AutoB2G: A Large Language Model-Driven Agentic Framework For Automated Building-Grid Co-Simulation

• URL: http://arxiv.org/abs/2603.26005v1
• Date: Fri, 27 Mar 2026 01:44:08 GMT
• Title: AutoB2G: A Large Language Model-Driven Agentic Framework For Automated Building-Grid Co-Simulation
• Abstract summary: AutoB2G is an automated building-grid co-simulation framework based on natural-language task descriptions.<n>It can effectively enable automated simulator implementations, coordinating B2G interactions to improve grid-side performance metrics.
• Score: 6.259798608712568
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The growing availability of building operational data motivates the use of reinforcement learning (RL), which can learn control policies directly from data and cope with the complexity and uncertainty of large-scale building clusters. However, most existing simulation environments prioritize building-side performance metrics and lack systematic evaluation of grid-level impacts, while their experimental workflows still rely heavily on manual configuration and substantial programming expertise. Therefore, this paper proposes AutoB2G, an automated building-grid co-simulation framework that completes the entire simulation workflow solely based on natural-language task descriptions. The framework extends CityLearn V2 to support Building-to-Grid (B2G) interaction and adopts the large language model (LLM)-based SOCIA (Simulation Orchestration for Computational Intelligence with Agents) framework to automatically generate, execute, and iteratively refine the simulator. As LLMs lack prior knowledge of the implementation context of simulation functions, a codebase covering simulation configurations and functional modules is constructed and organized as a directed acyclic graph (DAG) to explicitly represent module dependencies and execution order, guiding the LLM to retrieve a complete executable path. Experimental results demonstrate that AutoB2G can effectively enable automated simulator implementations, coordinating B2G interactions to improve grid-side performance metrics.

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