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EPA Funding Freeze Disrupts Green Bank Initiatives

A recent decision by the Environmental Protection Agency (EPA) to freeze access to $20 billion in Greenhouse Gas Reduction Fund (GGRF) grants has created a major disruption in the renewable energy sector, particularly for green bank nonprofits tasked with financing sustainable energy projects. The freeze, which has been in place since February 18, 2025, is causing significant financial strain for nonprofit organizations that depend on these funds to support projects aimed at reducing carbon emissions,...

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Utility News

Line Leakage Testing: Is It Right For Your Application

The Line Leakage test (LLT for short) is most often specified to be performed as a type test in a design or engineering laboratory or as a routine production line test on medical devices right before they ship. Not as commonly performed as a Dielectric Withstand or Ground Bond test in a production...

T&D Trends

Renewable Energy News

PG&E Secures $15B Loan for Energy Upgrades

Pacific Gas and Electric Company (PG&E), a major utility serving Northern and Central California, has secured a conditional $15 billion loan guarantee from the U.S. Department of Energy's (DOE) Loan Programs Office. This funding aims to enhance PG&E's hydropower generation, battery storage...
Climate Change News

Alberta Premier Under Fire as Wildfires Rage

As Alberta grapples with unprecedented wildfires, Premier Danielle Smith faces intense scrutiny over her handling of the crisis. The blazes, which have been raging across the province, have led to extensive evacuations, property damage, and a significant strain on emergency services. The...

Electrical Substations

High Voltage Direct Current (HVDC) Substations: Revolutionizing Long-Distance Power Transmission

High Voltage Direct Current (HVDC) technology is revolutionizing long-distance power transmission, offering improved efficiency and reliability over traditional alternating current (AC) systems. This article explores the latest developments and applications of HVDC substations, providing a technical explanation of HVDC technology, recent innovations in HVDC converter stations, integration with renewable energy sources, and examples of major T&D utility HVDC projects contributing to grid modernization.

Technical Explanation of HVDC Technology and Its Advantages over Traditional AC Systems
HVDC technology involves the transmission of electricity using direct current (DC) instead of alternating current (AC). In an HVDC system, electrical power is converted from AC to DC at a converter station, transmitted over long distances through DC transmission lines, and then converted back to AC at another converter station for distribution.
The primary advantage of HVDC over traditional AC systems is its efficiency in long-distance transmission. AC power loses energy due to resistance and...

Electrical Substations Articles

Substation Automation

The Digital Substation Utopia

Electric utilities have long considered digital substations an insubstantial concept: an ideal vision of all-knowing substations networked into an intelligent grid. However, technological innovations have slowly emerged in the past few decades, consequently, transforming this utopian vision into a...
Physical Security & Monitoring

The Copper Theft Pandemic

Around the time of the financial crisis of 2008, precious metals pricing began to change drastically. Beginning in late 2007, a trend of price instability began to be seen for gold, silver, platinum, and (although not a precious metal in the traditional sense), copper. The price of all these metals...
Breakers & Relays

Extend the Life of Your Circuit Breakers

What to ask to ensure proper circuit breaker testing and maintenance BY ROBERT FOSTER, Megger Protecting a utility’s assets is essential. There are many different apparatus in electrical substations that need to be protected. The circuit breaker (CB) is designed to stop the flow of...