Wärtsilä Marine is a global pioneer in power, propulsion, digital, and lifecycle solutions for the marine market. We develop industry-leading technologies, advancing maritime's transition to alternative fuels. We support building an end-to-end digital ecosystem where vessels and ports are connected.
The energy sector is undergoing a transformative shift as it works to decarbonise while continuing to deliver reliable and affordable energy to everyone – from homes to heavy industry. This transition presents tremendous opportunities for innovation and progress, and we are ready to lead the way.
Driving grid innovation globally, Wärtsilä Energy Storage combines cutting-edge technology with deep expertise to deliver the reliability and efficiency for a decarbonised energy future. Our portfolio includes high-performance hardware, intelligent controls and optimisation software, and full-service lifecycle support to deliver lasting value across the project lifespan.
Wärtsilä Portfolio Business has consisted of business units that operated independently, with the aim of accelerating performance improvement and unlocking value through divestments or other strategic alternatives. As of June 2026, we have divested all the business units moved to Portfolio Business over the years, with Wärtsilä completing two divestments: the Gas Solutions business to Mutares SE & Co. KGaA and the Water & Waste business to Solix Group AB. Wärtsilä Portfolio Business will have no remaining business activities.