The OEB has released updated Filing Requirements for 2027 electricity distribution rate applications (Chapters 1, 2, and 5), and transmission leave-to-construct (LTC) applications (Chapter 4), as well as an updated transmission LTC leave-to-construct issues list. The electricity distribution rates Filing Requirements reflect updates to small distributor process eligibility, retail transmission service rates, vulnerability assessments and system hardening and new expectations for multiple demand scenario analysis required by the Integrated Energy Plan. Both distribution rates and transmission LTC filing requirement updates reflect expectations regarding the OEB’s new objective of regulating the electricity sector in a manner that supports economic growth, consistent with the policies of the Government of Ontario.