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Primary Distribution Systems—Part 1: Design of Feeders and Laterals

Primary Distribution Systems—Part 1: Design of Feeders and Laterals

This article discusses primary distribution system transport of medium-voltage power from substations via feeders to local transformers to ensure…


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
Harvesting the Florida Sun: Disney World Runs on 100% Solar

Harvesting the Florida Sun: Disney World Runs on 100% Solar

The resort’s latest solar facility brings the total solar capacity to 212,000 kW annually.


News May 06, 2026 by Claire Turvill
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…


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
Enphase Ramps up Deployment of Its 1st GaN-Power Microinverter

Enphase Ramps up Deployment of Its 1st GaN-Power Microinverter

Enphase Energy expands its commercial solar footprint by shipping high-efficiency microinverters for complex three-phase grids.


News Apr 24, 2026 by Jake Hertz
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…


Distribution System Fundamentals—Part 1: Networks

Distribution System Fundamentals—Part 1: Networks

This overview develops distribution’s role within the power system hierarchy, its functional objectives and constraints, and the common voltage…


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
Meet the Robot That Builds Solar Farms Around the Clock

Meet the Robot That Builds Solar Farms Around the Clock

In the race to meet America’s surging energy demand, autonomous robots and AI are emerging as powerful tools for building solar farms faster than…


News Apr 15, 2026 by Claire Turvill
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…


AI Datacenter Grid-to-Core Power Architecture

AI Datacenter Grid-to-Core Power Architecture

Surging AI power needs dictate a new datacenter power architecture: shifting to 800 V DC distribution, using "SideCar" racks, and…


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
Rearchitecting Data Center Power for AI with Solid-State Transformers

Rearchitecting Data Center Power for AI with Solid-State Transformers

As AI workloads push data centers into megawatt-scale per rack density, conventional low-voltage power architectures are reaching architectural…


Choosing Between Gas-Insulated and Air-Insulated Substations

Choosing Between Gas-Insulated and Air-Insulated Substations

This article compares gas-insulated (GIS) and air-insulated substations (AIS), outlining their design principles, performance characteristics, and…


Small Moves, Big Goals: Advances in Nuclear Reactors and Fusion

Small Moves, Big Goals: Advances in Nuclear Reactors and Fusion

TerraPower receives historic Nuclear Regulatory Commission approval for construction, while micro modular reactors and fusion continue to develop.


News Mar 20, 2026 by Luke James