So this 14-meter boat reduces emissions at anchor by up to 88 percent

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Greenline 45 Coupe
Greenline’s Responsible Power Pack was tested aboard the 45 Coupe returning surprising results

Most of the energy consumed aboard a boat can be traced back to times when not sailing. In fact, boats-according to numbers compiled by several shipyards-spend far more time at anchor than they spend sailing. During the hours at anchor, however, all on-board systems (air conditioning, refrigerators and all utilities in general) continue to run and consume energy. How to do to reduce most of the emissions due to this consumption? Greenline has taken care of that with the Responsible Power Pack presented at Boot Dรผsseldorf.

How the Responsible Power Pack works

The system the Slovenian shipyard has created is basically a “mega” battery pack that actually replaces (or complements) the use of the generator. Using advanced lithium-ion batteries and high-efficiency alternators, the Responsible Power Pack allows diesel-powered yachts to limit emissions (by not turning on the generator) by up to 88 percent when at anchor, according to tests on the Greenline 45 Coupe. The solution ensures–they say from Greenline–up to 48 hours of power to all energy-intensive services aboard the boat, providing silence (especially at night) and reduced emissions (which is never a bad thing).

Consumption data with Responsible Power Pack on Greenline 45 Coupe
The infographic shows the difference between the fuel consumption at anchor of a Greenline 45 Coupe equipped with the genrer that consumes 4 liters per hour (black line) and one equipped with the Responsible Power Pack (blue line)

Commitment to the environment at 360ยฐ.

Respect for the environment is indeed the common thread running through the booth set up by Greenline this year at the German fair. In fact, in addition to the Responsible Power Pack, the shipyard also presented its Responsible Yachting program. The shipyard says its commitment to trying to reduce its impact involves sustainable, state-of-the-art construction practices, which include the use of certified low-emission resins, foam cores made–in part–from recycled PET plastic, and advanced vacuum infusion manufacturing techniques, while also experimenting with natural fibers and laminating resins.

The same approach that guides the proposal of alternative propulsions (hybrid or electric) and the presence of solar panels on board applies to Greenline’s entire design and production philosophy, starting with the hulls, which have been developed and tested for maximum smoothness and efficiency at low and high speeds, thus optimizing expected fuel consumption. From the point of view of production waste recovery, the shipyard also maintains its commitment, turning, for example, wood cuttings into pellets for heating and other leftovers to produce home insulation. In the future, the shipyard will also offer an annual award aimed at its shipowners to highlight those who have distinguished themselves as “the greenest shipowner,” for example, because they have generated the most solar power or accumulated the most electric motor hours over the year.

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