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However, microgrid planning remains complex because technical performance, economic feasibility, and environmental impacts must be evaluated simultaneously. This study proposes a comprehensive framework for the design and validation of a grid connected hybrid microgrid for a university campus using HOMER Pro and DIgSILENT PowerFactory. The system integrates solar photovoltaic generation, wind turbines, battery energy storage, power converters, and utility grid support to satisfy campus electricity demand. Four alternative configurations were evaluated using HOMER Pro, and the optimal configuration includes a 50\u00a0kW photovoltaic array, seventeen 3\u00a0kW wind turbines, and eight 12.8\u00a0V 100 Ah battery units. The optimized system achieves a Net Present Cost of USD 51,985 and a Cost of Energy of USD 0.0287 per kWh, while attaining a renewable energy fraction of 77.1 percent. Annual carbon dioxide emissions are reduced by approximately 43,008\u00a0kg, corresponding to a 69.1 percent reduction compared to a conventional grid supplied system. Sensitivity analysis and PowerFactory validation confirm reliable operation, voltage performance, and long-term system robustness.<\/jats:p>","DOI":"10.1038\/s41598-026-45872-9","type":"journal-article","created":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T14:24:42Z","timestamp":1776090282000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Design and techno-economic validation of a university campus hybrid microgrid using HOMER Pro and DIgSILENT PowerFactory"],"prefix":"10.1038","volume":"16","author":[{"given":"Md Mehedi","family":"Hasan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kawsar Ahmed","family":"Refat","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Md. 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