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Global Warming's Heat Threatens Youth

Global warming is not only a distant concern for the future but a pressing reality today, especially for the younger generations. As climate change intensifies, the planet’s rising temperatures are posing increasingly deadly risks, particularly to the world’s youth. Young people, from infants to teenagers, are disproportionately affected by heat-related illnesses and deaths, as well as the long-term consequences of a warming world. In this article, we will explore how global warming is impacting the...

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ISO New England Issues RFP to Integrate Maine Wind Power

ISO New England, the regional grid operator, has launched a Request for Proposals (RFP) aimed at enhancing the region’s transmission infrastructure to support the anticipated influx of wind energy from northern Maine. The new initiative, announced on March 31, 2025, seeks to address long-term...


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Renewable Energy News

New Hampshire's New Solar Incentives

New Hampshire enacted a new law that brings substantial changes to its solar energy landscape. The legislation introduces enhanced solar incentives for cities while discontinuing an underperforming consumer rebate program. This strategic shift aims to bolster the state's commitment to renewable...

Electrical Substations

Safe Grounding in Substations

How to guard utility personnel from shock hazards

BY JEFF JOWETT, Megger

In the power industry, safety is just as important a function as performance. Safety considerations, parameters, and methods of implementation are an integral part of any electrical system. A most important element is the grounding system. This system performs several functions, not the least of which is safety. Substations are active in fault clearance, and personnel working in and around them, as well as pedestrians passing in the vicinity, need to be protected. When a fault condition occurs, the grounding electrode (grid) must be sufficient to equalize potentials both in and around the substation.

SIZING CONDUCTORS A critical part of safety grounding is the sizing of conductors in order to accommodate maximum possible fault currents without fusing (burning open). Grounding conductors are sized according to the equation A = KI√S, where A is the cable size,...

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