Pattern Energy Completes Trans Bay Cable HVDC Project Under San Francisco Bay

Pattern Energy Group has completed the Trans Bay Cable project in San Francisco, which is owned and operated by SteelRiver Transmission Co., an affiliate of SteelRiver Infrastructure Partners.

Pattern Energy's transmission team conceived, developed and managed for SteelRiver the construction of the Trans Bay Cable, an innovative 53-mile, 400 MW high-voltage direct current (HVDC) submarine transmission line that can transmit up to 40% of the peak power needs for the city of San Francisco.

According to Pattern Energy, the project will enable renewable energy sources from north of San Francisco to supply power to the load.

‘The need for expanded transmission is a growing issue around the country,’ says Mike Garland, chief executive officer at Pattern Energy. ‘The Trans Bay Cable provides a new source of power for the city of San Francisco, helping to lower long-term energy costs, relieve congestion and provide transmission reliability for the entire Bay Area, while shutting down the last remaining old power plant in San Francisco.’

According to Pattern Energy, the project dates back to 2005, when the board of governors of the California Independent System Operator chose the Trans Bay Cable project as the most feasible energy transmission project to address the load capacity issues of San Francisco and northern San Mateo County.

SOURCE: Pattern Energy

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