This report analyzes the application of Demand Side Management (DSM) strategies in the UK, including Demand Side Response, Distributed Energy Generation, and Demand Reduction, by examining the drivers and barriers that affect their implementation. The report discusses the benefits of DSM strategies, such as reducing the cost of electricity and lowering carbon emissions. It also examines the drivers of DSM, including the use of aggregators, the Grid Data and Measurement System, and the need for a unified national electricity grid. The report also discusses the barriers to DSM, such as licensing requirements and technical difficulties in the connection process.