Sixteen dual-fuel-electric LNG carriers, featuring sixty-four dual-fuel engines, have been ordered so far by six different ship owners at four different shipyards. More orders for dual-fuel-electric LNG carriers are expected anytime soon, and dual-fuel-electric machinery starts to become an established standard in LNG carrier propulsion and electric power generation. This paper aims to describe the market requirements that apply for LNG carrier machinery concepts, the dual-fuel engine technology, the dual-fuel-electric machinery concept for LNG carriers, as well as the application of and experience with dual-fuel engines to date.

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