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Quick Facts - Hydro One Inc.

 ‚ÄčAs at December 31, 2014

Our Business

  • We are the largest electricity transmission and distribution company in Ontario, with $22.6 billion in total assets.
  • We own and operate substantially all of Ontario's electricity transmission system, accounting for about 97% of Ontario's transmission capacity as measured by revenues for the year 2014.
  • Our distribution system is the largest in Ontario and spans approximately 75% of the province.
  • We distribute electricity though our 121,000 circuit km low-voltage distribution system, serving Ontario's rural areas and municipalities.
  • We transmit energy through a 29,000 circuit km high-voltage network. Transmission lines are overhead except for 271 circuit km of underground lines in urban areas.
  • We own and operate 26 facilities that interconnect our transmission system with systems in neighbouring provinces and states, which can accommodate imports of up to 6,963 MW and exports of up to 6,295 MW.
  • Our transmission system includes 290 transmission stations.
  • Our distribution system includes 1,026 distribution and regulating stations.
  • Cumulative Smart Meters deployed: Over 1.4 million.
  • Our telecommunications business markets dark and lit fibre optic capacity to telecommunications carriers and commercial customers.
  • Number of vehicles/equipment in Fleet: Over 7,500.

Reportable Segments

  • Transmission Business
  • Distribution Business
  • Other Business (primarily represented by the operations of Hydro One Telecom Inc.)

Our Customers

  • Remote Communities Served: 21
  • Rural and Urban Distribution Customers: approximately 1.4 million
  • Local Distribution Companies: 69
    • 46 transmission-connected LDCs
    • 23 distribution-connected LDCs.

  Our Employees

  • Full-time: 5,619 regular employees
  • Non-Regular: 2,237 employees (includes temporary, contract and part-time)
  • Pensioners and disabled & deferred members: 7,682

Our Subsidiaries

  • Hydro One Networks Inc.
  • Hydro One Remote Communities Inc.
  • Hydro One Telecom Inc.
  • Hydro One Brampton Networks Inc.

Our Electricity

  • Total electricity transmitted in 2014: 139.8 TWh*
  • All-time System Peak: 27,005 MW** (August 1, 2006)
  • 2014 System Peak: 22,774 MW**
  • 2013 System Peak: 24,927 MW**
  • 2012 System Peak: 24,636 MW**
  • 2011 System Peak: 25,450 MW**
  • 2010 System Peak: 25,075 MW**
  • 2009 System Peak: 24,380 MW**
*139,800,000,000 kilowatt-hours. A 100-watt light bulb burning for 10 hours would use one kilowatt-hour of energy.
**A megawatt is a measure of instantaneous demand for electricity and generation needed to meet this demand. One megawatt equals 1,000 kilowatts. Statistics provided by the Independent Electricity System Operators (IESO). 
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