This document outlines the steps required to setup iModel data connector for Power BI
You’ll need Power BI Desktop (free BI tool)
https://powerbi.microsoft.com/en-us/downloads/
Download connector file from below
communities.bentley.com/.../IModelDataConnector.mez
Copy the downloaded .mez file to %USERPROFILE%\Documents\Power BI Desktop\Custom Connectors
Open PowerBI
Navigate to File -> Options and Settings -> Options -> Security -> Data Extensions and "Allow at extension without validation or warning". This is necessary to allow the external connector.
Click on "Get Data"
Search for "Design Insights" in the top left corner.
Select Design Insights Connector
Fill in required input parameters
For help on EC SQL Query, you can see training document here - https://www.itwinjs.org/learning/ecsql/
Click on OK once the fields are filled up
Click on sign in as different user if you are not signed in
Upon sign in, click on Connect button
Once the connection is made, you’ll be able to see preview of the response data, you can either load the data as is or Transform it further