Power & Sustainability

Power & Sustainability explores the future of sustainable energy within the maritime sector, providing our members with insights and discussion on emerging technologies, practical solutions and policy developments.

You can expect topics such as renewable energy innovations, energy efficiency strategies and alternative fuels.

Conference Proceedings

CONVERSION OF AN LNG CARRIER TO FLOATING STORAGE AND REGASIFICATION UNIT

Alternative Fuels

By R Bhat

Edition Issue: LNG/LPG and Alternative Fuel Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

LNG carrier conversions are emerging as a faster, lower-cost route to expanding gas import infrastructure. By transforming existing vessels into floating storage and regasification units, operators can significantly reduce capital expenditure and deployment timelines. The approach strengthens energy security, improves market responsiveness, and supports growing global natural-gas demand efficiently today.

Detail Link: CONVERSION OF AN LNG CARRIER TO FLOATING STORAGE AND REGASIFICATION UNIT

LNG BUNKERING VESSELS AND BARGES: A 2020 UPDATE

Alternative Fuels

By R D Tustin J M Navarro W J Choi

Edition Issue: LNG/LPG and Alternative Fuel Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Dedicated LNG bunkering vessels and barges are rapidly expanding to support growing adoption of gas-fuelled shipping. Tracking successive generations of newbuilds and conversions, the analysis highlights evolving transfer capabilities, specialised fuel-handling systems, and accelerating global infrastructure development. The trend underscores LNG’s emerging role in lower-emission maritime operations worldwide today ahead.

Detail Link: LNG BUNKERING VESSELS AND BARGES: A 2020 UPDATE

AUTONOMOUS SHIP: MANOEUVRING AND CONTROL IN LABORATORY ENVIRONMENT

Autonomous Ships

By A Chandra Dubey V A Subramanian P Krishnankutty

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Dedicated LNG bunkering vessels and barges are rapidly expanding to support growing adoption of gas-fuelled shipping. Tracking successive generations of newbuilds and conversions, the analysis highlights evolving transfer capabilities, specialised fuel-handling systems, and accelerating global infrastructure development. The trend underscores LNG’s emerging role in lower-emission maritime operations worldwide today ahead.

Detail Link: AUTONOMOUS SHIP: MANOEUVRING AND CONTROL IN LABORATORY ENVIRONMENT

NUMERICAL AND EXPERIMENTAL ANALYSES OF VARIABLE BUOYANCY SYSTEM FOR AUTONOMOUS UNDERWATER VEHICLE

Autonomous Ships

By B K Tiwari  R Sharma

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Variable buoyancy technology is advancing autonomous underwater vehicle performance by reducing reliance on energy intensive thrusters. Integrating a pump driven buoyancy system with advanced control algorithms, researchers demonstrated efficient depth keeping, improved manoeuvrability and extended endurance. The approach offers a promising pathway for longer, more capable underwater missions today ahead.

Detail Link: NUMERICAL AND EXPERIMENTAL ANALYSES OF VARIABLE BUOYANCY SYSTEM FOR AUTONOMOUS UNDERWATER VEHICLE

TOWARDS AUTONOMOUS SHIPS - FLAG STATE INVOLVEMENT AND REGULATORY ASPECTS

Autonomous Ships

By C Balls

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Autonomous shipping trials are driving regulatory evolution across international maritime governance frameworks. Examining MASS, flag-state responsibilities, safety conventions, alternative design provisions, and unmanned bridge operations, the analysis highlights key legal, operational, and certification challenges. The findings support safer, scalable, autonomous vessel deployment while maintaining compliance with established maritime regulations worldwide.

Detail Link: TOWARDS AUTONOMOUS SHIPS - FLAG STATE INVOLVEMENT AND REGULATORY ASPECTS

THE IMPACT OF SEA CURRENT ON UNDERWATER TRANSPORTATION USING FOUR AUVS

Autonomous Ships

By F U Rehman E Anderlini G Thomas

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Autonomous underwater transportation using multiple AUVs faces significant challenges from sea-current effects. Through nonlinear dynamic modelling and time-domain simulations researchers evaluated payload limits and control-system performance under opposing and cross-current conditions. Results showed effective PID-controlled operation against head currents while transverse currents induced instability and undesirable pitch oscillations at sea.

Detail Link: THE IMPACT OF SEA CURRENT ON UNDERWATER TRANSPORTATION USING FOUR AUVS

CONTROL SYSTEM DESIGN FOR AUTONOMOUS UNDERWATER TRANSPORTATION USING FOUR SEAPERCH HAUVS

Autonomous Ships

By F U Rehman E Anderlini G Thomas S Khalid  Z Riaz

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Coordinated underwater transport using multiple autonomous vehicles demands precise dynamic modelling and control optimisation. Researchers developed a nonlinear coupled system and demonstrated successful payload guidance through PID controlled trajectory tracking. Increasing controller gains improved responsiveness reduced lag and enabled reliable mission execution highlighting practical advances in cooperative AUV transportation systems

Detail Link: CONTROL SYSTEM DESIGN FOR AUTONOMOUS UNDERWATER TRANSPORTATION USING FOUR SEAPERCH HAUVS

DEVELOPING THE MARLAB MARINE AUTONOMOUS SURFACE SHIPS DATA PROJECT

Autonomous Ships

By R J H Blazejczyk W J Ellison S Hindley

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

MARLab is laying the foundations for autonomous vessel deployment by developing a shared navigation-data hub for UK waters. The scalable platform supports safe testing of sub-24-metre smart vessels while addressing regulatory, legal and operational barriers. By enabling secure data exchange, the initiative aims to accelerate Maritime Autonomous Surface Ship innovation.

Detail Link: DEVELOPING THE MARLAB MARINE AUTONOMOUS SURFACE SHIPS DATA PROJECT

CHALLENGES OF MISSION PLANNING FOR COLLABORATIVE MARITIME AUTONOMY

Autonomous Ships

By S R Turnock T S Hoang S J Johnston J Lam B Pritchard

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Integrated mission management is advancing collaborative maritime autonomy. Real-world trials coordinating surface, air, and underwater autonomous platforms demonstrated secure fleet control, reduced human intervention, and successful multi-domain mission execution. The findings highlight interoperability, communications resilience, and robust planning as critical enablers for scalable autonomous operations at sea worldwide today ahead.

Detail Link: CHALLENGES OF MISSION PLANNING FOR COLLABORATIVE MARITIME AUTONOMY

PAVING THE WAY TOWARD AUTONOMOUS SHIPPING DEVELOPMENT FOR EUROPEAN WATERS - THE AUTOSHIP PROJECT

Autonomous Ships

By V Bolbot G Theotokatos E Boulougouris L A L Wennersberg H Nordahl Ø J Rødseth J Faivre M Molica Colella

Edition Issue: Autonomous Ships 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Autonomous shipping is moving from concept to deployment through the AUTOSHIP initiative. By evaluating regulatory, safety, security, societal and supply-chain challenges across cargo and inland-waterway applications, researchers identified critical hazards, mitigation measures and governance gaps. The findings provide a practical framework for designing and scaling autonomous maritime operations safely worldwide.

Detail Link: PAVING THE WAY TOWARD AUTONOMOUS SHIPPING DEVELOPMENT FOR EUROPEAN WATERS - THE AUTOSHIP PROJECT

DAMAGE PREDICTION ON STIFFENED STRUCTURES BY USING PERIDYNAMICS

By C T Nguyen S Oterkus

Edition Issue: Damaged Ship V, 2020 Publication Year: 2020 Publication Type: Conference Proceeding

Peridynamics is offering a powerful new approach to predicting structural fracture and progressive damage in marine structures. Applied to plates and box girders under bending loads, the method captures crack initiation, propagation, and residual strength without traditional assumptions. The findings also demonstrate practical strategies for limiting crack growth effectively today.

Detail Link: DAMAGE PREDICTION ON STIFFENED STRUCTURES BY USING PERIDYNAMICS

IF YOU DOUBT THE VALUE OF SAFETY, TRY AN ACCIDENT

By D Vassalos  D Paterson

Edition Issue: Damaged Ship V, 2020 Publication Year: 2020 Publication Type: Conference Proceeding

FLARE is advancing a lifecycle-based approach to flooding risk management, challenging traditional reliance on damage-stability regulations alone. By integrating passive and active safety measures with risk-based assessment methods, the framework supports both new and existing vessels. The initiative promises more effective protection, improved resilience, and safer maritime operations overall today.

Detail Link: IF YOU DOUBT THE VALUE OF SAFETY, TRY AN ACCIDENT

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