Electrical Power & Protection


Siemens Energy turbines generate low-emission power

November 2020 Electrical Power & Protection

CCS JV (a joint venture between Saipem and McDermott) recently selected Siemens Energy to supply emissions-reducing power generation equipment and boil-off gas compressors for the Mozambique LNG Project in the Cabo Delgado province on Africa’s east coast. The project, led by Total E&P; Mozambique Area 1, includes the development of offshore gas fields in Mozambique’s Area 1 and a liquefaction plant with a capacity in excess of 12 million tons per year.

As part of the contract, Siemens Energy will supply six SGT-800 industrial gas turbines that will be used for low-emissions on-site power generation.

With more than eight million total fleet operating hours and more than 400 units sold, the SGT-800 turbine is ideally suited for power generation, particularly in LNG applications, where reliability and efficiency are critical. The 54 MW turbine rating selected for this project has a gross efficiency of 39 percent. It is equipped with a robust, dry low-emission (DLE) combustion system that enables world-class emission performance over a wide load range.

“Mozambique LNG is the country’s first onshore LNG development project and will play a key role in meeting the increasing demand for energy in the Asia-Pacific, Middle East, and Indian sub-continent markets,” said Thorbjoern Fors, executive vice president for Siemens Energy Industrial Applications. “We look forward to helping Total drive toward the lowest possible plant emissions profile and contributing to its goal of delivering clean, reliable energy to customers across the globe.”

Siemens Energy will also supply four centrifugal compressors for boil-off gas service. A key feature of these compressors is the inlet guide vane (IGV) system that allows for optimisation of power consumption according to changes in operational parameters such as inlet temperature and outlet pressure. The gas turbines are slated for delivery in the second half of 2021 and the first half of 2022. The delivery of the compressors is scheduled for 2021.

The equipment order for the Mozambique LNG project comes on the heels of a recent agreement between Total and Siemens Energy to advance new concepts for low-emissions LNG production. As part of the contract, Siemens Energy is conducting studies to explore a variety of possible liquefaction and power generation plant designs, with the goal of decarbonising LNG facility development and operation.




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