If you notice a tree that's interfering with the lines, please call our emergency line at 1-800-434-1235. Contact us if the tree poses a potential threat to human safety or meets any of these hazardous conditions:
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If the tree or branches are smoking, sparking or burning on a hydro line
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The tree is an immediate hazard to the line (split, leaning, hanging over, uprooted)
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The tree is leaning on a hydro pole.
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Do not attempt to prune or chop down a tree near lines yourself; a tree falling onto a power line could cause serious injury or death.
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Hydro One power lines:

- usually run along the road
- are not on private property
- services multiple customers.
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Privately-owned power lines:

- are on a pole within your property's boundary
- the pole supports the overhead power lines to your home or other buildings on your property
- does not supply power to other customers.
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Privately-owned lines
Hydro One is not responsible for the maintenance of trees or vegetation on privately-owned lines; that is the responsibility of the owner. We recommend that you hire a qualified contractor to do the work and contact us to temporarily disconnect your electrical service during maintenance.
Login to My Account Self Service to request tree trimming service online.