St. Catharines Hydro Inc. is a holding company owned by the City of St. Catharines. The company started in 2000 as part of the shift to restructure and deregulate Ontario's electricity industry by the Province. St. Catharines Hydro Inc. also owns St. Catharines Hydro Generation Inc. It holds 4.63 per cent of the shares of Alectra Inc.
The Boards for St. Catharines Hydro Inc. and St. Catharines Hydro Generation Inc. are:
St. Catharines Hydro Generation Inc. owns and operates the Heywood Generating Station in Port Dalhousie under a licence from the Ontario Energy Board. St. Catharines Hydro Inc. owns all the shares of St. Catharines Hydro Generation Inc.