Page 54 - Industrial Plants

produced with green energy from biomass or through green approach, allowing the ship to use methanol as its
industrial CO capture processes, it represents a total primary fuel.
2
green solution, while its use in dual-fuel engines The dual-fuel capability provides unprecedented
significantly reduces the ship’s carbon footprint. The operational flexibility, allowing the vessel to easily adapt
SG116, therefore, not only transports methanol but uses to changing fuel availability and evolving environmental
it as the cornerstone of its sustainability strategy. regulations.
The generators are complemented by a 1,200 kWh battery
pack that allows port operations in all-electric mode. “San Giorgio del Porto S.p.A. company
The batteries can be recharged via shore connection or is already giving his real contribution
during navigation, performing alternating charge and to this target
discharge cycles with “peak shaving” functionality,
optimizing the use of generators and further reducing The propulsion system of the SG116 represents a model
fuel consumption and emissions. for the future of sustainable shipping. With its combination
Thanks to the contribution deriving from the power of azimuth thrusters, dual-fuel generators, high-capacity
supply system through the combined use of “shore batteries and readiness for renewable energy integration,
connection” and battery pack for port manoeuvres, the the SG116 is not only a state-of-the-art vessel, but a
ship will be able to obtain 30% of its operational energy manifesto of how technology can drive the industry
needs from the shore network, with a consequent towards a greener future. The challenge now is to
reduction in CO emissions of up to 35% compared to a expand the application of these innovative technologies,
2
similar ship traditionally not equipped with such systems. making them the standard in tomorrow’s naval design.
The propulsion system consists of two azimuth thrusters,
driven by electric motors of 1200 kW each, reflecting the
need for optimized energy consumption and the DP1 Conclusions
dynamic positioning system. Since EU yards are still in the game for building small size
of highly technological vessels as the bunkering methanol
“This should be the next energy vessel, the opportunity of creating a E-Methanol Value
revolution, in which the Italian Chain based in Italy appears a great opportunity.
ecosystem represented by Energy Italy is the third Country in the world for coastal
Operators, Construction Firms, infrastructures along the sea, the second manufacturing
Yards and Ship Operator industry in EU, one of the most important world players
should play a big role in building and operating ship.
As it has been made for the decree n. 191 dated June
This configuration offers excellent manoeuvrability, which 27 , 2022, which was providing state grants for
th
is crucial for port operations, and allows the vessel to construction of LNG small scale deposits (including
maintain an optimal transfer speed of 10-11 knots. acquisition of LNG bunkering vessels for coaster trade),
Azimuth thrusters are also known for their efficiency and EU provisions should be granted for construction of
reliability, making them an ideal choice for operations E-Methanol plants and acquisition of new ships for
that require precision and control. methanol related transportation and distribution.
The electric motors are powered by three generators Creation in Italy of a complete integrated E-Methanol
with a total installed power of 3340 kW, while the largest, cycle from production to maritime distribution has to be
a 1,840 kW MAN 175D, will be able to run on both the next energy revolution in which the Italian ecosystem
methanol and Marine Diesel Oil. This generator, along represented by Energy Operators, Construction Firms,
with the batteries, represent the heart of the SG116 Yards and Ship Operator should play a role.

Alessandro Orsolino

A naval engineer who graduated in 2005 from the Manager, and later as Project Engineer coordinating on
University of Genoa, Engineering Department, board activities, subcontractors, work planning and
Alessandro Orsolino worked firstly for Carnival corporate internal resources for ships’ repair and vessel refitting
shipbuilding until 2011 as steel and paint surveyor, projects. Since 2019 he has been the Head of Technical
responsible for all steel structures for Cruise Vessels Office. He coordinates the vessels’ design activities on
built in major Italian shipyards. newbuilds, ships’ repairs, retrofits and conversion
He then joined San Giorgio del Porto in 2011 as Ship projects.

IndustrIal Plants - May 2024
52