TotalEnergies-Chartered Tanker Cuts Fuel Use by Up to 21% with Wind Propulsion and Weather Routing

Syroco Releases Data on Alcyone’s Fuel Efficiency Gains
French software provider Syroco has shared performance data from the deployment of wind propulsion and weather optimization technology on the TotalEnergies-chartered tanker Alcyone.
The 183-meter-long Alcyone, owned by Socatra, was equipped with two rotor sails from Norsepower in early 2024. The vessel operates on transpacific routes and benefits from Syroco’s digital platform, which optimizes routing based on weather conditions to maximize wind propulsion efficiency.
Key Performance Results
- Wind assistance reduced fuel consumption by 4% to 18%.
- Syroco’s weather routing added reductions of 3% to 18%.
- Combining both technologies achieved fuel savings of up to 21%.
- The vessel saved approximately 50 tons of fuel monthly, equating to 1,800 tons of CO2 emissions avoided annually.
Advanced Optimization
Hector Firino Martell, Fleet Manager of Socatra, emphasized the complexity of optimizing routes with rotor sails, as factors like waves, swell, and currents must be considered. Syroco’s digital twin technology and simulation capabilities empower crews to amplify propulsion efficiency by leveraging favorable weather conditions.
Collaboration for Sustainable Shipping
Sébastien Roche, General Manager of Shipping Performance and Innovation at TotalEnergies, highlighted the company’s commitment to reducing emissions and improving energy efficiency through innovative partnerships with Socatra and Syroco.
Syroco’s co-founder and president, Alex Caizergues, praised the measurable performance improvements and the successful adoption of the platform by the Alcyone’s crew, showcasing the platform’s potential in driving fuel and emissions reductions across the maritime industry.
Proven Success
The reported results are based on data collected over 9 voyages conducted between May and October 2024, reinforcing the effectiveness of wind-assisted propulsion and weather optimization technologies in achieving significant environmental benefits.
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