Wind power – Siemens Energy to supply key electrical equipment for the largest US offshore wind project

The 2.6 gigawatt wind farm, which will feature up to 180 turbines just over 800 feet tall, is the largest offshore wind project under development in the United States. Siemens Energy will supply the high voltage electrical equipment for the three offshore platforms, which will collect the low voltage energy generated by the wind turbines and transmit it at a higher voltage to the quay. When fully commissioned in 2026, the project will prevent up to 5 million tonnes of CO2 emissions per year and power up to 660,000 homes in Virginia.

The project is being developed by US utility company Dominion Energy and is located 27 miles offshore from Virginia Beach. Siemens Energy will supply for each of the three 800-megawatt offshore platforms: three power transformers, three shunt reactors, one medium-voltage gas-insulated (GIS) switchgear and three high-voltage GIS systems to Semco Maritime, which is notably responsible the design, procurement and installation of electrical equipment. The system solution is specially designed to dramatically reduce both the size and weight of the platform, thereby reducing the need to use steel in construction and thus making the platform more resource efficient. and costs.

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