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Case Studie

 

Erfolgreiche H4S4 Migration bei Stadtwerke München mit Unterstützung von Natuvion


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IT | Aachen | approx. 630 employees | EUR 122 M revenue (2020) 

regio iT is the largest IT Service Provider for municipalities in the German state of North Rhine-Westphalia. Headquartered in Aachen with locations in Gütersloh and Siegburg, regio iT provides its expertise to public institutions and administrations such as townships, schools, local utilities, waste management, as well as non-profit organizations. Its portfolio is comprised of strategy and project-based consulting, integration, IT infrastructure, and a full-service offering. As a key contributor to major research and development programs and nationwide initiatives, regio iT is at the forefront of new technologies, including intelligent platforms and internet of things (IoT).

Further information is available at www.regioit.de 

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Über die Stadtwerke München

Umsatz: 9.672 Mrd. Euro

Industrie: Energie

Produkte | Services: Strom, Gas, Wasser, Bäder, Elektromobilität,
Photovoltaik, Telekommunikation

Natuvion Leistung: Conversion auf HCM für SAP S/4 HANA

Challenge
  • Selecting the most suitable migration strategy from multiple available options.

  • Lack of specialized SAP S/4HANA expertise and limited internal resources.

  • High demands for planning reliability regarding costs, risks, and resource allocation.

  • Limited transparency into the existing data and system landscape.

Solution
  • Execution of a structured discovery phase.

  • Comprehensive data assessment using the Natuvion Data Conversion Suite.

  • Fact-based decision-making enabled through detailed analysis.

  • Close collaboration and regular alignment among all project stakeholders. 

Result
  • Well-founded decision on the optimal transformation approach.

  • Clear SAP S/4HANA roadmap with a defined technical implementation strategy.

  • Reduced risks and increased planning reliability.

  • Successful, partnership-driven collaboration as a key success factor. 

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Objective

Energieversorgungs- und Verkehrsgesellschaft mbH Aachen (E.V.A.) faced the strategic decision of transforming its existing SAP ERP/ECC landscape towards SAP S/4HANA. The objective was not merely to execute a migration, but to identify the optimal transformation approach based on well-founded insights and analysis. Together with the municipal IT service provider regio iT and supported by Natuvion’s transformation expertise, the goal was to establish a clear and reliable roadmap for the transition. Particular emphasis was placed on creating a fact-based foundation for decision-making that considered both technical and business requirements.

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Industry:

IT

Key service:

Discover phase to SAP S/4HANA
transformation with DCS

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Project approach:

SAP transformation

Project duration:

-

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Source system:

SAP ERP/ECC system

Target system:

SAP S/4HANA

Detailed project overview

Finding the right migration strategy

The primary challenge was to determine the migration approach best suited to E.V.A.’s specific requirements from a range of available transformation options. A generic comparison of advantages and disadvantages alone was insufficient, as the existing system landscape and data structures required a far more differentiated analysis. At the same time, reliable planning was essential in order to realistically assess risks, costs, and resource requirements.

In addition, the project faced a lack of specialized SAP S/4HANA expertise as well as limited personnel capacities in the area of SAP transformation. Without a detailed assessment of the current landscape, there was a significant risk of making incorrect strategic decisions or pursuing inefficient transformation paths.

Enabling informed decisions through the discovery phase

To address these challenges, the project team implemented a structured discovery phase as a preliminary conceptual stage of the transformation program. At the core of this phase was a comprehensive data assessment conducted by Natuvion using its proprietary Natuvion Data Conversion Suite.

All technical information within the existing SAP landscape was analyzed and presented in a transparent and structured manner. These insights formed the basis for informed discussions and strategic decision-making across the E.V.A. organization. At the same time, the close collaboration between regio iT, Natuvion, and all involved stakeholders ensured continuous knowledge transfer throughout the project. Regular coordination and communication created transparency, enabled the rapid clarification of open issues, and provided a stable framework for effective project governance.

Setting the course for a successful SAP S/4HANA transformation

Based on the insights gained during the discovery phase, E.V.A. was able to make a well-founded decision regarding its individual transformation approach. The discovery phase not only delivered the necessary basis for decision-making, but also established the foundation for the SAP S/4HANA roadmap and its technical implementation.

The structured preparation had a positive impact on the overall project execution, particularly through reduced risks and improved planning reliability. Furthermore, the collaborative partnership between all parties involved proved to be a critical success factor. The transparency achieved and the close coordination enabled efficient alignment and ensured adherence to the project timeline. Building on these results, the collaboration will continue throughout the subsequent project phases as the transformation moves into active implementation.

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Download the full success story as a PDF

Open communication of all team members with frequent meetings was instrumental in getting immediate clarifications where needed. Getting the project over the finish line in time was never in doubt.
Jochen Bordfeld
Lead Center SAP Systems, regio iT

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