Power BI integrates seamlessly with data warehouses like Snowflake, Google BigQuery, or Azure Synapse Analytics. Power BI development services establish connections using DirectQuery or Import modes for real-time or scheduled data updates. ETL tools such as Azure Data Factory transform data before it enters Power BI. This integration ensures that large datasets stored in data warehouses are efficiently queried and visualized. By providing a scalable reporting framework, Power BI enables businesses to analyze trends, monitor KPIs, and derive insights from vast amounts of data without overloading their systems or resources.