EV Charging Cost Calculator (Ontario)
Estimate the monthly cost to charge an electric vehicle at home. Enter your driving and electricity price assumptions to see a realistic range.
Updated 2026‑04‑22
Your driving
Common range: ~14–25 kWh/100km depending on vehicle, weather, and driving.
Electricity assumptions
Home charging often loses ~5–15% to heat/conversion.
Optional: include extra delivery/GA changes you notice in practice.
How to use this tool
- Use your typical monthly kilometres (or estimate from annual km ÷ 12).
- Try multiple electricity prices to represent your plan (off‑peak vs on‑peak vs overnight).
- Run a winter scenario by increasing kWh/100km if your EV uses more in cold weather.
Educational estimator only. Your actual bill depends on plan, time periods, and other bill components.
How EV charging affects an Ontario electricity bill
Charging an electric vehicle at home increases household electricity usage, but the total cost depends on more than just kilometres driven. Your vehicle’s efficiency, charging habits, and pricing plan all influence the final monthly cost.
Why time of charging matters
Ontario’s electricity pricing varies by time of day. Charging during off‑peak or ultra‑low overnight periods can significantly reduce your cost per kilometre.
What makes EV charging costs increase?
- More kilometres driven
- Lower vehicle efficiency
- Cold‑weather driving
- Charging losses
- Charging during expensive periods
How accurate is this EV charging calculator?
This tool is an educational estimator. Real bills include delivery charges, GA, regulatory charges, and HST, which vary by utility.