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Q&A: Transmission Line Inspection Using Robotics

A: Hydro-Québec’s power transmission system, the most extensive in North America, covers close to 34,000 km. Similar to many power utilities, we need thorough infrastructure inspections to ensure system reliability, availability, and performance.Therefore, we have, developed robotic...

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...

Disaster & Recovery

Evolution of Outage Management Systems

Examining the evolution of outage management systems BY GERALD GRAY & JOHN SIMMINS, Electric Power Research Institute (EPRI) Once again, a major storm event, in this case Hurricane Sandy, has brought increased attention to a utility’s capability to respond to and mitigate damage to its...

Conductors & Materials

Converting Power Lines to Smart Wires

Increasing the observability and control of the transmission network BY FRANK KREIKEBAUM, JERRY MELCHER, & JULIE COUILLARD, Smart Wire Grid, Inc. The North American power grid has evolved into a connected set of four major interconnections delivering low-cost and reliable energy. The U.S....

Outage Management & Restoration

Coping with Extreme Weather Events

How to optimize the entire outage lifecycle BY RICK NICHOLSON, Ventyx The extreme weather just keeps coming. In 2012, there were 11 outages due to severe weather costing at least $1 billion. The year of 2013 had its share as well. More and more, the scale and variety of such major events are...

Infrastructure & Technologies

DOE Prioritizes Baseload Generation

In a strategic move to tackle the growing electricity demand and bolster energy security, the U.S. Department of Energy (DOE), under Secretary Chris Wright, has announced plans to focus on expanding baseload and dispatchable power generation. This shift in priorities, outlined on January 5, 2025,...

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MV HV cable partial discharge measurement

Cable Testing Comes of Age - One Cycle at a Time

Field Testing of MV and HV cables has come a long way in recent decades. Gone are the days of old, when the traditional DC (Direct Voltage/Current) hipot was the recommended method for testing these modern cables that form the critical backbone of the distribution electrical power network. Extensive research, often rooted in the hard lessons learned through negative experiences in the field, has brought about changes to and improvements in the approaches...

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