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Distribution Transformers and Voltage Regulation—Part 4: On- and Off-Load Tap Changers

Distribution Transformers and Voltage Regulation—Part 4: On- and Off-Load Tap Changers

In this article, we detail distribution transformer tap changers: fixed off-load (DETC) vs. dynamic on-load (OLTC) types, their operational roles,…


Hitachi Energy Commits to Flying Taxi Energy Solutions

Hitachi Energy Commits to Flying Taxi Energy Solutions

The company has partnered with Eve Air Mobility to provide ground power infrastructure for its eVTOL aircraft.


News Jul 24, 2026 by Karen Hanson
Analytical Relationship Between Feedback Loop Properties and Load Transient Response in Voltage Converters

Analytical Relationship Between Feedback Loop Properties and Load Transient Response in Voltage Converters

Here we present a generic, topology-independent loop model for voltage converters, linking frequency-domain design to time-domain performance using…


Low Voltage GaN Surpasses MOSFETs in AI Power Density

Low Voltage GaN Surpasses MOSFETs in AI Power Density

AI workloads are reshaping computing server power delivery requirements. Low-voltage GaN is emerging as a key enabler of higher efficiency and…


Renewable Energy to Power AI Data Center Near Amazon River

Renewable Energy to Power AI Data Center Near Amazon River

The AI computing facility in northern Brazil, powered by 100% renewable energy, is expected to be operational in mid-2027.


News Jul 16, 2026 by Claire Turvill
Emerson Launches Sync Tool for Digital Twins in Power Plants

Emerson Launches Sync Tool for Digital Twins in Power Plants

The Ovation Curation Tool software automates version control and change tracking between production Ovation systems and their simulation models


new products Jul 13, 2026 by Luke James
Distribution Transformers and Voltage Regulation—Part 3: Mounting

Distribution Transformers and Voltage Regulation—Part 3: Mounting

This article contrasts pole-mounted and pad-mounted transformers and their respective design, safety, and operational features in their different…


Briefs: Transformers, eVTOLs, Digital Twins, and Energy Storage

Briefs: Transformers, eVTOLs, Digital Twins, and Energy Storage

Hitachi Energy, Joby Aviation, Toyota, Corinex, Plexigrid, and Moment Energy are expanding manufacturing facilities and product offerings.


News Jul 09, 2026 by Karen Hanson
FERC: Modernize Grid Interconnection Rules for AI Data Centers

FERC: Modernize Grid Interconnection Rules for AI Data Centers

Regional grid operators must defend existing interconnection policies or propose new ones as demand from large electricity users accelerates.


News Jul 08, 2026 by Shannon Cuthrell
SunZia: Largest Wind Farm in U.S. Comes Online in New Mexico

SunZia: Largest Wind Farm in U.S. Comes Online in New Mexico

With a whopping 3,650 MW of wind generation capacity, the SunZia wind farm in New Mexico becomes the largest renewable energy project in U.S. history


News Jul 01, 2026 by Claire Turvill
Closing the Gap: ICF Report Urges Strategic Grid Action Now

Closing the Gap: ICF Report Urges Strategic Grid Action Now

An ICF report advises utilities to prioritize location-specific planning and grid-enhancing technologies while grid expansions catch up to demand.


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…


More Power, More Tokens: How SSTs Are Reshaping Data Center Infrastructure

More Power, More Tokens: How SSTs Are Reshaping Data Center Infrastructure

The transition from AC distribution to the 800 V DC architecture is reshaping the data center power infrastructure, boosting token generation and…


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…


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,…


Primary Distribution Systems—Part 5: Planning for Today’s Grid

Primary Distribution Systems—Part 5: Planning for Today’s Grid

This article connects primary distribution to feeder upgrades (FLISR, right-sizing, DER/DCFC siting) for safety, quality, and restoration.


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…


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.