Understanding business intelligence (BI) is essential for Power BI consultant, as it helps you interpret data in a business context. BI involves gathering, analyzing, and transforming data into actionable insights, which is at the core of Power BI consulting. A strong BI foundation allows consultants to design effective dashboards, optimize data models, and make informed recommendations that align with business goals. This knowledge helps bridge the gap between technical skills and business needs, making you a more effective consultant.