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Local electricity utilities or local distribution companies, are responsible for distributing power from transmission lines to people's homes. Your local utility is available to answer questions about your bill, power interruptions and energy use.

Here is a list of all utilities operating in Ontario. Web links have been included, where available. For a complete map of Ontario’s utilities, click here.

Algoma Power
• Serving: Algoma District
Atikokan Hydro Inc.
Bluewater Power Distribution Corporation
• Serving: Sarnia, Point Edward, Petrolia, Alvinston, Oil Springs and Watford
Brant County Power Inc.
Brantford Power Inc.
Burlington Hydro Inc.
Cambridge and North Dumfries Hydro Inc.
Canadian Niagara Power Co. Ltd
• Serving: Fort Erie and Port Colborne
Centre Wellington Hydro Ltd.
•  Serving: Elora and Fergus
Chapleau Public Utilities Corporation
Collus PowerStream
• Serving: Collingwood, Stayner, Creemore and Thornbury
Co-operative Hydro Embrun
Cornwall Electric
• Serving: Cornwall, South Glengarry, South Stormont, and the Ontario portion of the Mohawk Territory of Akwesasne
E.L.K. Energy Inc.
• Serving: Essex, Harrow, Belle River, Comber, Kingsville and Cottham
Eastern Ontario Power
• Serving: Gananoque
Enersource Hydro Mississauga Inc. Follow Enersource on Twitter
Entegrus Powerlines Inc.
• Serving: Parkhill, Strathroy, Mount Brydges, Newbury, Dutton, Wallaceburg, Dresden, Bothwell, Thamesville, Ridgetown, Chatham-Kent, Blenheim, Merlin, Tilbury, Wheatley, Erieau
EnWin Utilities Ltd. Follow Enwin Utilities on Twitter
• Serving: Windsor
Erie Thames Powerlines Corporation Follow Erie Thames Powerlines on Twitter
• Serving: Aylmer, Belmont, Burgessville, Beachville, Clinton, Embro, Ingersoll, Otterville, Port Stanley, Norwich, Tavistock and Thamesford, West Perth
Espanola Regional Hydro Distribution Corporation
• Serving: Espanola, Webbwood and Massey
Essex Power Corporation
• Serving: Amherstburg, LaSalle, Leamington and Tecumseh
Festival Hydro Inc.
• Serving: Stratford, St. Mary's, Seaforth, Hensall, Brussels, Zurich and Dashwood
Five Nations Energy Inc.
• Serving: Attawapiskat, Fort Albany and Kashechewan
Fort Frances Power Corp.
Greater Sudbury Hydro Follow Sudbury Hydro on Twitter
• Serving Greater Sudbury and the Municipality of West Nipissing
Grimsby Power Inc.
Guelph Hydro Follow Guelph Hydro on Twitter
• Serving: Guelph and Rockwood
Haldimand County Hydro Inc.
Halton Hills Hydro
Hearst Power Distribution Company Limited
Horizon Utilities Corporation Follow Horizon Utilities (Contact) on Twitter Follow Horizon Utilities (Conserve) on Twitter Follow Horizon Utilities (Outage) on Twitter Find Horizon Utilities on Facebook
• Serving: Hamilton and St. Catharines
Hydro Hawkesbury Inc./Hawkesbury Hydro Inc
• Phone: (613) 632-6689
Hydro One Brampton Inc.
Hydro One Networks Follow Hydro One on Twitter
• Serving: Most of rural Ontario
Hydro One Remotes
• Serving: 19 Communities not connected to the grid
Hydro Ottawa Follow Hydro Ottawa on Twitter Follow Hydro Ottawa's Customer Care feed on Twitter Follow Hydro Ottawa Conserves on Twitter
• Serving: Ottawa and Casselman
Innisfil Hydro
Kenora Hydro Electric Corporation Ltd.
Kingston (Utilities Kingston) Find Utilities Kingston Facebook Follow Utilities Kingston on Twitter

Kitchener-Wilmot Hydro Inc.
Lakefront Utilities Inc.

• Serving: Cobourg
Lakeland Power Distribution Ltd. Follow Lakeland Power on Twitter
• Serving: Bracebridge, Burk's Falls, Huntsville, Magnetawan and Sundridge
London Hydro Inc.
Midland Power Utility Corporation
Milton Hydro
Newmarket-Tay Power Distribution Ltd.
Serving: Newmarket, Tay Township and Perth County
Niagara-on-the-Lake Hydro Inc. Follow Niagara-on-the-Lake Hydro on Twitter
• Serving: Niagara-on-the-Lake, Virgil, Glendale, St. Davids and Queenston
Niagara Peninsula Energy Inc. Find Niagara Peninsula Energy on Facebook Follow Niagra Peninsula Energy on Twitter
• Serving: Niagara Falls, Lincoln, Pelham and West Lincoln
Norfolk Power Inc.
North Bay Hydro
Northern Ontario Wires Inc.
• Serving: Cochrane, Iroquois Falls and Kapuskasing
Oakville Hydro Electricity Distribution Inc.
Orangeville Hydro
• Serving: Orangeville and Grand Valley
Orillia Power Follow Orillia Power on Twitter
Oshawa PUC Networks Inc.
Ottawa River Power Corporation
• Serving: Almonte, Beachburg, Killaloe and Pembroke
Parry Sound Power Corporation
Peterborough Distribution Inc.
• Serving: Peterborough, Lakefield and Norwood
PowerStream Inc. Find PowerStream on Facebook Follow PowerStream on Twitter
• Serving: Alliston, Aurora, Barrie, Beeton, Bradford West Gwillimbury, Penetanguishene, Markham, Richmond Hill, Thornton, Tottenham and Vaughan
PUC Distribution Inc.
• Serving: Sault Ste. Marie
Renfrew Hydro
Rideau St. Lawrence Distribution Inc.
• Serving: Westport, Prescott, Cardinal, Iroquois, Morrisburg and Williamsburg
• Phone: (613) 925-3851
Sioux Lookout Hydro Electric Commission
St. Thomas Energy Inc.
Thunder Bay Hydro Follow Thunder Bay Hydro on Twitter
Tillsonburg Hydro Inc.
Toronto Hydro Electric System Find Toronto Hydro on Facebook Follow Toronto Hydro on Twitter
• Serving: Ajax, Beaverton, Belleville, Bowmanville, Cannington, Gravenhurst, Newcastle, Orono, Pickering, Port Hope, Port Perry, Sunderland and Uxbridge
Wasaga Distribution Inc.
• Serving: Wasaga Beach
Waterloo North Hydro
• Serving: Waterloo, Township of Woolwich and Township of Wellesley
Welland Hydro-Electric System Corp.
Wellington North Power Inc.
• Serving: Holstein, Mount Forest and Arthur
West Coast Huron Energy
• Serving: Goderich
Westario Power
• Serving: Hanover, Huron-Kinloss, Kincardine, Saugeen Shores, South Bruce, Wingham, Brockton and Minto
Whitby Hydro Electric Corporation
Woodstock Hydro Services