 2020

One of the keys of enhancing the quality of electric power supply resides in the accuracy of the consumption metering. Nowadays development of the sensors, devices and systems for electricity metering offers the basis for this service. Nevertheless,...

  • Article
  • Open Access
65 Citations
5,290 Views
20 Pages

19 April 2020

Effective detection of electricity theft is essential to maintain power system reliability. With the development of smart grids, traditional electricity theft detection technologies have become ineffective to deal with the increasingly complex data o...

  • Proceeding Paper
  • Open Access
5 Citations
6,059 Views
12 Pages

14 September 2020

Burundi faces low access to electricity and low quality of service. It depends on the interconnected networks constructed in the decade of 1980. Despite the different reforms relating to the liberalization and reorganization of the electricity sector...

  • Article
  • Open Access
8 Citations
3,230 Views
23 Pages

Innovative Methodology to Identify Errors in Electric Energy Measurement Systems in Power Utilities

  • Marco Toledo-Orozco,
  • Carlos Arias-Marin,
  • Carlos Álvarez-Bel,
  • Diego Morales-Jadan,
  • Javier Rodríguez-García and
  • Eddy Bravo-Padilla

11 February 2021

Many electric utilities currently have a low level of smart meter implementation on traditional distribution grids. These utilities commonly have a problem associated with non-technical energy losses (NTLs) to unidentified energy flows consumed, but...

  • Article
  • Open Access
1 Citations
578 Views
23 Pages

A Hybrid Machine Learning Framework for Electricity Fraud Detection: Integrating Isolation Forest and XGBoost for Real-World Utility Data

  • Thomas Vitor P. Monteiro,
  • Glaucio José Bezerra Cavalcante Castor,
  • Carlos Gilmer Castillo Correa,
  • Hector Raul Chavez Arias,
  • Dionicio Zócimo Ñaupari Huatuco and
  • Yuri Percy Molina Rodriguez

28 November 2025

This paper proposes a hybrid machine learning framework for detecting electricity fraud within the broader context of Non-Technical Losses (NTLs) in power-distribution systems. The framework combines unsupervised anomaly detection using Isolation For...

  • Article
  • Open Access
21 Citations
11,122 Views
20 Pages

16 October 2012

This paper presents strategic visions, scenarios and action plans for enhancing Tanzania Power Systems towards next generation Smart Power Grid. It first introduces the present Tanzanian power grid and the challenges ahead in terms of generation capa...

  • Review
  • Open Access
1 Citations
4,892 Views
67 Pages

Technical Losses in Power Networks: Mechanisms, Mitigation Strategies, and Future Directions

  • Pooya Parvizi,
  • Milad Jalilian,
  • Alireza Mohammadi Amidi,
  • Mohammad Reza Zangeneh and
  • Jordi-Roger Riba

28 August 2025

Technical losses (TLs) in power systems are an inevitable outcome of energy dissipation in components such as conductors, transformers, and transmission lines. These losses arise from the combined effects of material properties, operational condition...

  • Systematic Review
  • Open Access
2 Citations
3,596 Views
43 Pages

Electricity Losses in Focus: Detection and Reduction Strategies—State of the Art

  • Daniela F. Niste,
  • Radu Tîrnovan,
  • Sorin Pavel,
  • Horia Beleiu,
  • Cziker Andrei and
  • Marius Misaroș

23 March 2025

In contemporary society, electricity has become one of the most prevalent energy sources, with a global distribution network. The significance of energy efficiency has become a prominent subject of interest across various disciplines, leading to a no...

  • Article
  • Open Access
12 Citations
4,663 Views
20 Pages

An Ontology-Based Expert System for Rice Disease Identification and Control Recommendation

  • Watanee Jearanaiwongkul,
  • Chutiporn Anutariya,
  • Teeradaj Racharak and
  • Frederic Andres

7 November 2021

A great deal of information related to rice cultivation has been published on the web. Conventionally, this information is studied by end-users to identify pests, and to prevent production losses from rice diseases. Despite its benefits, such informa...

  • Article
  • Open Access
388 Views
21 Pages

Incentive Mechanism Design for Privacy-Aware Energy Theft Detection Based on Contract Theory

  • Endong Liu,
  • Wang Sun,
  • Yuwen Huang,
  • Mingcong Li and
  • Jinglei Zhou

20 November 2025

Energy theft remains a major source of non-technical losses in smart grids, leading to significant economic damage and operational risks. Traditional detection methods often rely on fine-grained user consumption data, raising serious privacy concerns...

  • Article
  • Open Access
1 Citations
2,323 Views
41 Pages

Socio-Economic Analysis for Adoption of Smart Metering System in SAARC Region: Current Challenges and Future Perspectives

  • Zain Khalid,
  • Syed Ali Abbas Kazmi,
  • Muhammad Hassan,
  • Sayyed Ahmad Ali Shah,
  • Mustafa Anwar,
  • Muhammad Yousif and
  • Abdul Haseeb Tariq

25 July 2025

Cross-border energy trading activity via interconnection has received much attention in Southern Asia to help the South Asian Association for Regional Cooperation (SAARC) region’s energy deficit states. This research article proposed a smart me...

  • Perspective
  • Open Access
99 Citations
13,845 Views
11 Pages

22 February 2021

Many industrial processes are dependent on the proper application of modern tribological knowledge for the purposes of maintaining equipment integrity and minimizing total energy losses. Consequently, the development of modern lubricants is vital for...

  • Article
  • Open Access
512 Views
23 Pages

Improved DBSCAN-Based Electricity Theft Detection Using Spatiotemporal Fusion Features

  • Jianlin Chen,
  • Zhe Guan,
  • Wei Bai,
  • Jiayue Liu,
  • Yanlong Zhao,
  • Junyu Zhou and
  • Lan Xiong

12 November 2025

Electricity theft is a major source of non-technical losses in distribution networks, threatening both economic revenues and power supply reliability. This study addresses the identification of nodes exhibiting anomalous load behavior (anomalous node...

  • Article
  • Open Access
3 Citations
1,556 Views
19 Pages

Scientometric Analysis of Publications on Household Electricity Theft and Energy Consumption Load Profiling in a Smart Grid Context

  • José Antonio Moreira de Rezende,
  • Reginaldo Gonçalves Leão Junior and
  • Otávio de Souza Martins Gomes

14 November 2024

This study provides a scientometric analysis of research focused on energy theft detection and load profiling in smart grid networks. Data were retrieved from the Web of Science and Scopus databases, covering publications from 2003 to April 2024. Usi...

  • Project Report
  • Open Access
5 Citations
1,869 Views
15 Pages

Estimation of Electrical Energy Consumption in Irrigated Rice Crops in Southern Brazil

  • Daniel Lima Lemes,
  • Matheus Mello Jacques,
  • Natalia Bastos Sousa,
  • Daniel Pinheiro Bernardon,
  • Mauricio Sperandio,
  • Juliano Andrade Silva,
  • Lucas M. Chiara and
  • Martin Wolter

21 September 2023

On average, 70% of the world’s freshwater is used in agriculture, with farmers transitioning to electrical irrigation systems to increase productivity, reduce climate uncertainties, and decrease water consumption. In Brazil, where agriculture i...

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