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The OEB has issued a letter setting out the requirements for licensed distributors to provide standardized available distributed energy resource (DER) hosting capacity data for inclusion in the Centralized Capacity Information Map (CCIM). The CCIM with both DER hosting and load customer capacity...

On September 16, 2025, the Distribution System Code (DSC) amendments establishing a Capacity Allocation Model (CAM) to facilitate electricity system expansions in support of housing development came into force. In response to stakeholder feedback received during the consultation process, the OEB has...

The OEB is sharing template opt-in forms, a record-keeping template and communication materials to support electricity distributors implementing the Electric Vehicle (EV) Charging Rate, which aims to support the efficient integration of EVs in Ontario.

The OEB has published the 2025 Quarter 4 prescribed accounting interest rates applicable to the carrying charges of deferral, variance and construction work in progress (CWIP) accounts of natural gas utilities, electricity distributors and other rate-regulated entities.

The OEB has updated its Open Data files with 2024 Reporting and Record-keeping Requirement ( RRR) data, including updates to the newer electricity transmitter data that was added last year. Data integrity and consistency have been improved across all categories, covering both 2024 and earlier years...

The Government of Ontario, on the recommendation of the Honourable Stephen Lecce, Minister of Energy and Mines, has appointed Geoff Owen as Chair of the OEB’s Board of Directors. Mr. Owen joined the Board in 2021 and served as Vice Chair since 2024 and Acting Chair since April 2025. Mr. Owen assumes...

The OEB is initiating a review of regional and bulk electricity system planning processes that are more efficient, flexible and responsive to better match the demand needs of Ontario. To support this review, an Advisory Group is being established to explore opportunities to enhance the planning...

The OEB has released its Innovation Sandbox Annual Report, reflecting major developments from last year, including progress on the Innovation Sandbox Challenge, updates to the Innovation Handbook and further insights gleaned from the OEB’s Joint Targeted Call with the Independent Electricity System...

The Ontario Energy Board (OEB) is pleased to publish our 2025-2028 Business Plan, which sets out how the OEB will enable affordable, secure, reliable and clean energy for the people and businesses of Ontario.

The Market Surveillance Panel has submitted to the OEB a report explaining how it will continue to monitor Ontario’s wholesale electricity markets following the implementation of the Market Renewal Program.

The OEB has posted materials for those interested in applying to its Innovation Sandbox Challenge: Empowering Indigenous Innovation and Leadership. The window for submissions runs from Sept. 2, 2025, until Oct .17, 2025.

The OEB has issued version 3.0 of the Ontario Cyber Security Standard which requires licensed electricity distributors and transmitters to report cyber security incidents to the Independent Electricity System Operator starting September 22, 2025.

The OEB has posted Price Comparison templates for Natural Gas Contracts for Kitchener Utilities valid from July 1, 2025.

The OEB has released an updated variance settlement factor that is to be used by electricity distributors to calculate a one-time credit or charge for consumers who choose to stop purchasing electricity through the Regulated Price Plan. This factor is called the "Final RPP Variance Settlement Factor...

The OEB has posted the electricity distributors' 2025 stretch factor assignments for the 2026 Incentive Rate Mechanism (IRM) rate-setting process. The benchmarking details and assignments are published in the Pacific Economics Group (PEG) "Empirical Research in Support of Incentive Rate-Setting...

The OEB has issued a Final Notice of Amendment to the Distribution System Code to clarify that the 40-year revenue horizon applies only to residential customers by removing clause (b)iii from Appendix B. This amendment comes into force immediately.

The OEB will hold a webinar on Aug. 28, 2025, to provide more information about its Innovation Sandbox Challenge: Empowering Indigenous Innovation and Leadership.

The OEB and IESO have released a joint study to further understand how compensation mechanisms for distributed energy resources can work together to enable better design and alignment moving forward. An engagement session will be held on Aug. 22, 2025, to discuss the study further.

The OEB is launching a comprehensive review of electricity transmitter processes and requirements for connecting load customers in response to the Minister of Energy and Mines’ Integrated Energy Plan Directive. This review will assess the reasonableness of current timelines, identify opportunities...

The OEB has released the final drafts of the Vulnerability Assessment and System Hardening (VASH) Report and Toolkit for stakeholder feedback. These resources help distributors assess system vulnerabilities to extreme weather and evaluate hardening options. Comments are due by August 29, 2025...

The OEB has announced the membership of the newly established Distribution Customer Connections Working Group. The accompanying letter also addresses matters related to cost award eligibility.

The OEB is amending its Reporting and Recordkeeping Requirements for electricity distributors as part of its Reliability and Power Quality Review initiative. These changes aim to provide greater insight into distributor performance during severe weather events and improve visibility into customer...