You must submit your request to Hydro‑Québec, indicating your proposed interruptible power, before October 1.
Your interruptible power must be at least 3,000 kW, or 20% of the maximum contract power of the previous 12 consumption periods.
Conditions of application
|Conditions||Option I||Option II|
|Advance notice – Weekdays||2 hours||2 hours|
|Advance notice – Weekends||15:30 the preceding day||15:30 the preceding day|
|Maximum number of interruptions per day||2||1|
|Minimum interval between 2 interruptions in the same day||4 hours||16 hours|
|Maximum number of interruptions per winter period||20||10|
|Duration of an interruption||4-5 hours||4-5 hours|
|Maximum duration of interruptions per winter period||100 hours||50 hours|
- $13.00 per kilowatt of effective interruptible power.
- 20.00¢ per kilowatthour of effective hourly interruptible power for each of the first 20 interruption hours;
- 25.00¢ per kilowatthour of effective hourly interruptible power for each hour between the 21st and the 40th interruption hours inclusive; and
- 30.00¢ per kilowatthour of effective hourly interruptible power for each of the 60 subsequent interruption hours.
- $6.50 per kilowatt of effective interruptible power.
- 20.00¢ per kilowatthour of effective hourly interruptible power for each interruption hour.
For more information
If you have any questions about these rate options, contact your commercial officer or designated agent. You can also reach our Business customer services at 1 800 463‑9900 or by e-mail at firstname.lastname@example.org.
These explanations have been simplified. For more details about the interruptible electricity option for large‑power customers, consult sections 2,4 and 5 of chapter 6 of the Electricity Rates [PDF 4.54 Mb], approved by the Régie de l’énergie.
Period from December 1 through March 31 of the next year, inclusive.
Effective interruptible power
An estimate, expressed in kilowatts, of the interruptible power that is on average curtailed by the customer at Hydro-Québec’s request.
Effective hourly interruptible power
For each interruption hour, the difference between:
- the product of the maximum power and the contribution coefficient for the consumption period in question; and
- the average hourly power.
Minimum demand that a large-power industrial rate customer (Rate L) agrees to pay and that Hydro-Québec must be ready to supply at any time in response to the customer’s demand.