Odfjell Presses Ahead with Second eSail Installation Despite Reliability Challenges on Bow Olympus

Norwegian chemical tanker operator Odfjell is moving forward with a second wind-assisted propulsion project after results from its pioneering eSail installation aboard the Bow Olympus provided sufficient confidence to proceed, according to Seatrade Maritime. The company will fit improved eSail rotor sail units on another vessel in its fleet next year, marking a continued commitment to wind-assisted propulsion technology as part of its broader decarbonisation strategy. The decision comes despite the Bow Olympus project encountering some reliability challenges during its operational period — a candid acknowledgement that reflects the real-world complexities of deploying emerging green technologies at sea. eSails, also known as rotor sails or Flettner rotors, harness the Magnus effect to generate additional thrust from wind, reducing fuel consumption and associated emissions. For chemical tanker operators like Odfjell, which face both regulatory pressure and customer scrutiny over environmental performance, such technologies represent a practical near-term pathway to reducing carbon intensity without wholesale fleet replacement. Odfjell's willingness to proceed with a second installation — incorporating lessons learned and technical improvements from the Bow Olympus experience — signals a pragmatic, iterative approach to green technology adoption. Rather than abandoning the technology at the first sign of operational difficulty, the company appears to be treating the initial deployment as a development platform, working with its technology partners to refine the solution before broader fleet rollout. The move aligns with growing industry momentum around wind-assisted propulsion. Several major shipping companies have invested in rotor sail technology in recent years, with suppliers reporting increasing order pipelines as operators seek cost-effective compliance pathways under the IMO's Carbon Intensity Indicator (CII) framework and the EU Emissions Trading System. For Odfjell, a company that has consistently positioned itself as a sustainability leader within the chemical tanker segment, the eSail programme forms part of a wider portfolio of efficiency and decarbonisation measures. The confirmation of a second project will be closely watched by peers across the tanker sector as evidence that wind-assisted propulsion can deliver commercially viable results even when early deployments encounter teething problems. Further technical details on the improved eSail specification and the vessel selected for the second installation are expected to be disclosed closer to the project's execution date.