OpenDSS Viewer 2.2

OpenDSS Viewer is a lightweight tool for exploring and presenting distribution network models created with the Open Distribution System Simulator (OpenDSS). It converts DSS files and simulation outputs into clear, interactive single-line diagrams, helping you quickly understand topology, equipment status, and electrical performance.

• Load OpenDSS circuits and explore feeders, buses, lines, transformers, and capacitors
• View color-coded overlays for voltage, loading, losses, and power flow direction
• Inspect object properties and results directly from the diagram
• Step through time series to compare operating scenarios and events
• Filter, search, and highlight to focus on areas of interest
• Export visuals and data summaries for reports and collaboration

OpenDSS Viewer fits seamlessly into existing OpenDSS workflows: run your studies with your preferred tools, then open the results for fast, reliable visualization.

OpenDSS Viewer is developed by Electric Power Research Institute. The most popular version of this product among our users is 2.2. The name of the program executable file is OpenDSS_Viewer.exe.