Regulated standard
Green Button is part of Ontario’s energy plan, implemented consistently across participating utilities under O. Reg. 633/21.
Ontario’s Green Button: access your energy data
A regulated initiative for Ontario utilities, account holders and third parties to share energy data in the Green Button standard, with the guidance and tools to put it to work.
⚡ O. Reg. 633/21 makes Green Button a regulated requirement across Ontario utilities.
Live in Ontario utilities since Nov 1, 2024
Utilities in scope50+Ontario electricity and natural gas utilities
O. Reg.633/21Makes Green Button a regulated requirement
NAESB ESPIv3.3The standard behind Green Button data
Working group since2022OEB Industry-Led Working Group collaboration
Understanding Green Button
Your key to Ontario utility data
Ontario Utility Green Button solutions are a regulated requirement under O. Reg. 633/21. More than fifty electricity and natural gas utilities are in scope, alongside water utilities that participate voluntarily.
Green Button gives account holders a simple, secure way to access their own energy information and to authorize trusted third parties to receive it, in one consistent standard across every participating utility.
How Green Button works
Follow your energy data
There are two ways to use Green Button. Pick one to see who is involved at each step.
Account holders authorize a third-party application to receive their data on their behalf.
Step 1 of 4: Third-party setup. The third party registers, gets pilot access and integrates its application.
What is Green Button Ontario
An industry-led home for Ontario’s energy data
Green Button Ontario supports the OEB Industry-Led Working Group, an open forum where distributors and stakeholders have collaborated since 2022, contributing thousands of volunteer hours to make Green Button work consistently across the province.
Customer-driven access
Account holders decide who can access their data, and can authorize or revoke third-party access at any time.
Built by the industry
Distributors, vendors and stakeholders shape the best practices through the OEB Industry-Led Working Group.
The connector
Meet EZGB, the Easy Green Button Connector
EZGB is a software service that helps third parties and their customers meet Ontario’s Green Button data collection and management needs, built to exceed the regulatory requirements for organizations of every size.
- 1Third-party setupRegistration, pilot access and app integration.
- 2Utility approvalTested and validated go-live approval.
- 3Customer authorizationThe account holder chooses who gets their data.
- 4Data accessDashboard or API, in Green Button and other formats.
Solutions
How we help you succeed with Green Button
We work with you to understand and identify how digitization and standardization can help.
We look at the strengths of digitization to meet the goals you have.
We help you gain knowledge in this new market setting to maximize its benefits for all.
We look to simplify energy data management for Ontario to promote innovation.
AI assistant
Questions about Green Button? Ask in plain language.
The Green Button assistant answers from this site’s FAQs, best practices and EZGB pages, and links you to the page it used.
AI answers can be wrong. For anything regulatory, the Ontario Energy Board is the official source.
Latest news
From the Green Button timeline
August 8, 2024
Screaming Power and The Carbon Zero Institute of Trinidad and Tobago (CZITT) Forge Strategic Partnership for UEnergyHub Caribbean
CZITT and Screaming Power partner to establish UEnergyHub Caribbean, a collaborative energy data and research hub supporting regional resilience and the transition to cleaner energy.
Read more →May 14, 2024University of New Brunswick Pioneers Utility Data Research to Assess Impacts of Inconsistent Energy Data on Carbon Commitments
The University of New Brunswick becomes the first Canadian university to study large volumes of Ontario utility billing and metering data, assessing whether Green Button data is reliable enough to support carbon commitments.
Read more →April 18, 2024Leveraging Digital Data from Ontario Energy Utilities
A use case showing how financial and insurance institutions can use digitized Ontario utility energy data, made available under O. Reg. 633/21, for risk assessment, climate reporting, and sustainability.
Read more →Ready to engage with Ontario’s Green Button?
Whether you are a utility, a third party or a building operator, our team can help you understand your obligations and options. Let’s have a conversation.