Techno-Economic Analysis of a Hybrid Diesel-Wind-Battery System for a Case Study in Egypt

This study presents a dual-approach analysis of hybrid energy systems, addressing the critical balance between economic optimization and energy autonomy. Using HOMER Pro, two distinct configurations of a diesel-windbattery system were designed and evaluated for a tourist village in Marsa Alam, Egypt. The first configuration, optimized for cost-effectiveness, reduced the Net Present Cost by 21.3 % and carbon emissions by 51.1 % compared to a conventional diesel-only system, achieving a 17.9 % internal rate of return with a 5.32-year payback period. The second configuration focused on resilience, increasing system autonomy from 0.46 to 3.67 hours while achieving 53.4 % emission reduction, though requiring an 11.6 -year payback period. The findings reveal a clear trade-off: while the autonomy-focused system entails a higher initial investment and longer payback period, it provides enhanced energy security. This research validates that hybrid renewable systems can deliver economic viability and operational resilience, providing a practical framework for energy planning in remote communities.