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Run a template

Run a template

This walkthrough runs a ready-made simulation end-to-end — no diagram editing required. We’ll use the built-in NLR DSSE IEEE 123 template (a state-estimation study on the IEEE 123-bus feeder).

1. Open Saved Templates

From the home page, choose View Saved Templates, or go to http://localhost:5173/configs. Find the template you want to run.

The saved templates page with a Run button on each template card.

Each template card has a Run button.

2. Click Run

Press ▶ Run. The app converts the template into an OEDI-SI wiring diagram, builds the HELICS runner, launches the simulation, and takes you to the run detail page.

3. Watch it run

The run detail page shows the status moving from running to done, the exit code, and the logs for each federate (feeder, sensors, estimator, recorders). Expand a log to see what a component did.

The run detail page showing a Done status, exit code 0, and per-federate logs.

Monitoring a run. When it finishes, Results and Notebook appear.

4. View the results

Click Results. Choose a recorder dataset and scrub the time index to see how the quantity evolves. To validate an estimator, use Compare with to overlay the estimated values against the recorded true values.

A plot of voltage magnitudes across buses with a dataset selector and time-index slider.

Voltage magnitudes recorded across the feeder.

5. (Optional) Analyze in a notebook

Click Notebook to open the run’s analysis notebook — editable JupyterLab when running locally, or read-only Voilà in cloud/server deployments — or reproduce the analysis right here in the docs with the executable results notebook.

What just happened?

Behind the button click, the backend converted your template to a WiringDiagram, called OEDI-SI’s generate_runner_config() to produce a system_runner.json, and ran it with helics run. The overview explains this pipeline, and the Advanced track shows how to drive it yourself from the CLI.