Load control services in the management of power system security costs

The new climate of deregulation in the electricity industry is creating a need for a more transparent cost structure and within this framework the cost of power system security has been a subject of considerable interest. Traditionally power system security has been supplied by out-of-merit generation in the short term and transmission reinforcement in the long term. This paper presents a method of analysing the role of load demand in the management of power system security costs by utilising load control services (LCS). It also proposes a competitive market to enable bidding from various participants within the electricity industry to supply system security