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Behind the scenes of power restoration

March 3 2021, 09:09 AM

Behind the scenes of power restoration

Have you ever wondered what happens after you call NB Power to report an outage? If it happens during a storm, rest assured that lots of work has already taken place to ensure the duration of the outage is as short as possible for our customers. In this post, and through a series of articles to be featured throughout this month, we will take you behind the scenes of our power restoration efforts.

 

Before the storm

With 20,815 km of line – which is enough to stretch across Canada four times - getting the power back on after a major storm is a big job. That’s why we are constantly monitoring the weather to anticipate storms and we take action before outages happen.

You may be asking yourself; how can you prepare without knowing what will happen? Our team works year-round to minimize the impacts of outages – from equipment maintenance, vegetation management, weather monitoring and software improvements - a whole lot of effort goes into maintaining and restoring power.

We also leverage new technologies to better prepare for storms. Our Transmission and Distribution Field Operations Emergency Planning team constantly monitors the weather, and with the use of various tools, they can assess the estimated number of outages and determine where they will most likely hit.

As soon as we see the potential for outages, we determine if we need to pre-emptively dispatch crews. This is called “staging”. When crews are staged, they are placed in specific areas, and are ready to get to work as soon as it is required.  If we know a big weather event is coming our way, on top of staging our NB Power crews, we secure additional contractor crews in areas throughout the province predicted to experience the worst effects of a storm.

 

During the restoration effort

The safety of our customers and employees is our top priority. That’s why, when a storm is still raging and visibility and road conditions are bad, our crews are sometimes not able to get to access the damage immediately. But as soon as it is determined safe, we activate our power restoration plans.

Our goal is always to restore power as quickly and safely as possible. To achieve this, we need to set priorities. During an outage, you may notice that some areas have their power restored before others. This can happen because many different faults can cause an outage. Whenever this happens, NB Power must prioritize which faults will be addressed first.

We direct our resources to address the following issues in order of importance: first, we check the system and repair damage to power plants, transmission lines and substations. Then, we restore power to critical services such as hospitals, police, fire, water and communication systems. At the same time, we determine where we can make repairs that will return service to the largest number of customers in the least amount of time, such as high-density housing and large neighbourhoods. Finally, we restore power to smaller neighbourhoods and individual customers.

During storms, you may be concerned if you don’t see NB Power crews close to your home. That doesn’t mean we are not working on restoring your power. The damage to our distribution system can be far from your neighbourhood, but still impacts it.

Sometimes the cause of an outage may be difficult to locate or access, which can impact the time it takes our teams to restore your power. As soon as our team assesses the cause of an outage and initiates the plan to fix it, our website displays an estimated time when power will be restored. We update those pages with information from the field as soon as it becomes available. In some cases, this means these estimates can change. But our team will continue to work as safely and efficiently as possible until everyone is restored.

 

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