Here’s how Canadian hydroelectricity will power 1 million New York homes from 2026

The Champlain Hudson Power Express (CHPE), a high voltage direct current (HVDC) line, will supply 1,250 megawatts of clean electricity from Canada Hydro Quebecthe fourth largest hydroelectric producer in the world, in New York.

HVDC power transmission transmits power over long distances more efficiently than alternating current (AC) transmission.

The CHPE, which is authorized and should be fully operational in the spring of 2026, will be completely buried. It will transmit electricity over 372 miles (600 km).

It will work from Hertel substation in La Prairie, Canada, at an interconnection point in the Richelieu River. It will then cross Lake Champlain and the Hudson River to an HVDC converter station in Astoria, Queens, where it will be connected to the Con Edison network.

The project will use waterways, existing roads and railway rights-of-way. The cables will be permanently monitored. Unless damage is detected, they will be virtually maintenance free.

Map: Renewable Jobs for NY

Yesterday, the CHPE announcement that it has finalized contracts with three companies for the conduct of major construction operations:

  • cable supplier NKT will complete the design, fabrication and underwater installation of the project’s two 400 kV 5-inch diameter high voltage direct current (HVDC) cables.
  • Hitachi Energy will design, deliver and test technology for the converter station at the Astoria Generation Complex in Queens. It will also power the HVDC Light Converter Station which will convert DC power from Canada to AC power and make it available for the New York AC grid.
  • construction company Kiewit will lead onshore construction activity for the entire HVDC route, including the converter station at Astoria.

The CHPE is expected to reduce emissions by an average of 3.9 million metric tons per year. This is equivalent to removing 44% of New York’s passenger vehicles.

New York State’s new Climate Leadership and Community Protection Act (CLCPA) requires the state to be 70% powered by renewable energy by 2030.

Read more: New York City announces sweeping clean energy plan

Photo: Hydro-Quebec


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