GridSFM: A Foundation Model for Solving AC Optimal Power Flow

arXiv:2609.30173 · eess.SY, cs.LG, cs.SY, math.OC · Submitted 2026-09-24 · Read on arXiv

eess.SY, cs.LG, cs.SY, math.OC

Submitted: 2026-09-24

Updated: 2026-10-06

Code: https://github.com/lukebhan/gridsfm

Terminology

• Fine-Tuning — 41× in this paper · explained in 5 episodes
• Foundation Model — 16× in this paper · explained in 3 episodes
• Transformer — 13× in this paper · explained in 2 episodes
• Downstream Tasks — 7× in this paper · explained in 2 episodes
• Ablation — 4× in this paper · explained in 1 episode
• Accuracy — 4× in this paper · explained in 1 episode
• Foundation Models — 3× in this paper · explained in 7 episodes
• Ablation Studies — 2× in this paper · explained in 1 episode
• Ablation study — 2× in this paper · explained in 1 episode
• Loss Function — 2× in this paper · explained in 2 episodes
• Multi-Layer Perceptron — 2× in this paper
• AC Optimal Power Flow (AC-OPF) — 1× in this paper · explained in 1 episode
• Abstraction — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Adjoint Method — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• GNNs — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Graph Neural Network (GNN) — 1× in this paper · explained in 2 episodes
• Heterogeneous Graph — 1× in this paper · explained in 2 episodes
• Linear Inequality Constraint Qualification — 1× in this paper
• Scaffolding — 1× in this paper · explained in 3 episodes
• Transformer Architecture — 1× in this paper · explained in 2 episodes

Sources

• The Power Grid Library for Benchmarking AC Optimal Power Flow Algorithms
• OPFData: Large-scale datasets for AC optimal power flow with topological perturbations
• Building Power Grid Models from Open Data: A Complete Pipeline from OpenStreetMap to Optimal Power Flow

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