Saipem and Siemens Energy to Develop Floating Substation Concept

Saipem and Siemens Energy have signed a Memorandum of Understanding (MoU) for the joint development of a concept design for a 500 MW high-voltage alternating current (HVAC) floating electrical substation for use in offshore wind farms.

Floating offshore substations, installed in deep water, offer several advantages such as a lighter substructure, an easier and asset-light installation in challenging conditions, as well as lower decommissioning costs, the companies said.

”The new joint solution will significantly optimize critical technical parameters, such as weight, electrical efficiency, and asset longevity, thus lowering the production costs and enabling an unprecedented number of countries to benefit from large-scale offshore wind generation. This MoU is an integral part of Siemens Energy’s Net Zero strategy in scaling up its activities through technology partnerships for specific markets, which complements the well-established turnkey business we already execute today,” Agustin Tenorio, Vice President Transmission Systems at Siemens Energy, said.

Saipem and Siemens Energy’s floating offshore substation concept will be based on what is described as ”a proven semisubmersible substructure”, said to be designed to operate in the most extreme environments with enhanced stability, and scaled up as required by clients.

In addition, the design will address the industrialization phase as it can be adapted to fabrication and assembly infrastructures worldwide. The floating substation could represent a tangible solution for reducing the levelized cost of energy (LCOE) of floating wind farms, the companies said.

Fabrizio Botta, Chief Commercial Officer of Saipem, said: ”Our ambition is to take advantage of Saipem and Siemens Energy unique expertise, to jointly develop a cutting-edge floating design solution for offshore substations. The new concept will be an enabler to enhance offshore wind developments in deeper waters by lowering the overall infrastructure investment. This agreement further confirms Saipem ambition to strengthen its leadership role in the offshore wind market by delivering industrialised and standard solutions.”

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