For a more comprehensive list, check out the Power BI Learning Path.

• Videos
  • Getting Started With Power BI by Stacia Misner Varga
  • Microsoft Virtual Academy
  • PASS BI Virtual Chapter
  • PowerBI on Youtube
  • PowerBI Webinars
  • PowerPivotPro
  • Pragmatic Works
• Blogs
  • Chris Webb’s Bi Blog
  • DataVeld By David Eldersveld
  • ExcelGuru by Ken Puls
  • Microsoft Power BI Blog
  • PowerPivotPro By Rob Collie Et Al.
  • Prologika by Teo Lachev
  • SQL Chick by Melissa Coates
  • Sql with Dusty Ryan
  • SQLBI By Alberto Ferrari and Marco Russo
• Books
  • Applied Power BI By Teo Lachev
  • Introducing Microsoft Power BI by Alberto Ferrari and Marco Russo
  • Power Pivot and Power BI By Rob Collie and Avi Singh
• Courses
  • Analyzing and Visualizing Data with Power BI By EDx and Microsoft
• Articles
  • Power BI Documentation
  • Power BI Security Whitepaper