SPIE, the independent European leader in multi-technical services for energy and communications, is modernising the electrical and control systems at Block 4 of Uniper’s Staudinger power station in Großkrotzenburg. The modernisation work of the gas-fired power station has been underway since 2024, is scheduled for completion by 2028 and will provide the technical basis for continued safe, reliable operation. The German Federal Network Agency classifies the power station as systemically critical to overall grid stability and security of supply. It will therefore remain in operation until at least 2031.
As one of the most important power stations in the state of Hesse, it is key to ensuring a stable supply of electricity in the Rhine-Main region while evolving into a modern energy and infrastructure hub. The focus is on low-carbon technologies, including a hydrogen-compatible gas and steam turbine plant as well as new applications such as data centres and battery storage systems in the longer term.
SPIE’s scope of services includes replacing low-voltage switchgear. In this context, SPIE is carrying out installation, connection, and dismantling work in electrical and control engineering, including the complete replacement of all low- and medium-voltage cables. SPIE is also replacing the busbars on the low-voltage side of the four existing low-voltage transformers with cables. The 10-kV connections on two service transformers will be either refurbished or replaced. Because parts of the systems must remain operational while the work is carried out, the new cables will mainly be laid parallel to the existing routes. Moreover, SPIE is undertaking cable pulling work and providing control systems services at the substation.
In 2024, SPIE supported the project by retrofitting the generator switch and replacing the converters for the feedwater pumps. During this project, around 35 kilometres of medium-voltage, low-voltage, and control cables were laid and connected.
Original announcement: SPIE
Image: Courtesy of SPIE
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