Case Study

Energy – AI-Powered Anomaly Detection for Smart Energy Meter Data

T&S deployed an AI-driven data-quality solution detecting anomalies across millions of daily smart-meter measurements for a European energy operator.

Launch Date
June 14, 2026
Expertises / sectors
Energy
Data & AI
Client
Confidential – Energy distribution operator
Technology and tools
Artificial Intelligence; Data quality management; Smart-grid analytics; Anomaly detection; Energy data processing; Industrial data integration
Project

As smart-grid infrastructures expand, utility operators must manage growing volumes of meter data while ensuring reliability and accuracy. A major European energy distribution operator partnered with T&S to deploy an AI-driven data-quality solution automatically detecting anomalies across millions of daily measurements, improving error detection for single-phase and three-phase smart meters while cutting manual qualification effort.

Client context

The client, a leading energy distribution company managing a nationwide smart-meter network, needed to strengthen monitoring and qualification of data from connected electricity meters. Rule-based approaches required heavy manual effort and adapted poorly to evolving usage and subscription models, so the client sought a scalable, intelligent approach detecting anomalies directly from daily meter streams.

Business challenges

  • Improve anomaly detection without extensive manual business-rule coding
  • Process heterogeneous data from single-phase and three-phase meters at high reliability
  • Reduce the operational workload of error qualification and analysis
  • Scale detection performance while simplifying operational monitoring

The T&S solution

T&S deployed and configured an AI-powered data-quality solution for smart-meter anomaly detection and qualification. It identifies abnormal behaviour directly from daily meter data without extensive predefined business rules, detecting incoherent consumption-index evolution, abnormal maximum power values, inconsistent distributor/supplier readings and irregular phase-level power behaviours on three-phase installations. T&S also supported integration and configuration to ensure compatibility with the client's operational environment.

Technologies & expertise

  • Artificial Intelligence
  • Data quality management
  • Smart-grid analytics
  • Anomaly detection
  • Energy data processing
  • Industrial data integration

Results & business value

Higher detection quality with reduced manual analysis and qualification workload. Automated handling of usage conditions and subscription rules simplified operational monitoring and reinforced the reliability of smart-meter data, supporting more accurate operational decisions.

Conclusion

The project highlights T&S's expertise in combining AI, data analytics and energy-infrastructure knowledge to solve large-scale operational challenges and support the digital transformation of smart-grid operations.

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