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Gross Load Billing (GLB), like a Standby Administration charge, is the mechanism Hydro One uses to recover the cost of providing reserved capacity to customers and to eliminate cross- subsidization by other customers. GLB means that some components of your Hydro One invoice will be billed “gross” of generation, not “net” of generation. For up-to-date information on the application of GLB, please refer to section 2.4.5 of our
Conditions of Service, or our current
distribution rate order.
GLB applies to Sub-Transmission customers with Load Displacement Generation facilities and to Local Distribution Companies (LDCs) with embedded generation. It also includes Energy Storage facilities.
The required approval for the generation facility was obtained after October 30, 1998
The GLB will be applicable to the generation facility if any single generating unit at the facility exceeds the threshold listed below, regardless of cumulative size of the generation facility:
equal to or greater than 1 MW with non-renewable generation
equal to or greater than 2 MW for renewable generation (wind, solar, biomass, bio-oil, bio-gas, landfill gas, or water).
Delivery (all based on the overall peak demand for a billing period):
Common ST Lines
Transmission Line Connection Service Rate
Transmission Transformation Connection Service Rate/HVDS High Facility Charge
Volumetric Rate Riders
Example: 500 kW + 2,000 kW generation = 2,500 kW billed peak demand
Transmission Network Service Charge (based on the peak reached on business days from 7 a.m. to 7 p.m. – local time)
Example: 500 kW (2,000 kW generation netted out) = 500 kW billed demand for Transmission Network Service Charge
Commodity & Regulatory Charges
Net consumption (kWh)
Example: Total consumption(1,800,000 kWh) minus total generation (1,440,000 kWh) = 36,000 billable kWh
Additional Meter Charge:
Additional metering is required to measure the generation to calculate the gross load bill.
Where possible, this metering should be Hydro One owned and maintained.
If a separate Meter Service Provider is used, there will not be an additional meter charge applied by Hydro One.
Class A qualification is assessed on average peak Demand kW net of generation. This may result in not meeting Class A qualification or it may not be the optimal billing method net of generation.
If you have any questions, or would like to review settlement impacts with further details around generation vs. load profile, please contact us at:
Hydro One Business Customer Centre
1-866-922-2466 (Monday to Friday, from 8:30 a.m. to 5 p.m.)