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Grid Expansion Project – SuedOstLink
Engineering Services
- Specialist project management for civil works in the converter (Wolmirstedt) subproject
- Technical leadership and coordination of all structural, planning, and execution services
- Management of external engineering consultants, experts, and construction companies
- Review and approval of structural technical documents and ensuring technical standards
- Coordination of structural interfaces (route, cable technology, stations, environment, permitting)
- Coordination with authorities and public stakeholders
- Participation in tendering, awarding, and technical bid evaluation
- Support during construction execution, including evaluation of scope changes and change orders
- Technical support in schedule, cost, and risk management
- Evaluation of complex construction and execution risks in a large-scale infrastructure project
Project Description
Project Objective:
Construction of a high-performance direct current transmission line (HVDC) to support the energy transition.
Project Scope:
As part of the grid expansion project SuedOstLink, a converter station (HVDC) was constructed in Wolmirstedt. The facility forms one of the central grid nodes for integrating the transmitted energy into the 50Hertz high-voltage grid.
The project included structural and electrical planning as well as the construction of converter buildings, ancillary facilities, grid connection links, and infrastructure areas, taking into account high technical, permitting, and environmental requirements.
The converter station represented a key prerequisite for the secure feed-in and transmission of the energy transported via SuedOstLink.
Results
Successful structural implementation of the converter station within the planned service period
Ensuring schedule, cost, and quality targets within the civil works package (approx. €56 million)
Transparent cost and risk control through established controlling and documentation structures
Early implementation of standardized claim and change management processes to minimize economic risks
Efficient coordination between planning, procurement, and construction execution through integrated management approaches
Sustainable stabilization of structural interfaces in a complex large-scale infrastructure project
