Multi-utilities - the provision of a number of utility services under a single ownership structure - are not new. They have been long established, for example, in the USA, where the concept of the combined gas and electricity utility is well known. However, in the UK, following tate privatisation of the utility industries, multi-utilities created by takeovers are a new phenomenon. This article examines the benefits and challenges of forming and managing multi-utilities in today＇s competitive utility marketplace, It discusses the practicalities of operating a business that combines electricity with water (and gas). A number of issues are addressed, including Regulator relations, and management of common services and combined operations.