This book presents the state-of-the-art methods and procedures necessary for operating a power system. It takes into account the theoretical investigations and practical considerations of the modern electrical power system. It highlights in a systematic way the following sections: Power Sector Scenario in India, Distribution Planning and Optimization, Best practices in Operation & Maintenance of Sub-Transmission & Distribution Lines, Best Practices in Operation and Maintenance of Distribution Substation Equipments and Auxiliaries, Best Practice in Operation & Maintenance of Transformer and Protection Systems, International Best Practices in Operation & Maintenance (Advanced Gadgets), Aerial Bunch Conductor (ABC) based Distribution System, Best Practices in Operation & Maintenance of Energy Meters. 1.0 Overview of Power Sector Scenario in India 1.1 Historical background & Stages of Growth 1.2 The Growth Story of Indian Power Sector 1.2.1 The Growth in Power Infrastructure 1.2.2 The Growth in Rural Electrification 1.2.3 Growth in Electricity Consumption 1.2.4 The growth in generating capacity addition 1.3 Distribution Business is a Service Industry 1.4 Present Status at National Level 1.5 Development in last decade in respect of Distribution Utilities in India 1.6 Distribution Reforms in India 1.6.1 Private Participation in Distribution 1.6.2 Distribution privatization in Delhi 1.6.3 Distribution Franchisee 1.7 Statutory Bodies in Power Industries 1.7.1 Central Electricity Authority (CEA) 1.7.2 Appellate Tribunal for Electricity 1.7.3 Central Electricity Regulatory Commission (CERC) 1.7.4 State Electricity Regulatory Commission (SERC) 1.7.5 Central Transmission Utility 1.7.6 State Transmission Utility 1.7.7 National Load DispatchlƒJ