New energy-saving system for Subsea 7 vessel
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Subsea 7's heavy construction/flex-lay vessel Seven Arctic is to be equipped with a new energy-saving and storage system.
It will hybridise the ship which currently has a total installed power of 27 MW and DP3 classification and is suitable for worldwide operations in water depths up to 3000 metres.
At the heart of the new storage system is a containerised battery room with a maximum power of 3750 kW and 1250 kWh of energy. The system also includes a connection for shore power.
A reduction of 5000 tons of CO2 emissions is expected.
The contract for supplying and fitting the system has been awarded to Bakker Sliedrecht.
Stuart Smith, vice-president for asset development at Subsea 7, said: “We are very pleased to continue our relationship with Bakker on this contract which will hybridise Seven Arctic. This represents an important milestone in our sustainability programme to reduce our CO2 emissions.”
Bas Oskam, director of sales at Bakker Sliedrecht, said: “The energy storage system can work with any battery or storage type. The control system is designed with maximum autonomy in mind, allowing for integration with different existing power and vessel management systems on board.
"This makes the system very suitable to apply in existing vessels.”
Subsea 7 has a pipeline bundle fabrication site at Wester, north of Wick.
