A unifying approach for the Smart Building in the Smart City: the aim of the SBA association (Smart Buildings Alliance for Smart Cities) is to organise the promotion of the Smart Buildings sector within Smart Cities bringing together a group of industry players.
the International Centre for AI and Climate Change will advise governments on best practice regulation and facilitate the application of AI technology to energy and climate challenges.
European Energy Flexibility Platform and Interface (EF-PI) - link docs not really a standard, more a consortium of private companies trying to adopt a common toolset.