Rate Flex D: Potential for substantial savings

Rate Flex D is a dynamic rate that can save you quite a bit of money. Electricity is cheaper than the base rate in winter, except during peak demand events, when it’s more expensive.

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Video transcript Rate Flex D

Gradual rollout

To provide optimum support to customers, dynamic pricing is being rolled out gradually. Some

randomly selected customers received an email invitation to sign up. They were given the option of choosing one of the new offerings or sticking with their current rate.

For winter 2019–2020, the maximum number of customers who can sign up has been reached.

You can fill in a form to tell us you’re interested and we’ll let you know when you can sign up.

Show less about gradual rollout

How Rate Flex D works

Rate Flex D is different than the base rate (Rate D). This is how it works.

  • In winter,
    • Outside peak demand events, the price of electricity is below the base rate, so you can save money.
    • During peak demand events, electricity is billed at a high price (50¢/kWh). You’ll have to shift nonessential electricity use or limit it to reduce costs. The day before a peak demand event, you’ll receive a notification by email and, if you like, through our mobile app.
  • The rest of the year, Rate D (base rate) prices apply.


The risk depends on your energy use habits. Your bill could be higher at Rate Flex D than at the base rate if you don’t take the necessary steps during peak demand events when the price is higher. It’s important to use as little electricity as possible during those events, so you aren’t penalized.

Peak demand events

Peak demand events can take place Monday to Friday from December 1 to March 31, from 6 to 9 a.m. and from 4 to 8 p.m. There may be 25 to 33 events per winter, at most, for a maximum of 100 hours in all.

A customized tool to track your results

You can see the results of your efforts in the Consumption Profile in your Customer Space, which tells you the following:

  • Information about the current winter, updated daily (total savings or increase, number of hours in peak demand events already gone by, number of days of the winter period elapsed)
  • Your energy use during peak demand events and outside events
  • Upcoming events for which you have received a notification
  • History of previous winters

Have you received an email invitation?

Compare the various offerings in your Customer Space.

Estimate savings and sign up

Log into your Customer Space to find out how much you could save and to sign up for the Winter Credit Option or Rate Flex D.

Log in

More information

To find out more about Rate Flex D, see Section 9 of Chapter 2 of the Electricity Rates [PDF – 4.83 MB], approved by the Régie de l’énergie.