On May 12, 2025, South Carolina Governor Henry McMaster signed the South Carolina Energy Security Act (Act 41) into law, a significant bipartisan effort aimed at addressing the state's economic growth and energy generation needs. This wide-ranging energy legislation spans 72 pages and includes provisions that impact ratemaking, resource planning, new generation facilitation, advanced nuclear resources, energy efficiency initiatives, economic development rate design, and regulatory processes. The Act modernizes the electric utility base ratemaking process through the Electric Rate Stabilization provisions, requiring quarterly reports for rate adjustments based on need. It mandates the preparation of a comprehensive 10-year energy assessment and action plan to ensure reliable energy supply, focusing on transmission and power system reliability. Additionally, Act 41 encourages the development of new generation and energy storage systems, including advanced nuclear facilities and renewable energy resources. The law establishes competitive procurement programs for renewable energy and standalone energy storage facilities and grants authority for natural gas generation projects. It emphasizes the prompt completion of energy infrastructure projects to support the welfare of the state. Overall, Act 41 sets a new state policy for energy development in South Carolina, emphasizing sustainability, economic growth, and energy security.