Residential Rates

Notice: Regulated Price Plan (RPP) and Ontario Electricity Rebate (OER)

Effective November 1, 2022, electricity rates change for Regulated Price Plan (RPP) customers. Most residential and small business customers are on the RPP. The winter TOU hours and tier thresholds are also in effect.

The Ontario Energy Board regulates the province’s energy sector and sets these rates.

The Ontario Government is also lowering the OER percentage effective November 1, 2022.

Business rate information can be found here.

Rates effective November 1, 2022


Time-of-Use Pricing (TOU) - winter periods effective November 1, 2022

Off-Peak (7 p.m. to 7 a.m.) Weekdays, all day Weekends and holidays7.4 ¢/kWh
Mid-Peak (11 a.m. to 5 p.m.) Weekdays10.2 ¢/kWh
On-Peak (7 a.m. to 11 a.m. and 5 p.m. to 7 p.m.) Weekdays15.1 ¢/kWh 

Electricity used on weekends and holidays is charged the off-peak price during both the Summer and Winter Periods.

For a list of holidays when off-peak prices are in effect, see our TOU Holiday Schedule


Tiered Pricing – winter thresholds effective November 1, 2022  

 Tier 1: Residential – first 1,000 kWh/month8.7 ¢/kWh
Tier 2: Residential – above 1,000 kWh/month10.3 ¢/kWh


Hydro Ottawa Variable and Other Charges - RPP1-$0.0017/kWh
Hydro Ottawa Variable and Other Charges - Non RPP-$0.0011/kWh
Hydro Ottawa Fixed Charges$30.52/month
Smart Meter Entity Charge$0.43/month
Low Voltage Services Charge$0.00005/kWh
Delivery Line Loss ChargeSee below for calculation2



Ontario Electricity Rebate


Other Charges

Learn about some of the additional rates and charges that may appear on your bill.

  1. The Ontario Energy Board (OEB) sets the residential and small business rates for electricity under Ontario’s Regulated Price Plan (RPP). RPP rates are based on an estimate of how much it will cost to supply RPP customers with the electricity that they are expected to use. The OEB monitors and will adjust future RPP rates to reflect the difference between actual cost and their estimated cost. The next RPP rate adjustment is scheduled to take place on November 1, 2023. The majority of Hydro Ottawa’s residential customers are billed under the RPP. 
  2. The Delivery Line Loss Charge is calculated by multiplying the Electricity Charge Consumption (per RPP Category) by the loss factor and then multiplying this number by the current month’s Electricity Charge under the RPP rate.
  3. For customers who do not purchase their electricity from an electricity retailer, a monthly administration fee of $0.25 is added to the regulatory charge to recover a portion of the cost of systems required for the market.
  4. The Ontario government’s Ontario Electricity Rebate (OER) provides eligible consumers an 11.7% rebate on their electricity bill. The OER is a pre-tax credit that appears as a separate line on your Hydro Ottawa bill.
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