Building planning must integrate energy efficiency to support sustainable development, not only reducing energy consumption by up to 40% through passive design, but also complying with national regulations such as Green Building (BGH). The use of technology and software in the planning process can help make design decisions more effective and measurable. This study aims to analyze the energy performance and natural lighting of Hotel Warni Padang using Sefaira integrated with SketchUp, enabling a fast and accurate evaluation of building performance at the initial design stage. The research method through digital modeling of the building followed by energy simulation analysis and light distribution in Sefaira is a reliable performance-based design approach for the evaluation of Hotel Warni Padang. The analysis results show that Sefaira is able to provide an initial overview of the level of energy consumption, distribution of natural lighting, and the potential efficiency of building design, although it still has some limitations in certain aspects of the analysis. The use of this application can help planners and building designers in determining design strategies that are more responsive to environmental issues. This research aligns with global demands to reduce energy consumption and carbon emissions in an effort to support the achievement of Net Zero Emissions, targeted for 2045.
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