Retrospective Forecasting Using Provincial Grid Data and a Quota-Based Hybrid Physical-AI Model0 views•2026•EngineeringXiaohui Wang1, Tong Li1, Yanchao Lu1, Quanfeng Lv2, Fan Liu3Xiaohui Wang1Tong Li1Yanchao Lu1Quanfeng Lv2Fan Liu31State Grid Economic and Technological Research Institute Co., Ltd., Techno-Economic Center, 2Finance and Assets Department, State Grid Shandong Electric Power Company, 3Nanjing UniversityState Grid Economic and Technological Research Institute Co., Ltd., Techno-Economic CenterFinance and Assets Department, State Grid Shandong Electric Power CompanyNanjing University