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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…


Designing Power Supplies for Industrial Functional Safety—Part 2: Creating a Safe Power Design

Designing Power Supplies for Industrial Functional Safety—Part 2: Creating a Safe Power Design

While Part 1 of this series showed what the IEC 61508 requires from power supplies to achieve functional safety, Part 2 provides insights into…


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
Mean Well Serves Up 6 kW and 12 kW Energy Storage Inverters

Mean Well Serves Up 6 kW and 12 kW Energy Storage Inverters

The single-phase and three-phase inverters target high-efficiency residential and commercial photovoltaic applications with flexible grid-tied and…


new products May 19, 2026 by Jake Hertz
Littelfuse Launches High-Voltage TVS Diodes for Power Protection

Littelfuse Launches High-Voltage TVS Diodes for Power Protection

The high-voltage TVS diode family delivers a stand-off voltage of up to 400 V in a single AEC-Q101 SMC package.


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…


Briefs: Companies Partner for Grid Stability and Storage

Briefs: Companies Partner for Grid Stability and Storage

Sungrow, Frank Energy, Hitachi Energy, Samsung C&T, Rivian, Redwood Materials, Kraftwerke Oberhasli, and Voith have formed strategic partnerships.


News Apr 23, 2026 by Karen Hanson
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…


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…


Substation Commissioning and Testing—Part 3: Field Testing

Substation Commissioning and Testing—Part 3: Field Testing

Substation field testing ensures long-term reliability. It verifies instrument transformers , circuit breakers, and protection relays against…


Briefs: Big Moves for Battery Energy Storage Systems

Briefs: Big Moves for Battery Energy Storage Systems

Tesla, LG Energy Solution, General Motors, Airengy, and Arevon are among the companies investing in battery energy storage technologies and…


News Mar 26, 2026 by Karen Hanson
Mean Well Expands Online UPS Portfolio for Critical Needs

Mean Well Expands Online UPS Portfolio for Critical Needs

Mean Well’s new online uninterruptible power systems deliver 1 to 3 kW of reliable backup power for critical applications.


TI Intros 2 Isolated Power Modules Plus IsoShield Packaging

TI Intros 2 Isolated Power Modules Plus IsoShield Packaging

Today at APEC, Texas Instruments demonstrated its isolated power modules and its proprietary IsoShield technology, aimed at EV and data needs.…


News Mar 23, 2026 by Karen Hanson
Google and Tesla Lead Coalition for Grid Optimization

Google and Tesla Lead Coalition for Grid Optimization

The Utilize coalition wants to address the energy crunch by maximizing the power grid’s efficiency through software tools, battery storage, and…


News Mar 18, 2026 by Karen Hanson