Wärtsilä Gas Solutions moves from Finland to Germany: Mutares SE & Co. KGaA completes acquisition
Wärtsilä sold the Gas Solutions Business to the German Private Equity Mutares. In Australia 100 MW / 223 MWh BESS for the Australian renewable energy retailer Flow Power
Wärtsilä has agreed to divest its Gas Solutions business to the German private equity investor Mutares SE & Co. KGaA. Its core expertise includes handling of gas in maritime transport, inert gas systems, enabling gas-to-power, and delivering liquefaction and biogas solutions. Operating globally, Gas Solutions supports customers on their journey towards a sustainable future through focus on lifecycle expertise, innovation and digitalisation.
Gas Solutions in the Wärtsilä point of view
As part of Wärtsilä Portfolio Business, Gas Solutions has operated independently to accelerate performance improvements and unlock value to Wärtsilä through divestment. In 2024, the annual revenue of Gas Solutions was EUR 300 million.
Bernd Bertram, Head of Portfolio Business, Wärtsilä says: “This divestment is yet another proof point of our Portfolio Business divestment strategy coming to life. With Mutares, Gas Solutions will have a strong platform to continue driving the business, for the benefit of its customers and the highly skilled Gas Solutions professionals.” Subject to approvals, the transaction is expected to be completed in the second quarter of 2026.
And swimming to Australia…
Wärtsilä will deliver a 100 MW / 223 MWh battery energy storage system for the Australian renewable energy retailer Flow Power. Located adjacent to the Morwell Terminal Station in Victoria, Flow Power’s Bennetts Creek BESS will provide essential ancillary services, such as frequency regulation, strengthening grid stability and accelerating Australia’s transition towards a renewable energy future. The order was booked in Q4 2025.
Bennetts Creek will also provide frequency regulation, a key ancillary service, which offers a steady, valuable income stream that complements energy arbitrage and helps meet key compliance requirements for BESS projects. It also plays a crucial role in keeping the grid stable as traditional generators retire.
The project will utilise Wärtsilä’s Quantum hardware, a fully integrated, modular, and compact energy storage system (ESS) designed to ease deployment and optimise sustainable energy across project locations and market applications. Wärtsilä’s controls and optimisation software, GEMS, will serve as the project’s intelligent power plant controller, managing the integration of the energy storage system. It conducts intelligent power control and optimised energy management operations for the entire plant to meet grid requirements and response times, charge and discharge the battery appropriately, and maximise project value. This project will be delivered under an engineered equipment delivery (EEQ) contract with Wärtsilä providing guaranteed asset performance under a separate long-term service agreement.
