Category: 📜 Rules, Policies & Processes
Complexity Level: ●●○○○ (Level 2 - Concept Overview)
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Long-term energy planning is the process of deciding what electricity resources and infrastructure Ontario will need in the future.
Because major electricity projects take years to develop, planners must forecast future electricity demand and prepare for changes such as:
⚡ Ontario plans electricity needs years in advance to keep the system reliable and affordable.
Planning decisions today shape future generation mix, transmission projects, and customer costs.
Long-Term Energy Planning
A structured process used to assess future electricity needs and determine what resources, infrastructure, and policies are required over multi-year time horizons.
At a high level, long-term planning usually includes:
In Ontario, this work involves organizations such as the Independent Electricity System Operator (IESO) and the Ministry of Energy.
Forecasts often describe demand and capacity using MW (Megawatt).
Suppose forecasts show strong growth in electricity demand over the next decade.
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Ontario Energy Board
This topic explains how Ontario's regulator oversees electricity rates, utility performance, and consumer protection.
Last Updated: 2026-03-26