AltaLink
A Canadian electricity transmission company that operates Alberta’s high-voltage transmission network.
Last updated November 4, 2026
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Overview
AltaLink is an electricity transmission company headquartered in Calgary, Alberta, Canada. Its core business is owning, operating and maintaining high-voltage transmission infrastructure across Alberta. It is not a retail electricity brand serving household customers; instead, it operates in the transmission segment of the power system, moving electricity from generating facilities to distribution networks and major load centres. AltaLink’s network connects generation resources, cities and industrial areas across the province and forms an important part of Alberta’s electricity infrastructure. Its operations and investment plans are subject to Alberta’s regulatory framework and must align with provincial transmission planning and reliability requirements. Founded in 2002, AltaLink later became part of Berkshire Hathaway Energy. In addition to operating transmission lines and substations, the company works on network expansion, asset maintenance, reliability improvements and infrastructure required to connect new generation resources, including renewable projects. Its positioning is therefore centred on reliability, safety and long-term regulated infrastructure services rather than consumer-facing electricity marketing.
History
AltaLink was established in Alberta in 2002 amid changes in the province’s electricity industry and the organization of transmission-asset operations. It developed into one of Alberta’s principal electricity transmission infrastructure operators. The company’s role is not primarily to generate electricity or sell power directly to households, but to manage high-voltage assets connecting generation facilities, substations, distribution systems and large industrial customers. As Alberta’s population, industrial demand and generation mix have evolved, AltaLink has undertaken maintenance, upgrades and expansion of transmission lines, substations and related grid facilities. Its projects are generally integrated into provincial transmission planning and subject to regulatory review concerning need, cost and system reliability. In 2014, Berkshire Hathaway Energy announced the acquisition of AltaLink, making the company an important part of the group’s Canadian electricity infrastructure portfolio. AltaLink has continued to operate under its own brand, with an emphasis on safe and reliable transmission, asset stewardship, network expansion and the connection of new generation resources. Because transmission is capital-intensive, long-cycle and highly regulated, the company’s development is best understood through the continued build-out and operation of grid assets rather than through consumer-style product launches.
Products and positioning
Regulated electricity transmission infrastructure operator
Alberta transmission network
AltaLink operates high-voltage transmission lines, substations and related facilities across Alberta, providing the transmission capacity connecting generation resources, distribution systems and major load centres.
Transmission planning and expansion
This activity covers transmission expansion, line and substation development, and infrastructure needed to connect new generation projects, generally carried out within provincial planning and regulatory requirements.
Recent events
Sources4 sources
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