Proposed new rules covering connecting to the utility power grids in Arizona has been posted and a notice by the Hearing Division to hold oral proceedings to receive public comment on the Notice of Proposed Rulemaking on March 28. 2019. at 10:00 am. or as soon as practicable thereafter. in Room 722 at the Commissions offices in Tucson. Arizona and on March 29, 2019. at 10:00 a.m. or as soon as practicable thereafter, in Hearing Room No. I at the Commissions offices in Phoenix. Arizona.
A somewhat complex NOTICE can be downloaded at http://docket.images.azcc.gov/0000195373.pdf
UPDATE 1-24-19: ACC approved new draft interconnection rules At their Jan. 16 meeting, Commissioners preliminarily approved a set of rules that could help link renewables and batteries to the grid, making it easier for customers across the state to utilize.
There is a good description of these new rules and their significance at: https://tinyurl.com/ya24baws
See the 4-26-19 Staff Report for a good summary: https://docket.images.azcc.gov/0000197570.pdf