The Electricity Forum - Electricity Today T&D Magazine – Intelligent Transformers & Substations Fall 2025 Special Edition

In this special edition of Intelligent Transformers & Substations, we examine the technologies, testing practices, and digital innovations reshaping today’s transformer and substation environments. As utilities modernize their grids, the integration of AI, IEC 61850–based automation, deterministic communications, and digital twins is accelerating the shift toward smarter, safer, and more predictive electrical infrastructure.

From advanced condition monitoring to interoperable testing and private 5G protection networks, this issue highlights engineering strategies that support higher reliability, reduced risk, and improved long-term asset performance. Each article provides technical insights to help utilities navigate the transition to digital substations and intelligent transformer systems.

Read our feature articles:

• The Role of AI and Machine Learning in Predicting Transformer Faults

• Zero-Trust Substations: How CIP Is Shifting to Continuous Vendor and Supply-Chain Risk Management

• Migrating to IEC 61850 Ed. 2.1, Process Bus, and Interoperable Testing

• Deterministic Communications for Protection: TSN + Private 5G

• AI at the Substation Edge: Digital Twins & Predictive Maintenance for Transformers and Switchgear