ASHRAE, Dec. 14, 2016, by Jodi Scott.
https://www.ashrae.org/news/2016/smart-grid-standard-adopted-by-international-organization-for-standardization

"A smart grid standard published earlier this year by ASHRAE and the National Electrical Manufacturers Association (NEMA) has been approved as an International Organization for Standardization (ISO) standard. ANSI/ASHRAE/NEMA Standard 201-2016, Facility Smart Grid Information Model (FSGIM), provides a common basis for electrical energy consumers to describe, manage and communicate about electrical energy consumptions and forecasts."