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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…


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,…


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
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: Solid-State Batteries and Infrastructure Upgrades

Briefs: Solid-State Batteries and Infrastructure Upgrades

Donut Lab and ION Storage Systems are advancing their solid-state battery technologies, and the U.S. Department of Energy and PPL Electric…


News Mar 19, 2026 by Karen Hanson
Substation Commissioning and Testing—Part 2: Pre-Commissioning Inspections

Substation Commissioning and Testing—Part 2: Pre-Commissioning Inspections

This article walks through pre‑commissioning inspections and electrical tests commonly used in utility and industrial substations, translating…


Substation Commissioning and Testing—Part 1: Scope and Workflow

Substation Commissioning and Testing—Part 1: Scope and Workflow

Learn how substation commissioning verifies design intent and system integration through FAT, SAT, cold (pre-energization), and hot…


Smart Substations and Digitalization—Part 4: Data Analytics and ML

Smart Substations and Digitalization—Part 4: Data Analytics and ML

Learn how smart substations can leverage IEC 61850 and CIM for data flow. Advanced analytics and machine learning (ML) can turn high-res data into…


Maximize Inference Throughput Under Power Constraints: A Cross-Layer Strategy

Maximize Inference Throughput Under Power Constraints: A Cross-Layer Strategy

Learn how cross-layer coordination—power, cooling, scheduling—unlocks stranded data center capacity for AI inference. By prioritizing…


How Demand, Grid Investment, and AI are Shaping the U.S. Energy Landscape

How Demand, Grid Investment, and AI are Shaping the U.S. Energy Landscape

Learn how the US energy sector in 2026 is defined by trends such as an acceleration of grid investment due to AI/electrification demands, and…


Substation Design and Layout Planning—Part 3: Noise and Oil Control Issues

Substation Design and Layout Planning—Part 3: Noise and Oil Control Issues

In the final part of this series, we examine substation design practices for managing two critical issues: oil containment and noise control.


Top 5 Ways Drone Inspections Boost Safety and Efficiency

Top 5 Ways Drone Inspections Boost Safety and Efficiency

Drone inspections can improve safety, cut costs, and deliver faster, data-rich assessments across power generation and transmission, transforming…


Substation Design and Layout Planning—Part 1: Early Stage Decisions

Substation Design and Layout Planning—Part 1: Early Stage Decisions

In this new article series, we look at substation design and layout planning, starting here with early stage choices and physical layout.


Briefs: Moves in EV Batteries and Charging, VPPs, and Geothermal

Briefs: Moves in EV Batteries and Charging, VPPs, and Geothermal

Acquisitions, partnerships, and funding are impacting Posco, Factorial, Horizon Motor, Chery Automotive, Infineon, Electreon, EnergyHub, Resideo…


News Dec 11, 2025 by Karen Hanson
Substation Components—Part 8: Grounding/Earthing Systems

Substation Components—Part 8: Grounding/Earthing Systems

As we wrap up this series, this article outlines the purpose of substation grounding, the IEE Std 80 design, and best-practice field testing.


Thermal Co-Design, Cooling Architecture Optimization, and Reliability Validation

Thermal Co-Design, Cooling Architecture Optimization, and Reliability Validation

Explore electro-thermal cooling design and reliability validation for high-voltage SiC and IGBT power modules.


Substation Components—Part 6: Station Batteries and DC Supply

Substation Components—Part 6: Station Batteries and DC Supply

In substations, the DC system is critical for protection, control, and SCADA during AC loss. Learn about the relevant IEEE standards, choosing the…