The OEB has released updated Filing Requirements (Chapters 1 and 2), along with a new guidance document that introduces an optional Custom IR framework for transmitters with a declining rate base. These updates aim to enhance regulatory clarity, reduce administrative burden, and better reflect sector developments.

The OEB has posted Price Comparison templates for Natural Gas Contracts for Utilities Kingston valid from November 1, 2025 - January 31, 2026.

The OEB has issued a letter which sets out the Cost of Capital Parameter Updates for cost-based rates applications that have an effective date commencing in 2026.