A leading electricity retailer in Texas, serving about 2 million customers, partnered with NCR and EY to upgrade their SAP ECC Retail Energy system. Despite operating in a highly competitive market, NCR's proven upgrade methodology allowed for a seamless transition with minimal disruption. Our unique parallel testing approach not only reduced the cutover window but also ensured the project was completed on time and within budget. This upgrade positions the client's system for future enhancements, ensuring they can quickly adapt to evolving customer and business needs.