IN Brief:
- Siemens and Vulcan Energy have signed a framework agreement for the Lionheart project in Germany’s Upper Rhine Valley.
- Siemens becomes a preferred automation and digitalisation supplier to Vulcan through 2035, with Siemens Financial Services also providing strategic investment.
- Lionheart targets lithium output alongside renewable power and heat production for local consumers over a multi-decade project life.
Siemens and Vulcan Energy have expanded their collaboration around the Lionheart project in Germany’s Upper Rhine Valley, signing a framework agreement and a memorandum of understanding that make Siemens a preferred supplier of automation and digitalisation technology to Vulcan through 2035. Siemens Financial Services is also providing strategic investment, giving the arrangement both an operational and financing dimension as the project progresses.
Lionheart is being developed as an integrated lithium and renewable energy project. The first phase targets annual production of 24,000 tonnes of lithium hydroxide monohydrate, enough for around 500,000 EV batteries, while also producing roughly 275 GWh of renewable power and 560 GWh of heat each year for local consumers. Those outputs place the scheme at the intersection of critical materials supply, industrial automation, and regional energy infrastructure rather than within a single conventional project category.
The automation and digitalisation element is central to how the project is being structured. Integrated schemes of this kind have to coordinate process control, plant availability, energy flows, monitoring, and reporting across multiple output streams. Standardising that operating layer through a long-term supplier relationship can support commissioning, improve process consistency, and provide a clearer digital framework as the project scales through future phases.
The wider European context is important. Battery materials, renewable generation, and industrial energy systems are often discussed as separate policy tracks, yet projects like Lionheart bring them together in one location. Europe’s industrial strategy increasingly depends on securing more domestic control over critical raw materials while also expanding clean power and reducing exposure to imported fuels. A project that can combine lithium recovery with useful power and heat production reflects that broader direction of travel.
Automation vendors are also moving deeper into that strategic layer. Digital control systems are no longer simply plant components selected late in a project cycle. They are becoming part of the wider bankability and operating logic for complex industrial assets, especially where infrastructure has to satisfy lenders, regulators, and long-term customers across multiple technical functions. Siemens’ role in Lionheart reflects that shift, with automation sitting alongside finance and process integration as part of the development platform.
The heat and power outputs also widen the project’s relevance. Lionheart is not only being positioned as a lithium source for Europe’s battery chain, but as an industrial energy asset with direct regional value. That integrated model is gaining traction across parts of the energy transition, where projects are increasingly expected to deliver more than one strategic benefit from the same investment base.
There is still a significant distance between signed framework agreements and full-scale operation, particularly in technically complex projects combining extraction, energy production, and downstream processing. Execution, permitting, financing, and performance all remain decisive. Even so, the Siemens-Vulcan arrangement shows that the project is moving further into the stage where long-term delivery partnerships and digital operating architecture are being defined in detail.
Further information on the agreement is available from Siemens here.