Quick answer
It depends mostly on when you charge. A 15 kWh charge costs about 59¢ at Ontario's Ultra-Low Overnight price, about $1.47 at time-of-use off-peak, and about $5.87 during Ultra-Low Overnight's weekday on-peak window, before delivery charges and rebates.1
Worked example: a 15 kWh charge
| When you charge | Price | Cost |
|---|---|---|
| Ultra-Low Overnight, 11 p.m.–7 a.m. | 3.9¢/kWh | $0.59 |
| Time-of-use off-peak | 9.8¢/kWh | $1.47 |
| Tiered, Tier 1 | 12.0¢/kWh | $1.80 |
| Time-of-use on-peak | 20.3¢/kWh | $3.05 |
| Ultra-Low Overnight on-peak, weekdays 4–9 p.m. | 39.1¢/kWh | $5.87 |
Prices as listed by the Ontario Energy Board for rates effective November 1, 2025. Costs are the commodity price only; delivery, regulatory charges and HST are extra, and the Ontario Electricity Rebate reduces the total.1
How to keep charging cheap
- Use your EV's or charger's schedule to start after 11 p.m.
- Consider the Ultra-Low Overnight plan if most charging can happen overnight.1
- Avoid weekday 4–9 p.m. charging on Ultra-Low Overnight.
Level 2 at home
A Level 2 charger charges much faster than a standard outlet, which makes it easier to fit a full charge into overnight hours. We check your electrical panel's capacity before installing one.
Common follow-up questions
Is Level 1 charging cheaper per kWh?
The electricity price is the same; what changes is how long charging takes, which affects whether it fits in low-price hours.
Do I need a separate meter for EV charging?
Home EV charging normally runs through your existing meter and price plan.
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Answers are general information as reported by the sources listed on the date shown, not personal financial or technical advice. Programs, prices and rules change. Canadian Energy Standard is an independent company, not affiliated with any government, utility or program named here.