Telus has announced the deployment of its nearly 125km submarine fibre optic cable connecting Sept-Îles to Sainte-Anne-des-Monts in Quebec. Telus began working on this cable back in November. The cable offers a massive bandwidth capacity, ultra-low latency and multi-decade durability.
The new fibre optic cable will provide better telecommunications in communities east of Baie-Comeau. Telus says that this is an essential backup route for continued telecommunication services in case there are any terrestrial network failures. The 125km cable only has a diameter of 3cm and is buried one and a half metres below the ocean floor. Cables like this have previously lasted for several decades.
Telus says that it used a detection system with thermal imaging and AI to protect marine mammals during the installation period. Additionally, environmental restoration work is planned for the spring and summer of 2026 to ensure the protection of the St. Lawrence River shoreline and to support the regrowth of plants and sea lyme-grass.
This was a joint investment of more than $20 million with the Government of Canada (up to $7.5 million).
The submarine fibre optic cable is part of Telus’ commitment to connect regions and is supported by $70 billion in planned investments through 2029.
Image credit: Telus
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