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Investing today for a safe, reliable tomorrow

A strong, stable electrical system is essential to a modern global city. It powers growth in Toronto and provides a foundation for the connected lifestyle we all enjoy. To fund necessary upgrades to our aging infrastructure, our regulator, the Ontario Energy Board, recently approved a five-year rate increase. This will enable more than $2 billion in capital investments in our system to improve reliability, safeguard against extreme weather events and meet growing demand.


Investments are working

The good news is, investments are working. Since 2009, Toronto Hydro has invested over $2.5 billion in the grid. In that time, the average number of service interruptions has improved by 12% and the average duration of interruptions has improved by 15%. But there’s still more to do.

System average interruption duration* index

  • 2007
  • 2015
42.50

42.50

26.37

26.37

*Calculated by dividing the total customer hours of interruptions longer than one minute by the number of customers served. Excludes major event days.

System average interruption frequency* index

  • 2007
  • 2015
0.85

0.85

0.58

0.58

*Calculated by dividing the total number of customer interruptions longer than one minute by the number of customers served. Excludes major event days.


But there's still more to do

As the largest municipal electricity distributor in Ontario, Toronto Hydro faces unique cost pressures. Toronto is experiencing unprecedented growth, with 222 existing skyscrapers and more than 287 under construction. At the same time, Toronto’s electricity grid is aging. More than a third of assets will reach end of useful life by 2020. In order to maintain reliability, it is necessary to invest now.