Overhead T&D

Vegetation Management

Implementing Advanced Vegetation Management Strategies

Improve grid reliability today. BY SARA SANKOWICH, Unitil In 2011, the New England region faced two significant weather events: Hurricane Irene and an unseasonably early October snowstorm—on top of other frequent major storm events in the preceding four years. Utilities could not avoid the...

Underground Distribution

Solving Underground Cable Problems with Partial Discharge Testing

How to prevent failure with partial discharge testing BY HENNING OETJEN, Megger Partial discharge (PD) measurements are increasingly used as a reliable and non-destructive diagnostic method to detect weak spots in the insulation of underground cables. Routinely, partial discharge measurements are...

Wire and Cable

Reducing Partial Vacuum Induced Flashovers in 25 kV Class Loadbreak Separable Connectors

The 25 kV Class 200 Ampere loadbreak separable insulated connector system didn't always have today's reputation for safety and reliability. As 25 kV Class loadbreak connectors increased in popularity in the 1980's and 1990's, utilities reported unacceptably high numbers of flashovers...

Disaster & Recovery

Climate Crisis Threatens Canada’s Ice Roads for Indigenous Communities

The warming climate is rapidly transforming the landscape of northern Canada, particularly for Indigenous communities who rely on ice roads for critical supplies. These roads, made from snow and ice, are the only accessible routes during winter months, connecting remote First Nations to the outside...

Case Study

United Power Installs Hendrix Aerial Spacer Cable Solution to Address Fire Mitigation Needs

Based in Brighton, CO, United Power Inc. is the 2nd largest electric cooperative in Colorado. With over 5,000 miles of power lines and nearly 83,000 meters, they serve over 200,000 customers along the north central range of the Colorado Rockies. A section of the United Power service area also heads...

Overhead Distribution

Building a better world of smart structures on the smart grid

It is a truth universally acknowledged that billions of people around the world live in poverty. But does it have to be that way? Today’s technological progress means that tomorrow we will be able to produce more, more efficiently – lifting people above the breadline with accelerated...

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Fighting Wildfires to Increase Pole Protection

Evaluating pole selection for increased protection

BY BUTCH BERNHARDT, North American Wood Pole Council

The number of wildland fires reached record levels in many states in 2014, prompting questions about what poles perform more efficiently in fires: steel or wood. Research from a bulletin entitled, “The Performance of Distribution Utility Poles in Wildland Fire Hazard Areas”, published by the North American Wood Pole Council and authored by independent engineer Stephen T. Smith, P.E., contains some...

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