---
title: IESO zonal map reference
type: source-ref
status: active
domain: sources
created: 2026-07-19
updated: 2026-07-19
owner: MirrorArc Example
source_url: https://www.ieso.ca/Power-Data/Supply-Overview/Transmission-Connected-Generation
source_format: html
license: reference-only
tags: [ieso, zones, metadata-only]
related: ["[[IESO reference-only boundary]]", "[[Ontario electricity glossary]]"]
---

# IESO zonal map reference

Metadata-only navigation node for transmission and zonal context. No map image or underlying data
is copied. A future licensed spatial dataset should receive its own dataset note, contract, and
provenance entry instead of inheriting assumptions from this URL.