Net Zero Energy Buildings in Bangladesh: An Investigation of Solar Panel Feasibility and Potential

This research framework checks whether solar photovoltaic (PV) systems can meet Net Zero Energy Building (NZEB) goals for homes in Bangladesh. Because of the local climate, the study creates a model of a typical house with rooftop solar panels. It then calculates the yearly energy produced, how the panels degrade over time, and the total life‑cycle cost. The method runs detailed performance simulations using Bangladesh’s weather data. It compares the solar power generated on site with the building’s electricity demand. The study also looks at adding energy storage—both batteries and thermal storage—to smooth out the sun’s variability and keep the grid stable. A full techno‑economic analysis estimates the payback period,

the levelized cost of energy (LCOE), and the net present value (NPV) of the system. Maintenance needs and the potential reduction in carbon emissions are also examined. The resulting model gives architects, energy engineers, and policy makers a practical tool for moving urban residential buildings in tropical, developing regions toward sustainable, low‑carbon energy solutions.

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