What are the cost of electrical energy? All Questions › Category: Transmission And Distribution System › What are the cost of electrical energy? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down CS Electrical And Electronics Staff answered 4 years ago The total cost is divided into three parts Fixed cost: due to annual expenditure on capital cost, salaries, interest, and depreciation. Semi fixed cost: charges per kW of Maximum Demand Running or operating cost: Fuel, oil, lubrication O&M