Electricity · Article
Time-of-use electricity explained
Most Ontario residential customers can choose between rate plans. The right plan depends on when your household uses electricity — and that changes when you add a heat pump, EV or battery.
- Free in-home assessment
- Phased plan that fits your budget
- Rebate & incentive guidance
- Ontario & Nova Scotia

01
The plan types
Time-of-use (TOU)
Different prices for off-peak, mid-peak and on-peak periods.
Ultra-low overnight (ULO)
A very low overnight price, with a higher on-peak price during part of the day.
Tiered
A lower price up to a monthly threshold and a higher price above it, regardless of time.
02
How new equipment changes the picture
03
Checking current prices
Rates and periods are set by the Ontario Energy Board and change periodically. Check the current published rates and your utility's plan-switching rules. We use current published rates when modelling your home.
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Rebates & financing
Available rebates & financing
Federal, provincial and municipal programs may help with heat pumps, solar, batteries and efficiency upgrades. Eligibility and amounts depend on each program — see current details and official sources.
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