Solar panels on a residential rooftop


Hydro Ottawa Holding Inc. (Hydro Ottawa) is wholly-owned by the City of Ottawa and governed by an independent Board of Directors appointed by its shareholder. The company’s core businesses are electricity distribution, renewable energy generation and energy conservation and management services. Hydro Ottawa owns and operates two subsidiary companies.

Hydro Ottawa Limited

  • is a regulated electricity distribution company operating in the City of Ottawa and the Village of Casselman;
  • has 330,300 total customers representing 302,000 residential, 24,770 small commercial and 3,300 large commercial users;
  • is the largest local distribution company in eastern Ontario and the third-largest municipally-owned LDC in the province;
  • has a 1,116 square kilometre service area;
  • delivered 7,430 gigawatt hours of electricity in 2014, representing 6.2 percent of the electricity distributed province wide (119,969 gigawatt hours);
  • had a maximum load of 1,321 MW with an average of 948 MW in 2015;
  • has a service territory that includes 667 microFIT and 89 FIT generators;
  • delivered electricity service to more than 58,000 streetlights;
  • will fund capital investments of more than half a billion dollars over the course of 2016 to 2020; and
  • accounts for approximately 88 percent of the Corporation’s capital assets and 89 percent of revenues.

Energy Ottawa Inc.

  • is a provider of commercial energy management services;
  • is the largest municipally-owned producer of green power in Ontario;
  • generated 337 gigawatt hours of electricity in 2015;
  • operates 16 run-of-the-river hydroelectric facilities, including six stations in Ottawa’s downtown core;
  • has a hydroelectric generation capacity of 38 megawatts at Chaudière Falls;
  • holds interests in two landfill gas-to-energy joint ventures at the Trail Road landfill site and the Laflèche landfill site in Moose Creek, Ontario;
  • has landfill gas-to-energy generation capacity of 10.2 megawatts through joint ventures at the Trail Road Landfill in Ottawa and Laflèche Landfill in Moose Creek, Ontario;
  • owns ten hydroelectric stations located in Eastern Ontario and nearby New York State that have a total combined output of 31 megawatts; and
  • has a total generation capacity of more than 79 megawatts annually, which is enough to power 62,000 homes.


  • Number of employees: 700

Coverage Map

Hydro Ottawa transports power from the provincial electricity grid and distributes it across its service territory. The distribution network includes:

  • 88 Hydro Ottawa and 5 Hydro One distribution stations;
  • 170 station class transformers;
  • 2,963 kilometres of underground cable;
  • 2,732 kilometres of overhead lines;
  • 45,414 distribution transformers;
  • 49,247 hydro poles.

Hydro Ottawa Coverage Map

Statistics as of December 31, 2015


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