Minesto hits 48-hour service turnaround for Dragon 4 tidal systems

The intervention in Vestmannasund involved recovering the plant, extracting the nacelle to inspect an upgraded generator, and conducting functional checks before redeployment. By scheduling this work during a low-production tidal period, Minesto effectively neutralized the impact on total energy output. CEO Martin Edlund noted that this speed eliminates reliance on specialized port facilities, a critical hurdle for deploying tidal energy in remote coastal regions.

Unlike traditional offshore systems that demand heavy-lift vessels and prolonged downtime, the Dragon technology relies on swapping out subsystems on-site. This modular approach allows for comprehensive maintenance to occur onshore while the core installation remains functional. CTO Bernt Erik Westre credits the efficiency to long-term collaboration with local contractor SJH Offshore, which has allowed the team to refine their recovery and launch procedures through years of repeated ocean deployments. As Minesto scales toward multi-unit commercial arrays, this ability to minimize downtime serves as a central pillar for lowering the Levelized Cost of Energy (LCOE).