For safe and reliable electrical service
Vegetation must not come
into contact with power lines.
Did You Know?
More than 40% of power failure time is caused by branches or trees falling onto overhead power lines.
“Clearance-Tree-Electricity”
Vegetation is too close to a medium-voltage line.
What to do
How to identify a medium-voltage line
You need to prune or cut down a tree or shrub.
How to prevent accidents
You want to plant a tree or shrub.
Make sure to maintain the required minimum clearance from medium-voltage lines
Use the online tool: “Clearance-Tree-Electricity”
Hazards and nuisances if the required minimum clearance is not maintained
How Hydro-Québec controls vegetation near
its distribution lines
Preventive maintenance and corrective action
The right tree in the right place - The underground distribution system
[PDF-2.47 Mb]
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How Hydro-Québec controls vegetation near its power transmission lines
Power Safety
Learning Section
Sustainable Development
Table québécoise sur l'herbe
à poux (TQHP)
(in French only)
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