In the lively state of Tamil Nadu, the solar photovoltaic rooftop market is expanding at an unprecedented rate owing to the innovative spirit of pioneers who are making significant investments in state-of-the-art solar power systems and innovative installation services. In the midst of this revolutionary upsurge, our thorough analysis aims to explore the complex web of variables influencing solar photovoltaic rooftop firms' profitability. The investigation goes beyond the traditional interpretation of obstacles, offering a sophisticated evaluation that captures not just the difficulties but also—and maybe more significantly—the overwhelming optimism among business owners. Important factors include standard costs, metering techniques, government solar PV rooftop policies, and a host of other variables are carefully considered. The results provide more than just a list of difficulties; they also provide a compelling story about the happiness and hope that characterise entrepreneurs. In addition to adding to the body of knowledge, this in-depth investigation hopes to inspire solar enterprises in Tamil Nadu's developing solar energy industry and help them grow and succeed in the future.