Power BI does not natively support writing data back to Azure Data Lake, as it's primarily designed for data visualization and analysis rather than data export. However, there are several effective workarounds to push data from Power BI to Azure Data Lake for further processing or machine learning tasks. These methods rely on integrating Power BI with other services in the Microsoft ecosystem.
One common approach is to use Power BI Dataflows connected to Azure Data Lake Gen2. When configured properly, Power BI Dataflows can store data in CDM (Common Data Model) format directly in a Data Lake. This allows you to preprocess or reshape your data in Power BI and then access the raw or transformed outputs in Azure Data Lake. This is ideal for teams already using Power BI Premium and looking for tight integration with Azure analytics tools like Synapse or Databricks.
Alternatively, Power Automate can be used to automate data extraction from Power BI datasets or reports and write them to Azure Data Lake using APIs or connectors. You may also use Azure Synapse Pipelines, Logic Apps, or third-party tools (like ZappySys or Actian) to extract data from Power BI via the REST API, convert it into Parquet/CSV, and push it into the lake. For large-scale solutions, setting up a centralized ETL pipeline outside of Power BI is typically more scalable and secure.