HD Hyundai is accelerating the development of large electric-powered vessel technology as the company expands efforts to advance low-emission propulsion solutions for the maritime sector.

The company said it is developing an “energy mix power system” that combines dual-fuel engines with ammonia-based solid oxide fuel cells. The system is designed to respond flexibly to changing onboard power loads while improving efficiency and reducing emissions.

For onboard power distribution, HD Hyundai is focusing on medium-voltage direct current systems, which the company said can provide improved efficiency compared with conventional alternating current systems.

The group is also working with the American Bureau of Shipping to establish design standards and regulatory frameworks for the new technology.

In the propulsion segment, HD Hyundai is developing a medium-voltage drive system based on modular multilevel converter technology. According to the company, the configuration is intended to support precise motor control, lower noise levels and stable performance under demanding marine conditions.

The company aims to commercialize the electric propulsion system in 2028, with deployment on large electric-powered vessels targeted by 2030.