Power Grid Check: Helicopters Patrol Transmission Lines This Week
AltaLink conducts annual aerial inspections across northern Alberta communities May 25-29, weather permitting.
If you spot low-flying helicopters overhead this week in the St. Albert area and surrounding communities, don't be alarmed—they're part of routine infrastructure maintenance.
AltaLink, Alberta's largest electricity transmission provider, is conducting its annual aerial inspections of transmission lines across the province from May 25 to May 29, weather permitting. The helicopters will survey power infrastructure and vegetation encroachment across multiple communities including Strathcona County, Athabasca County, Camrose, Fort Saskatchewan, Lac La Biche, and Wetaskiwin.
These low-flying patrols are a critical part of keeping Alberta's power grid reliable. By conducting visual inspections from the air, crews can spot potential problems—vegetation growing too close to lines, equipment wear, structural issues—before they cause outages. It's preventive maintenance on a massive scale.
AltaLink operates more than 13,400 kilometres of transmission lines and over 300 substations across the province, making it the backbone of Alberta's electrical infrastructure. The company says it will work to minimize disruption to residents, livestock, and wildlife during the patrol period, though noise from low-flying helicopters is unavoidable.
If you have questions or concerns about the flights, AltaLink encourages residents to contact the company directly. The short window of helicopter activity is a worthwhile trade-off for the grid stability that keeps the lights on across northern Alberta.