The figure shows total propulsion power along with the available power for an icebreaker during a typical icebreaking mission. Illustration: SSPA.

Increased interest in battery hybrid installations

The maritime industry is currently experiencing a significant increase of interest in battery hybrid installations for new buildings and retrofits. The driving forces include the current development in battery technology, potential for lowering operational costs, increased capacity of drivetrain and reduction of greenhouse gas emissions.

Battery and hybrid propulsion have been suitable for some routes for a long time. Yet for a number of applications, other propulsion systems offer better possibilities for obtaining current design objectives, e.g. the correct capacity of drivetrain and reduction of greenhouse gas emissions. One of the crucial aspects is finding out when battery and hybrid propulsion is a feasible way of meeting the targets for a specific ship, including its operational profile. A number of recent projects show that SSPA has the tools and knowledge to answer these questions and to evaluate different alternatives for propulsion, from batteries and fuel tanks to propellers.