Hydro Ottawa Holding Inc. (Hydro Ottawa) is a private for-profit company that 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;
  • is the third-largest municipally-owned electrical utility in Ontario, serving over 305,000 residential and commercial customers;
  • has a 1,104 square kilometre service area;
  • transports power from the provincial electricity grid across a distribution network comprising 85 distribution stations, 2,700 kilometres of underground lines, 2,900 kilometres of overhead lines, 43,000 transformers and 48,400 hydro poles;
  • delivered 7,608 gigawatt hours of electricity in 2011, representing 5.4 percent of the electricity distributed province wide;
  • will average capital investments of $100 million per year to 2016; and
  • accounts for about 94 percent of capital assets and 93 percent of the revenues of Hydro Ottawa.


Energy Ottawa Inc.

  • generates renewable energy and provides commercial energy management services;
  • is Ontario’s largest municipally-owned producer of green power;
  • generated 142,000 megawatt hours of electricity in 2011, enough to power 17,000 homes for a year;
  • has 38 megawatts of capacity from hydroelectric generators at Chaudière Falls;
  • has 6 megawatts of capacity from landfill gas-to-energy plants through a joint venture at the Trail Road Landfill, with another 4.2 megawatts under construction at the Laflèche Landfill site in Moose Creek, Ontario; and
  • has saved the City of Ottawa $5.75 million over five years through energy management services.