Electricity Calculator Ontario
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Reviewed by Calculator Editorial Team
This electricity calculator helps you estimate your monthly electricity bill in Ontario. Enter your monthly kWh usage and select your electricity plan to get an accurate estimate of your costs.
How to Use This Calculator
To calculate your estimated electricity bill in Ontario:
- Enter your monthly electricity usage in kilowatt-hours (kWh)
- Select your electricity plan type (On-Peak, Mid-Peak, Off-Peak, or Time-of-Use)
- Click "Calculate" to see your estimated monthly cost
- Review the breakdown of your costs and compare different scenarios
The calculator uses Ontario Hydro's current rates and applies them to your usage. For more accurate results, you may want to check with your specific electricity provider.
Formula Used
The electricity cost is calculated using the following formula:
Where:
- Monthly kWh is your total electricity usage for the month
- Rate per kWh is the cost per kilowatt-hour for your selected plan
Note: This calculator uses estimated rates. Actual costs may vary based on your specific electricity provider and any additional fees or charges.
Worked Example
Let's calculate the cost for a household using 500 kWh on the On-Peak plan:
This example shows that a household using 500 kWh on the On-Peak plan would pay approximately $66 per month.
Ontario Electricity Rates
Ontario Hydro offers several electricity plans with different rates:
| Plan Type | Rate per kWh | Typical Usage |
|---|---|---|
| On-Peak | $0.132 | Daytime hours (typically 12 PM - 6 PM) |
| Mid-Peak | $0.095 | Evening hours (typically 6 PM - 10 PM) |
| Off-Peak | $0.065 | Nighttime hours (typically 10 PM - 12 PM) |
| Time-of-Use | Varies by season | All hours, with different rates for different times |
These rates are approximate and may change. For exact rates, check with your electricity provider or visit the Ontario Energy Consumer Protection website.
Frequently Asked Questions
- How accurate is this electricity calculator?
- The calculator provides an estimate based on Ontario Hydro's published rates. For precise billing, check with your electricity provider as additional fees and taxes may apply.
- Does this calculator work for all Ontario electricity providers?
- Yes, the calculator uses standard Ontario Hydro rates. Some providers may have slightly different rates, but this calculator provides a good estimate for most residential customers.
- How do I find my monthly kWh usage?
- Your electricity bill typically includes your monthly kWh usage. If you don't have your bill, you can estimate your usage based on appliance wattage and daily usage patterns.
- Are there any hidden fees not included in this calculation?
- This calculator shows the base electricity cost. Additional fees such as delivery charges, taxes, and administrative fees may apply. Check your bill for a complete breakdown.
- How often do electricity rates change?
- Electricity rates can change annually. This calculator uses the most recent published rates, but you should verify current rates with your provider before making budgeting decisions.