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Distribution Transformers and Voltage Regulation—Part 2: Step-Down Transformers

Distribution Transformers and Voltage Regulation—Part 2: Step-Down Transformers

Distribution transformers shape network voltage and fault behavior. Learn how winding configurations, vector groups, and grounding methods impact…


When the Grid Becomes Software

When the Grid Becomes Software

How utilities can avoid the telecom industry’s historical virtualization mistakes to successfully build a software-orchestrated, resilient energy…


 Securing and Scaling a Connected Grid: Communications Architecture

Securing and Scaling a Connected Grid: Communications Architecture

Modernizing the grid into a distributed, data-driven system requires secure and flexible communication networks to handle the growing complexity of…


Distribution Transformers and Voltage Regulation—Part 1: Introduction

Distribution Transformers and Voltage Regulation—Part 1: Introduction

Learn how distribution transformers bridge medium-voltage feeders and end-use equipment, ensuring stable voltage through strategic placement,…


After the Flight: Why Drone Inspection Is Only Half the Job

After the Flight: Why Drone Inspection Is Only Half the Job

Maximizing the value of aerial PV inspections requires integrating thermal data into structured post-flight workflows, data prioritization, and…


Primary Distribution Systems—Part 4: Fault Levels and Short Circuits

Primary Distribution Systems—Part 4: Fault Levels and Short Circuits

Learn about fault levels and short-circuit protection for medium-voltage distribution. We’ll examine current sources, fault types, symmetrical…


Briefs: Developments in Data Centers, Storage, and Nuclear

Briefs: Developments in Data Centers, Storage, and Nuclear

NextEra Energy, Dominion Energy, EnerVenue, National Laboratory of the Rockies, and many other energy companies are focusing on AI data centers,…


News May 21, 2026 by Karen Hanson
NERC Warns AI Data Centers Threaten Grid Reliability

NERC Warns AI Data Centers Threaten Grid Reliability

North America’s grid watchdog has issued a Level 3 alert—the most serious—over reliability risks posed by computational load.


News May 20, 2026 by Shannon Cuthrell
Primary Distribution Systems—Part 3: Overhead and Underground Choices

Primary Distribution Systems—Part 3: Overhead and Underground Choices

Overhead vs. underground power distribution: Learn the cost, reliability, and design trade-offs for medium voltage power systems across urban,…


Primary Distribution Systems—Part 2: Protective Devices, Automation

Primary Distribution Systems—Part 2: Protective Devices, Automation

Protective devices, such as reclosers and sectionalizers, along with automation, can quickly detect, isolate, and restore service after faults.


Briefs: Fission and Fusion, Nuclear Projects Abound

Briefs: Fission and Fusion, Nuclear Projects Abound

Brookfield, The Nuclear Company, Westinghouse Nuclear, Commonwealth Fusion Systems, Blue Energy, GE Vernova, FANCO, and X-energy are among the…


News May 07, 2026 by Karen Hanson
Distribution System Fundamentals—Part 3: Emerging Trends

Distribution System Fundamentals—Part 3: Emerging Trends

This article provides analysis steps and implementation strategies for distributed energy resource behavior, transportation electrification, and…


Briefs: AI Data Centers Inspire Tech in Solar, Storage, Fusion

Briefs: AI Data Centers Inspire Tech in Solar, Storage, Fusion

Meta, IBM, Overview Energy, Noon Energy, CATL, Hyperstrong, and Emerald AI are among the companies working toward groundbreaking technology…


News Apr 30, 2026 by Karen Hanson
Why Fragmented Intelligence Undermines Grid Reliability

Why Fragmented Intelligence Undermines Grid Reliability

Relying on periodic snapshots for transformer health leads to costly failures, but continuous, real-time hydrogen monitoring can avoid them.


Distribution System Fundamentals—Part 2: Topologies and Reliability

Distribution System Fundamentals—Part 2: Topologies and Reliability

Explore distribution topologies, from simple radial feeders to complex networks, and examine reliability metrics, common causes of outages, and…


Hitachi Energy Launches AI-Powered Suite for Infrastructure

Hitachi Energy Launches AI-Powered Suite for Infrastructure

The HMAX Energy platform combines digital twins, predictive analytics, and expert field support to reduce transformer failures by up to 50%.


new products Apr 24, 2026 by Luke James
Why Oscilloscope Bandwidth Specs Are Often Misleading for HV Measurement

Why Oscilloscope Bandwidth Specs Are Often Misleading for HV Measurement

Oscilloscope bandwidth can quietly change high-voltage transients and hide the real dv/dt stress, not just probe capacitance or ground inductance.


Powering the Energy Transition: Why Transformer Insulation and Sealing Matter

Powering the Energy Transition: Why Transformer Insulation and Sealing Matter

Learn the engineering challenges of ensuring transformer resilience and managing the shift to new ester and silicone oils with advanced, PFAS-free…


Briefs: Companies Aim to Diversify Energy Assets and Reliability

Briefs: Companies Aim to Diversify Energy Assets and Reliability

AWS, Siemens Energy, Mortenson, Nor-Cal Controls, Xcel Energy, and the State of New Jersey have all made decisions to expand energy diversity and…


News Apr 16, 2026 by Karen Hanson
Substation Commissioning and Testing—Part 4: SCADA and Comms Systems

Substation Commissioning and Testing—Part 4: SCADA and Comms Systems

Learn how modern substation commissioning extends beyond plant checks to verify SCADA, comms, cybersecurity, and data integrity for safe operation…