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             (formerly Enersource Hydro, Horizon Utilities, Hydro One Brampton, PowerStream and Guelph Hydro)  | 
            
             Mississauga, Hamilton, St. Catharines, Brampton, Alliston, Aurora, Barrie, Beeton, Bradford West Gwillimbury, Penetanguishene, Markham, Richmond Hill, Thornton, Tottenham, Vaughan, Guelph and Rockwood  | 
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             Algoma  | 
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             Atikokan  | 
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             Attawapiskat First Nation  | 
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             Alvinston, Sarnia, Point Edward, Oil Springs, Petrolia, and Watford  | 
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             Burlington  | 
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             Fort Erie and Port Colborne  | 
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             Elora and Fergus  | 
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             Embrun  | 
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             Cornwall, South Glengarry, South Stormont, and the Ontario portion of the Mohawk Territory of Akwesasne  | 
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             Elexicon Energy Inc. (formerly Veridian and Whitby Hydro)  | 
            
             Ajax, Beaverton, Belleville, Bowmanville, Cannington, Gravenhurst, Newcastle, Orono, Pickering, Port Hope, Port Perry, Sunderland and Uxbridge, Whitby, Brooklin and Ashburn  | 
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             Essex, Harrow, Belle River, Comber, Kingsville and Cottham  | 
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             Enova Power Corp. (formerly Kitchener-Wilmot Hydro and Waterloo North Hydro)  | 
            
             Kitchener, Waterloo, Woolwich, Wilmot, Wellesley  | 
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             Parkhill, Strathroy, Mount Brydges, Newbury, Dutton, Wallaceburg, Dresden, Bothwell, Thamesville, Ridgetown, Chatham-Kent, Blenheim, Merlin, Tilbury, Wheatley, Erieau, St. Thomas  | 
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             Windsor  | 
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             EPCOR Electricity Distribution Ontario Inc. (formerly Collus PowerStream)  | 
            
             Collingwood, Stayner, Creemore and Thornbury  | 
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             ERTH Power Corporation(formerly Erie Thames Power and West Coast Huron)  | 
            
             Aylmer, Belmont, Burgessville, Beachville, Clinton, Embro, Goderich, Ingersoll, Otterville, Port Stanley, Norwich, Tavistock and Thamesford, West Perth  | 
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             Amherstburg, LaSalle, Leamington and Tecumseh  | 
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             Stratford, St. Mary's, Seaforth, Hensall, Brussels, Zurich and Dashwood  | 
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             Fort Albany First Nation  | 
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             Fort Frances  | 
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             GrandBridge Energy (formerly Brantford Power and Energy +)  | 
            
             Brantford, Cambridge, Brant County and North Dumfries  | 
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             Greater Sudbury and the Municipality of West Nipissing  | 
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             Grimsby  | 
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             Halton Hills  | 
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             Hearst  | 
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             Alfred and Village of Plantagenet  | 
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             Hawkesbury  | 
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             Hydro One Networks Inc./Cat Lake Power Community  | 
            
             Most of rural Ontario, including Norfolk, Cat Lake Community and Haldimand County  | 
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             19 Communities not connected to the grid  | 
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             Ottawa and Casselman  | 
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             Innisfil and South Barrie  | 
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             Kashechewan First Nation  | 
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             Kingston  | 
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             Cobourg  | 
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             Bracebridge, Burk's Falls, Huntsville, Magnetawan and Sundridge  | 
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             London  | 
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             Milton  | 
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             Newmarket, Tay Township and Midland  | 
            
            
             
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             Niagara-on-the-Lake, Virgil, Glendale, St. Davids and Queenston  | 
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             Niagara Falls, Lincoln, Pelham and West Lincoln  | 
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             North Bay Hydro (amalgamated with Espanola Regional Hydro)  | 
            
             North Bay, Espanola, Webbwood and Massey  | 
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             Cochrane, Iroquois Falls and Kapuskasing  | 
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             Oakville  | 
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             Orangeville and Grand Valley  | 
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             Oshawa  | 
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             Almonte, Beachburg, Killaloe and Pembroke  | 
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             Sault Ste. Marie  | 
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             Renfrew  | 
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             Westport, Prescott, Cardinal, Iroquois, Morrisburg and Williamsburg  | 
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             Sioux Lookout and Hudson  | 
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             Synergy North Corporation (formerly Kenora Hydro and Thunder Bay Hydro)  | 
            
             Kenora, Thunder Bay  | 
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             Tillsonburg  | 
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             Toronto  | 
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             Wasaga Beach  | 
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             Welland  | 
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             Holstein, Mount Forest and Arthur  | 
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             Hanover, Huron-Kinloss, Kincardine, Saugeen Shores, South Bruce, Wingham, Brockton and Minto  | 
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