Canada Post service disruption: During the current Canada Post strike, you will not receive your Toronto Hydro mail. Choose eBills and Pre-Authorized Debit (PAD) to ensure you always get and pay your bills on time. During the current Canada Post strike, you will not receive your Toronto Hydro mail. Choose eBills and Pre-Authorized Debit (PAD) to ensure you always get and pay your bills on time.
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Learn about what we do and how we operate.
Toronto Hydro owns and operates an electricity distribution system that delivers electricity to approximately 793,000 customers in the city of Toronto. We serve the largest city in Canada and distribute approximately 18 per cent of the electricity consumed in the province of Ontario.
We're committed to delivering excellent customer service, providing a safe and reliable supply of electricity, and delivering long-term value to the City of Toronto.
Toronto Hydro Corporation is a holding company which wholly owns two subsidiaries: Toronto Hydro-Electric System Limited and Toronto Hydro Energy Services Inc.
The Corporation is responsible for supervising the operations of its subsidiaries and providing them with corporate, management services and strategic direction.
Toronto Hydro-Electric System Limited (commonly referred to as Toronto Hydro) owns and operates the electricity distribution system for the city of Toronto. We have approximately 793,000 customers in Toronto and distribute approximately 18 per cent of the electricity consumed in Ontario.
Toronto Hydro is responsible for the following services:
Toronto Hydro Energy Services Inc. is responsible for providing streetlighting and expressway lighting services in the city of Toronto.
The journey of getting power to your home or business involves electricity generation, transmission and distribution. Here's what's involved at each stage of the process:
| Category | Figure |
|---|---|
| Total customers | 793,000* |
| Residential Service customers [1] | 710,000 |
| General Service customers [2] | 82,941 |
| Large Users [3] | 48 |
| Electricity delivered | 23,698* (GWh) |
| Poles | 184,330* |
| Overhead wires | 15,364* (circuit km) |
| Underground wires | 13,930* (circuit km) |
| Primary switches | 16,920* |
| Distribution transformers | 61,460* |
| Control centres | 2 |
| Operations centres | 4 |
| Employees | 1,325* |
Note: Figures listed with an asterisk are approximate.
[1] Includes houses, apartments and condominiums.
[2] With monthly peak demand of less than 5,000 kW (averaged over a 12-month period). Includes schools, restaurants and most shopping malls.
[3] With monthly peak demand of 5,000 kW or greater (averaged over a 12-month period). Includes hospitals, universities and large manufacturers.
| Power source | Percentage of supply mix |
|---|---|
| Nuclear energy | 50.8% |
| Water power | 24.5% |
| Natural gas [1] | 12.5% |
| Wind | 8.7% |
| Solar PV | 2.3% |
| Bioenergy | 0.4% |
| Other (non-emitting) [2] | 0.8% |
Note: Figures may not add to 100% due to rounding. Also, figures do not account for the sale and retirement of Clean Energy Credits (CECs).
[1] Includes Lennox, dual fuel (natural gas/bioenergy) and non-contracted emitting generation consistent with the Independent Electricity System Operator (IESO).
[2] Other represents a variety of non-contracted fuel types that the IESO is unable to categorize due to a lack of information from Local Distribution Companies (LDCs).