The energy transition requires rapid scaling of renewable energy systems, with offshore wind playing a central role in Europe’s climate and energy security ambitions. The Netherlands, through TenneT’s 2GW Program, is pioneering a standardized 2 GW high-voltage direct current (HVDC) grid connection system. This thesis investigates how SE can address challenges in offshore grid projects and maximize benefits for Transmission System Operators (TSOs). Using a triangulated methodology: literature review, document analysis, and semi-structured interviews , the study evaluates SE implementation in the 2GW Program. Findings highlight four key themes: (1) requirements management, where structured and lifecycle-oriented specifications enhanced clarity, traceability, and collaboration; (2) verification and validation (V&V), which reduced risks and improved accountability through systematic compliance; (3) digitalization, enabling transparent, traceable, and program-wide data integration; and (4) external influences, such as contractual frameworks, supply chain disruptions, and organizational culture, which shaped SE effectiveness. While SE demonstrated significant potential, its benefits remain partly unrealized due to cultural inertia, contractor maturity gaps, and time pressures. The study recommends phased SE adoption, front-loaded requirements engineering, client-side V&V ownership, engineered digital tools, and embedding cultural change management. For researchers, it suggests broadening perspectives beyond the client to include contractors and assessing SE processes in later program stages. This research contributes to advancing SE as a governance and delivery mechanism for large-scale offshore infrastructure, supporting TSOs in delivering renewable grid connections efficiently.