Welfare Economic Optimization of the Supply Reliability

For a welfare economic optimization of the complete electric power supply system - the costs of a definite supply reliability and the costs accompanied by a definite supply safety - have to be taken into account. The Costs of the reliability are relatively easy to find and contain primarily investment costs and production costs of the system and costs against supply disturbances etc. With increasing reliability of the system the accompanying system costs are riseing. On the other hand the costs of missing supply of the customer are rising with increasing reliability of the supply system.