Openstudio 2.9.1 | 2026 Update |

LEED submissions require consistency. Many Green Business Certification Inc. (GBCI) reviewers have accepted models built in OpenStudio 2.9.1 with EnergyPlus 9.3.0 without requesting re-simulation in a newer engine. The standard reporting measure LEED_Summary in 2.9.1 correctly generates the required tables for EA credit Optimize Energy Performance.

OpenStudio 2.9.1 stands as a testament to the platform's reliability. It provides a comprehensive suite for professional-grade energy analysis, offering the perfect balance of a user-friendly interface and the raw power of the EnergyPlus engine. Whether for legacy support or specific workflow requirements, it remains a vital tool in the energy modeler’s toolkit. 2 features that were introduced alongside this version? openstudio 2.9.1

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OpenStudio 2.9.1 is a minor patch release following version 2.9.0, primarily focused on bug fixes and stability improvements. It is paired with . While not introducing major new features, this version resolves critical issues related to scripting, HVAC component sizing, and graphical user interface (GUI) stability. It is recommended for users requiring a stable platform for production work with EnergyPlus 9.3.0, particularly those working with Python bindings or complex HVAC systems. LEED submissions require consistency

: Ensure the Command Line Interface (CLI) and EnergyPlus components are selected during installation. Verification : The standard reporting measure LEED_Summary in 2