Topics will include positive implications for all distributed generation systems, particularly solar PV, energy storage and microgrids. In-Depth Overview of IEEE P1547 Revision Requirements - Part 1 - Recap of previous session - Review of Reference point of applicability, newly-introduced performance categories and their assignment to specific DER by an Authority Governing Interconnection Requirements (AGIR); - New requirements for voltage and reactive power control, frequency control, response to abnormal conditions including ride-through; ranges of adjustability for control settings as well as for voltage and frequency trip settings