The CHPE spans more than 600 km and is capable of supplying Canadian hydropower to cover up to 20% of electricity demand in New York.

Jul 15, 2026

NKT celebrated the official inauguration of the Champlain Hudson Power Express (CHPE), the longest fully-buried transmission line in North America. Now in operation, the 400 kV HVDC transmission line powers New York city with renewable hydropower from Canada.

The CHPE spans more than 600 km and is capable of supplying enough Canadian hydropower to cover up to 20% of electricity demand – equivalent to power for approximately one million households.

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“The inauguration of the Champlain Hudson Power Express is a tremendous milestone for NKT and the transition to renewable energy in New York City. It reflects the value of strong collaboration and long-term partnerships, and it has been a privilege to work with TDI, Hydro-Québec and our partners to realise this important project contributing to the energy transition in the United States,” says Mr. Claes Westerlind, President and CEO of NKT.

The project has involved extensive manufacturing as well as large-scale on- and offshore installation works across multiple environments, including Lake Champlain and the Hudson and Harlem rivers.

NKT has previously completed the grid connection on the Canadian side of the border, enabling a fully integrated transmission link to New York City. The commissioning followed years of planning, development and installation, and was marked at the official inauguration event held in New York City on 16 June 2026.

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‘‘Thank you to Transmission Developers (TDI) – a Blackstone Portfolio Company, Hydro Québec, our partners and to all the NKT colleagues making this project a success,’’ posted NKT on its social media handle.