May 11, 2022 | Marine environment & clean shipping news

Klaveness Combination Carriers (KCC) has concluded key strategic agreements for an energy efficiency retrofit on two of its modern vessels, including the installation of an air lubrication system and shaft generator.

The contracts include options for introducing the same installations to a further nine vessels. Together with KCC’s previously announced energy efficiency initiatives, the concluded measures aim to reduce fuel consumption and carbon emissions by almost 20% when compared to performance as newbuilds. Enova, the Norwegian government enterprise promoting the transition to a low emission society, has granted up to about US$ 1.0m in support of the installation on one of the vessels.

The initiative includes a contract with Silverstream Technologies for installation of an innovative new version of Silverstream’s proven air lubrication system, the Silverstream System. The system releases a carpet of microbubbles that travels the full length of the flat bottom of a vessel, reducing friction between the hull and water.

Additionally, a contract has been entered into with WE Tech Solutions for the installation of WE Tech’s shaft generator. The shaft generator will produce electric power from the rotation of the propeller shaft, supplying power to Silverstream’s air lubrication system and other ship systems. The combination of the Silverstream System and WE Tech’s shaft generator significantly improves the overall energy efficiency of the initiative. 

The installations will be made on one CABU II class vessel and one CLEANBU class vessel during their next scheduled dockings during Q2 and Q3 2023, where the vessels are also scheduled to be equipped with Becker Marine System’s Mewis duct, silicone antifouling and welding seam fairing. As part of the contracts with Silverstream and WE Tech Solutions, KCC has options to bring the same installation to an additional two CABU II and seven CLEANBU vessels.

Engebret Dahm, CEO KCC, said: “The contracts concluded with Silverstream Technologies and WE Tech Solutions are important milestones in KCC’s energy efficiency program, this will deliver sizable cuts in carbon emissions from KCC’s fleet over the next years and further strengthen our lead as the lowest carbon shipping provider in the dry bulk and tanker markets.”

Noah Silberschmidt, Founder and CEO, Silverstream Technologies, said: “We are delighted to sign this deal with KCC and begin work to retrofit our technology across its fleet. KCC has a strong and well-deserved reputation for being a sustainability leader and a genuinely green-minded innovator, and we are confident that our system will help to boost these credentials even further. The deal also proves Silverstream’s ability to take on complex retrofit projects and again underlines the attractiveness of our unique technology to a wide range of shipping segments and vessel operations. It also strengthens our ability to be able to serve unique vessel types and positions us perfectly to scale up adoption of our solution in both dry bulk and tanker shipping.”

The total project costs for the two vessels, including design and shipyard installation, are estimated to be approximately US$ 7.0m.

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