TY - RPRT TI - PowerModelsGAT-AI: Physics-Informed Graph Attention for Multi-System Power Flow With Continual Learning AU - Ezeakunne, Chidozie Gospel [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Univ. of Central Florida, Orlando, FL (United States)] (ORCID:0009000493189195) AU - Tabarez, Jose Enrique [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000348006340) AU - Pokharel, Reeju [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000205636142) AU - Pandey, Anup [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000222330858) PY - 2026 DO - 10.1109/access.2026.3704935 UR - https://www.osti.gov/biblio/3399515 ID - 3399515 ER -