Residential Rates

Business rate information can be found here.

 

Rates effective January 1, 2023

 

Electricity1

 

Time-of-Use Pricing (TOU) - Effective November 1, 2022

 

TOU Price PeriodsWinter (Nov. 1 to April 30)Summer (May 1 - Oct. 31)TOU Prices

Off-Peak

Weekdays 7 p.m. to 7 a.m.
Weekends and holidays all day

Weekdays 7 p.m. to 7 a.m.
Weekends and holidays all day

7.4 ¢/kWh

Mid-Peak

Weekdays 11 a.m. to 5 p.m.

Weekdays 7 a.m. to 11 a.m. and 5 p.m. to 7 p.m.

10.2 ¢/kWh

On-Peak

Weekdays 7 a.m. to 11 a.m. and 5 p.m. to 7 p.m.

Weekdays 11 a.m. to 5 p.m.

15.1 ¢/kWh

 

Ultra-Low Overnight Pricing (ULO) - Effective May 1, 2023

NOTE: ULO rates provided for information purposes only - ULO rate plan available to Hydro Ottawa customers by November 1, 2023.

ULO price periods All year ULO Prices

Ultra-low overnight

Everyday 11 p.m. to 7 a.m.

2.4 ¢/kWh

Weekend off-peak

Weekends and holidays 7 a.m. to 11 p.m.

7.4 ¢/kWh

Mid-peak

Weekdays 7 a.m. to 4 p.m. and 9 p.m. to 11 p.m.

10.2 ¢/kWh

On-peak

Weekdays 4 p.m. to 9 p.m.

24 ¢/kWh

 

Weekends and Holidays 

No matter which season, on weekends and holidays the cheapest rates are in effect all day. View the Holiday Schedule for Time-of-Use and Ultra-Low Overnight.

This means:

  • For TOU - Off-Peak
  • For ULO - Weekend Off-Peak and Ultra-Low Overnight

Note: If a holiday falls on a weekend, the next weekday (that is not also a holiday) will have the holiday prices in effect all day.

 

Tiered Pricing - Effective November 1, 2022

Tier ThresholdsWinter (Nov. 1 to April 30)Summer (May 1 to Oct. 31)Tiered Prices

Tier 1

Residential – first 1,000 kWh/month

Small business – first 750 kWh/month

Residential – first 600 kWh/month

Small business – first 750 kWh/month

8.7 ¢/kWh

Tier 2

Residential – for electricity used above 1,000 kWh/month

Small business – for electricity used above 750 kWh/month

Residential – for electricity used above 600 kWh/month

Small business – for electricity used above 750 kWh/month

10.3 ¢/kWh

Delivery

 
Transmission$0.0161/kWh
Hydro Ottawa Other Charges - RPP1$0.0007/kWh
Hydro Ottawa Other Charges - Non RPP-$0.0022/kWh
Hydro Ottawa Fixed Charges$32.39/month
Smart Meter Entity Charge$0.42/month
Low Voltage Services Charge$0.00005/kWh
Delivery Line Loss ChargeSee below for calculation2

Regulatory

$0.0052/kWh3

Ontario Electricity Rebate

11.7%4

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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