Ontario Regulation 633/21
Ontario Regulation 633/21, made under section 25.35.8 of the Electricity Act, 1998, requires Ontario electricity and natural gas local distribution companies to make customer energy data available in the Green Button format — both Download My Data and Connect My Data. It is the only consumer energy data mandate in Canada and one of very few anywhere that compels adoption of an externally-authored standard rather than creating a data right of its own.
Regions
Industries
Each links to that industry as a scored cohort — so the question "how ready is this sector for the regime that governs it?" becomes one you can actually look at.
Implemented by these standards
A regulation is the law; a standard is the machine-readable contract that satisfies it. Almost every regime in this catalog restricts an interface rather than requiring one — where a standard exists, it is the part a provider can actually publish.