Ontario Energy Board

Notice of Amendments to the Distribution System Code

Amendments made on August 2, 2023 come into effect on August 2, 2023:

  1. Section 8.3.1(a) is amended by inserting the following sentence at the end of the section: “For the purpose of this section, major transmission voltage assets include transformers; circuit breakers (where replacement includes the lesser of six breakers or more than 50% of station breakers); overhead lines (where replacement exceeds two kilometres and is over 50 kV); and underground cables (where replacement exceeds two kilometres and is over 50 kV)”.

(156-G129)

Notice of Amendments to the Transmission System Code

Amendments made on August 2, 2023 come into effect on August 2, 2023:

  1. References to the Ontario Power Authority and OPA have been changed to Independent Electricity System Operator and IESO, as appropriate, throughout the Code.
  2. Section 3C.2.2(d) is amended by inserting the following sentence at the end of the section: “For the purpose of this section, major transmission assets include transformers; circuit breakers (where replacement includes the lesser of six breakers or more than 50% of station breakers); overhead lines (where replacement exceeds two kilometres and is over 50 kV); and underground cables (where replacement exceeds two kilometres and is over 50 kV)”.

(156-G130)