Expanding Aurora Botnia’s Green Credentials
Technology group Wärtsilä has been selected as the electrical integrator for a landmark project to expand the battery capacity of Wasaline’s ROPAX ferry Aurora Botnia. The upgrade will increase capacity from 2.2 MWh to 12.6 MWh, making it the world’s largest marine battery hybrid system in operation. The order was confirmed in Q3 2025, with commissioning scheduled for early 2026.