Active Electricity Utility Service Areas |
| Canada |
Kenora Hydro Electric Corporation Ltd. |
| Alberta |
Killaloe - Ottawa River Power |
| Direct Energy Regulated Services/ATCO |
Kingston Electricity Distribution |
| EPCOR |
Kitchener-Wilmot Hydro Inc. |
| Enmax-Calgary |
LakeFront Utilities Inc. |
| Enmax-Other |
Lakefield Distribution Inc. |
| Enmax-Red Deer |
Lakeland Power Disribution Ltd. |
| Epcor-Fortis Territory |
London Hydro Inc. |
| Ontario |
Markham Hydro |
| Almonte |
Middlesex Power Distribution Corporation |
| Asphodal-Norwood Distribution Inc. |
Midland Power Utility Corp. |
| Atikokan Hydro Inc. |
Milton Hydro |
| Attawapiskat Power Corp. |
Mississippi Mills - Ottawa River Power |
| Aurora Hydro |
Mount Brydges - Middlesex Power |
| Aylmer |
Newbury Power Inc. |
| Barrie Hydro Distribution Inc. |
Newmarket Hydro Limited |
| Beachburg - Ottawa River Power |
Niagara Peninsula Energy Inc. |
| Bluewater Power Distribution Inc. |
Niagara-On-The-Lake-Hydro Inc. |
| Brant County Power Inc. |
Norfolk Power Inc. |
| Brantford Power Inc. |
North Bay Hydro |
| Burlington Hydro Inc. |
Northern Ontario Wires Inc. |
| COLLUS Power Corp. (Collingwood Utility Services) |
Norwich PUC |
| Cambridge & North Dumfries Hydro Inc. |
Oakville Hydro Corporation |
| Canadian Niagara Power Co. Ltd. |
Orangeville Hydro Limited |
| Cardinal - Rideau St. Lawrence Distribution |
Orillia Power Distribution |
| Cat Lake Power Utility |
Oshawa PUC Networks Inc. |
| Centre Wellington Hydro Ltd. |
Ottawa River Power Corporation |
| Chapleau Public Utilities Corp |
Parkhill - Middlesex Power |
| Chatham-Kent Energy Inc. |
Parry Sound Power Corporation |
| Clinton Power Corporation |
Pembroke - Ottawa River Power |
| Co-operative Hydro Embrun |
Peterborough Utility Services |
| Cornwall Electric |
Port Colborne Hydro-Electric Commission |
| Dutton Hydro Limited |
PowerStream Inc. |
| E.L.K. Energy Inc. |
Prescott - Rideau St. Lawrence Distribution |
| East Zorra-Tavistock - Erie Thames Powerlines |
Renfrew Hydro |
| Eastern Ontario Power |
Richmond Hill Hydro |
| Enersource Hydro Mississauga Inc. |
Rideau St. Lawrence Distribution |
| Enwin Powerlines Ltd. |
Sault Ste. Marie PUC Distribution |
| Eramosa(Guelph) |
Scugog Hydro |
| Erie Thames Powerlines Corp. |
Sioux Lookout Hydro-Electric Commission |
| Espanola Regional Hydro Distribution Corp. |
St. Thomas Energy Services Inc. |
| Essex Power Corporation |
St.Catharines Hydro-Electric Commission |
| Festival Hydro Inc. |
Tay Hydro Electric Distribution Company Inc. |
| Fort Albany Power |
Terrace Bay Superior Wires Inc. |
| Fort Frances Power Corp. |
Thessalon Hydro |
| Goderich Hydro |
Thunder Bay Hydro |
| Grand Valley Energy |
Tillsonburg Hydro Inc. |
| Granite Power |
Toronto Hydro Electric System |
| Gravenhurst Hydro-Electric Commission |
Veridian Connections Inc. |
| Great Lakes Power Ltd. |
Wasaga Distribution Inc. |
| Greater Sudbury Hydro Inc. |
Waterloo North Hydro Inc. |
| Grimsby Power Incorporated |
Welland Hydro-Electric System Corp. |
| Guelph Hydro Electric Systems Inc. |
Wellington Electric Distribution Company |
| Haldimand County Hydro Inc. |
Wellington North Power Inc. |
| Halton Hills Hydro Inc. |
West Nipissing Energy Services Ltd. |
| Hearst Power Distribution Company Limited |
West Perth Power Inc. |
| Horizon Utilities Corporation |
Westario Power Inc. |
| Hydro 2000 Inc. |
Whitby Hydro Electric Corporation |
| Hydro Hawkesbury Inc./Hawkesbury Hydro Inc |
Wingham PUC - Westario Power |
| Hydro One Brampton Inc. |
Woodstock Hydro Services Inc. |
| Hydro One Networks Inc. |
United States |
| Hydro One Remotes |
Texas |
| Hydro Ottawa Limited |
AEP Central |
| Ingersoll - Erie Thames Powerlines |
Reliant Energy HL+P |
| Innisfil Hydro |
TXU Electric |
| Kashechewan Power Authority |
Texas New Mexico |
