This study evaluates the financial performance and profitability of selected power sector companies listed on the NSE, including *Suzlon, **NHPC, **NTPC, **Tata Power, and **RattanIndia Power, over the period from 2019-20 to 2023-24. The analysis focuses on key profitability ratios such as **Gross Profit Ratio, **Operating Profit Ratio, **Net Profit Ratio, **Return on Equity (ROE), **Return on Assets (ROA), and **Return on Capital Employed (ROCE). The research applies accounting tools for profitability ratio analysis and uses **F-test (one-way ANOVA)* to assess statistical significance in the differences across the companies. The findings reveal that NHPC consistently outperforms its peers, maintaining strong financial stability with positive growth in all profitability ratios throughout the study period. NTPC also performs well, particularly in ROCE and Operating Profit, demonstrating effective capital management. Tata Power  shows notable improvement in  ROCE, particularly in the year 2022-23, but experiences some fluctuations in other profitability ratios, indicating areas for improvement in overall financial consistency. Suzlon, while showing significant recovery in recent years, faced substantial volatility in earlier years, reflecting challenges in maintaining stable profitability.  RattanIndia Power displays declining financial performance, particularly in ROA and Net Profit Ratio, with negative profitability in the final year of the study. The F-test results indicate statistically significant differences in the Gross Profit Ratio and Return on Capital Employed (ROCE) among the companies, while other ratios such as Operating Profit, Net Profit, ROE, and ROA do not show significant differences. The study concludes that NHPC and NTPC demonstrate strong financial performance, while Suzlon and RattanIndia Power need to focus on improving profitability and financial stability. Tata Power* can enhance consistency in its overall financial ratios for sustained growth.