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Electricity meters are installed by Toronto Hydro-Electric System to measure electrical usage. Electricity use is measured in kiloWatt-hours (kWh). One kWh is the amount of electricity 10 100-Watt bulbs will use in one hour.

Meter Performance

All electricity meters used by Toronto Hydro bear a seal from the Legal Metrology Branch of Industry Canada (Measurement Canada). The seal indicates that your meter, or a meter manufactured in the same group, has been tested for performance, reliability and accuracy before installation.

Hydro Owned

Your electricity meter is owned, installed and maintained by Toronto Hydro-Electric System. It is an offence to tamper with an electricity meter.

  

Meter Checks

Toronto Hydro technicians have extensive training in the operation of meters and can perform an accuracy test on site.

Industry Canada also carries out random checks of installed meters. If a meter fails such a test, all meters manufactured in that group will be removed and individually tested.

More Information

If you have any questions about your electricity meter, call Customer Care at 416.542.8000.