This article scientifically analyzes the evolution of Azerbaijan’s energy policy over the past 30 years and its role both in the national economy and in the system of international relations. Since the signing of the “Contract of the Century” in 1994, the energy sector has become the cornerstone of Azerbaijan’s sovereign development model. The visionary strategy of President Heydar Aliyev and the “green energy” policy of President Ilham Aliyev, which responds to the challenges of the modern era, constitute the analytical framework of the article. The analysis demonstrates that Azerbaijan’s energy strategy ensures not only economic stability but also serves as a key guarantor of regional energy security. The 30-year history of the Caspian Oil and Gas exhibitions and the global impact of Baku Energy Week leading up to COP29 highlight that Azerbaijan’s energy diplomacy is grounded in the principles of mutual benefit, environmental responsibility, and geoeconomic partnership. The article also examines the effectiveness of Azerbaijan’s policy in maintaining a balance between fossil fuels and renewable energy sources in the international energy market and emphasizes the ecological, economic, and diplomatic significance of its future energy strategy.