Reference boundary

Toronto Hydro source-navigation only. It does not publish substation dimensions, working spaces, cabinet or conduit requirements, equipment arrangements, charges, or approval answers.

Reference table

Point to Toronto Hydro public Conditions of Service sources relevant to primary-metered customer-owned substations.

Reference basis uses Toronto Hydro Conditions of Service navigation, Reference 7 for 13.8 kV and 27.6 kV customer-owned substations, and the main document effective January 1, 2026.
Source areaCurrent sourceReview useBoundary
Conditions of ServiceToronto Hydro Conditions of Service pageUse this page to locate the current main Conditions of Service and reference documents.source-navigation only; no substation requirement, fee, or approval answer is reproduced
Reference 7Metering Requirements for 13.8 kV and 27.6 kV Customer-Owned SubstationsUse this primary-metered-substation source before engineering or utility review.source-navigation only; no substation requirement, dimension, equipment arrangement, or drawing content is reproduced
Main documentConditions of Service main document, effective January 1, 2026Use this governing source with Reference 7 before relying on any substation metering context.source-navigation only; no substation requirement, condition, charge, or acceptance decision is reproduced
Use notes
  • Use this table only for source-navigation and current source-area review.
  • Confirm the current source document, product marking, utility page, or authority guidance before any design or field decision.