Eligibility for Rate G

Rate G applies to contracts with no billing demand or with a minimum billing demand of less than 65 kilowatts (kW).

In general, Rate G is advantageous for customers whose power demand does not exceed 50 kW. This is the case for approximately 90% of Hydro‑Québec business customers.

This information has been simplified. For more details about Rate G, consult Section 1 of Chapter 3 of the Electricity Rates [PDF 4.83 MB], approved by the Régie de l’énergie.

Structure of Rate G

Billing for Rate G includes the following:

  • A system access charge, which corresponds to an amount you pay for each period in question, even if you consume little or no energy. It is established on a monthly basis, but the amount billed varies slightly from one consumption period to the next based on the number of days in the period.
  • An amount for the energy in kilowatthours (kWh) consumed during the period in question. Two different prices apply depending on the amount of energy consumed:
    • A price for the first 15,090 kWh
    • A lower price for the remaining consumption
  • An amount for the billing demand in kilowatts (kW), if the power demand exceeds 50 kilowatts (kW).

Rate G is a monthly rate, which means the system access charge, the first-tier consumption limit, the amount billed as demand, and the minimum charge are based on a 30‑day period.

In general, the consumption period is about 2 months if there is no charge, or about 1 month if there is a charge for billing demand.

See the Helping you understand your electricity rate page

Rate G prices in effect

  • System access charge for a 30‑day period, adjusted to the exact number of days in the consumption period in question $12.33
  • Price of energy
    • First 15,090 kilowatthours (kWh) 9.90¢/kWh
    • Remaining consumption 7.62¢/kWh
  • Price of power
    • First 50 kilowatts (kW) not billed
    • Power exceeding 50 kW $17.64/kW

If little or no electricity is used, a minimum charge is billed. It is $12.33 per month (30 days) when single-phase electricity is delivered or $36.99 per month when three-phase electricity is delivered.

Rates in effect as of April 1, 2019. This table does not replace the Electricity Rates document in any way whatsoever.

How to read your Rate G bill

Switch to another rate

Automatic switch

Hydro‑Québec will automatically switch you to Rate M or Rate G9 if, given the rates in effect on April 1 of each year, applying the more advantageous of these rates would yield savings of at least 3% on your electricity bill in comparison to Rate G.

When your minimum billing demand reaches 65 kilowatts (kW), your contract is no longer eligible for Rate G. It automatically switches to Rate M or, if your load factor is less than 30%, to Rate G9.

Request a switch

If you’ve been billed for power (power demand of 50 kW or more) at least once over the past 12 monthly periods, Rate M may be more advantageous for you.

If the load factor on your bill is usually below 30%, and your power demand is above 65 kW (a billing demand of 15 kW shows up in your consumption history) at least once during the past 12 monthly periods, Rate G9 may be more advantageous for you.

If you think one of the situations above may apply to you, contact our Business customer services at 1 800 463‑9900.

Planning any changes?

If you’re planning to buy new equipment, extend your business hours or enlarge or renovate your facility, your use of electricity could increase and it could then be to your advantage to switch to Rate M or G9. Don’t hesitate to contact our Business customer services at 1 800 463‑9900 for more information.

Additional rate offerings

If you have a Rate G contract, the Winter Credit Option or Rate Flex G may be of interest to you.

You could also sign up for the Net Metering Option if you have your own electricity-generating equipment.


Total amount of electricity supplied at a given time. Expressed in kilowatts (kW), power is the combined effect of voltage, expressed in kilovolts (kV), and current, expressed in amperes (A).

Minimum billing demand (minimum demand)

The minimum amount of power that the customer must pay for each consumption period, regardless of electricity use. The threshold is set so that you pay your share of the costs Hydro-Québec incurs to meet your power needs at all times. The minimum billing demand is determined by the conditions of each rate, as indicated in the Electricity Rates.

  • For all rates except Rate L, the minimum billing demand is automatically determined based on the previous winter’s maximum power demand.
  • Rate L customers must set their own minimum billing demand, called “contract power,” based on the amount of electricity they expect to use.

Power demand

Power a customer requires to meet energy needs at a given time. The higher the customer’s energy consumption at a given time, the higher the power demand.

System access charge

A set amount, expressed in dollars per month or cents per day depending on the rate, to be paid monthly the electricity service itself.

The expression “fixed charge” has been replaced by “system access charge” as of April, 2019.


Power used by electrical equipment over a given period of time. Expressed in kilowatthours (kWh), energy is calculated as power, expressed in kilowatts (kW), multiplied by the time during which the power is used, expressed in hours (h).

Load factor (LF)

Relationship between the energy (in kilowatthours) actually consumed and the amount of energy that can be consumed by using the entire maximum power demand throughout the consumption period. The load factor indicates the utilization rate of maximum power demand for a given consumption period.

Monthly period

Period of 30 days, which may begin on any day of the month, established by Hydro-Québec for billing purposes.

Minimum charge (minimum monthly bill)

Minimum amount billable for electricity service even if little or no electricity has been used in the billing period.