The 2.6-gigawatt wind farm, that will include up to 180 turbines standing slightly more than 800 feet tall, is the largest offshore wind project under development in the US Siemens Energy will deliver the high-voltage electrical equipment for the three offshore platforms, that will collect the low voltage energy generated by the wind turbines and transmit it at a higher voltage to shore. Once fully commissioned in 2026, the project will prevent up to 5 million tons of CO2 emissions annually and supply up to 660,000 households in Virginia.
The project is being developed by US utility company Dominion Energy and located 27 miles off the shores of Virginia Beach. Siemens Energy will deliver for each of the three 800 megawatt offshore platforms: three power transformers, three shunt reactors, one medium-voltage gas insulated switchgear (GIS) and three high-voltage GIS systems to Semco Maritime, which among other things is responsible for design, procurement and installation of the electrical equipment. The system solution is specifically designed to significantly reduce both the size and weight of the platform, lowering the need for the use of steel in the construction and thus making the platform more resource- and cost-effective.
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