Powerlines are extremely dangerous and can be deadly. Unfortunately, contact with overhead powerlines is increasing in Ontario. According to the Electrical Safety Authority’s latest safety report, the five-year rolling average of overhead powerline incidents increased by 30%, comparing 2015–2019 to 2020–2024. In 2024 alone, Ontario recorded 307 overhead powerline contacts – the highest annual total in the past decade.
The Electrical Safety Authority (ESA) works to protect Ontarians safe from electrical harm through awareness, education and training. ESA data shows that contact with powerlines is a leading cause of electrical-related fatalities in Ontario. As warmer weather brings more people outdoors, ESA reminds Ontarians of essential powerline safety tips.
Locate all powerlines
Before starting any yard work or outdoor project, locate all nearby powerlines. Some powerlines may be hidden by trees or branches.
For underground powerlines, contact Ontario One Call. This service identifies all utility-owned underground infrastructure in your yard. You may also need a “private locate” for underground infrastructure that is not owned by utilities.
Always stay three metres away from overhead powerlines
Always keep yourself, your tools and equipment at least three metres away from overhead powerlines. Three metres is about the length of a ten-step ladder.
You don’t need to touch a powerline to receive a shock. Electricity can jump, or “arc” to a person, tool or vehicle if it comes too close. When carrying long items, like ladders, always carry them horizontally. This will help to avoid the risk of coming within three metres of an overhead powerline.
Avoid distractions
Always avoid distractions while working near powerlines. Put away cellphones and remove anything that may take your attention away from the task. Staying focused helps prevent people or tools from coming too close to powerlines.
Think before you plant
When planting new trees, choose locations where they will not grow into nearby powerlines. If existing trees are already close to powerlines, contact your utility company or a certified utility arborist. Never attempt to prune trees near powerlines yourself.
Stay 10 metres back from downed powerlines
Severe weather like storms and strong winds can cause powerlines to fall on your property or neighbourhood. If you see a downed powerline, always assume it is live and stay 10 metres back – about the length of a school bus.
In some cases, downed powerlines may be hidden by fallen trees or branches. Always be cautious. If you see or suspect a downed powerline, stay back and call 9-1-1 and notify your local utility company immediately.
Powerline incidents happened both at home and at work
More than one-third of powerline contacts reported in 2024 occurred at work. People working in higher-risk industries, such as construction or haulage, should review powerline safety procedures before starting the job. Workers, vehicles and equipment must always stay at least three metres away from overhead powerlines.
For more powerline safety information, visit ESAsafe.com/StopLookLive.
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