In the post-pandemic era, as societal life demands gradually recover and stabilize, the American public utilities sector has demonstrated positive growth momentum, garnering significant investor attention. This research focuses on four prominent enterprises within the industry, including Southern Company (SO), American Electric Power (AEP), Duke Energy (DUK), and Exelon Corporation (EXC). These entities not only epitomize the developmental trajectories of the electric power industry but also reflect the escalating influence of renewable energy over traditional fossil fuels and the ramifications of heightened environmental standards on corporate operations. Leveraging the 2023 annual reports as foundational data, this study conducts a thorough analysis and valuation of these firms' financial statement indices and price-to-earnings ratios, aiming to offer comprehensive insights and analyses regarding their financial standings and market prospects. The findings indicate that Southern Company exhibits robust market competitiveness and allure, alongside an optimistic outlook for future development, rendering it a viable candidate for sustained attention from investors seeking long-term value investments.