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Champlain Hudson Power Express (CHPE)

HVDC Light® transmission system will transfer renewable energy to up to 1 million New York homes and help achieve the state’s climate goals.


Hitachi Energy was selected by Transmission Developers Inc., a Blackstone portfolio company specializing in renewable power development, to supply a high-voltage direct current (HVDC) converter station that is a key part of the transmission solution for the Champlain Hudson Power Express (CHPE) HVDC interconnection between Québec, Canada and the New York City metro area, the United States.

The link will enable the delivery of clean, renewable hydropower between Canada and New York, contributing to New York’s Climate Leadership and Community Protection Act (CLCPA), which aims for the state to be powered by 70% renewable energy by 2030. CHPE is expected to decrease CO2 emissions by an average of 3.9 million metric tons per year, equivalent to removing 44% of passenger vehicles from New York City.

Using Hitachi Energy’s HVDC Light® technology, CHPE will transfer up to 1,250 megawatts of electricity, enough to power 1 million New York households. The link will efficiently transmit electricity for more than 600 kilometers (372 miles) underground from Hertel, Canada, through Lake Champlain and the Hudson River, to an HVDC converter station in Astoria, Queens.

Power requirements in cities are increasing, especially in densely populated areas where land is already scarce, and difficulties can arise when new right-of-ways must be secured for traditional transmission lines. HVDC technology enables large amounts of high-quality electricity to be delivered where it is most needed with complete control and with a very compact footprint using out-of-sight underground or underwater cables.

The complete CHPE system, of which the HVDC converter stations are the enabling technology, is expected to create more than 1,400 jobs during construction and, during the first 30 years of operation, deliver almost $50 billion in economic benefits to New York state.

For the New York site, Hitachi Energy will supply the HVDC Light converter station, which will convert the DC power from Canada to AC power and make it available for the AC grid in New York.

Kiewit, one of North America’s largest and most respected engineering and construction companies, will be responsible for the civil works for the converter station in New York. The collaboration with Kiewit will combine the core competencies of the two companies to deliver a best-in-class solution.
 

Main data

Commissioning Year

2026

Configuration

HVDC Light® converter stations

Power Transmitted

1,250 megawatts

Direct Voltage

± 400 kilovolts

Application

Interconnecting grids