Fast-growing economy of Bangladesh has been the problem of energy supply, mainly consisting of heavy fossil fuel consumption, high electricity prices, and frequent power outages. To tackle these problems, the country is putting a lot of emphasis on renewable source of energy. It's the government's initiative like the Net Metering Guideline and the natural sun power potential of the country that are helping it. The present work of research examines both the technical and ecological practicability of connecting solar rooftop photovoltaic systems to the grid for different institution types as a solution that is both sustainable and economical. A solar system of 10.8 kWp is going to be set up in Natore and has been previously tested by the software PVsyst alongside the NREL solar radiation data. For performing this simulation, 27 monocrystalline modules with a tilt of 30 degrees were applied. The findings of the simulation indicate that around 1,564.2 kWh/m² would be the yearly horizontal irradiation, thus confirming large-scale solar power generation potential. During the lifecycle assessment, 19,935 kg of total CO₂ emissions were calculated, which are due to manufacturing and installation processes and form the environmental baseline of the system. The research denotes that rooftop solar net metering is technically feasible, environmentally sustainable, and economically beneficial for Bangladesh's institutional sectors. The installation of such systems can help reduce electricity bills, enhance energy security, and minimize carbon footprints. In order to fasten the process of adoption and meet the national sustainability objectives, the research suggests the enhancement of policy framework, provision of financial incentives, offering of technical support, and creating public awareness.