
2025 performance
- We reached a negotiated settlement with our largest customer groups on the majority of our 2026-2027 GTA.
- We participated in our sixth GridEx emergency simulation to practice responding to coordinated cyber and physical security threats.
- We were recertified and received new certification in 2025 by the International Organization for Standardization
For more information on how AltaLink is working to keep us secure and protected, read the 2025 Sustainability Report.
Sustainability in Action: ISO 27001 and 27019 Certifications
In 2025, we certified to the new ISO 27001:2022 standard to protect the confidentiality, integrity and availability of information, and expanded the scope of the ISO 27019 standard to include Operational Technology Wide Area Network (OTWAN). ISO 27019 is an extension of the first standard and includes essential guidelines to protect industrial control systems in the energy utility industry.

For a seventh year in a row, AltaLink maintained rates below 2018 levels, the only regulated utility in Alberta to do so.
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