What is LEED v4.1? Learn about LEED v4.1 certification, LEED v4.1 BD+C Beta, LEED v4.1 ID+C Beta, and LEED v4.1 O+M Beta. Learn how USGBC has updated performance requirements, new LEED v4.1 credits, and calls for proposals. The new LEED 4.1 Exam will not be available until summer of 2020. GreenCE offers the only free LEED exam prep in the country and free LEED specific hours, free GBCI courses, free AIA courses, and free IDCEC courses.