Time of use tariff design for domestic customers integrating the management goals of efficient energy purchase and delivery

In this paper the effectiveness of demand-side management using zonal tariffs for households is analysed on the case of tariff offer proposed to customers in north-western Poland with the aim to widen the use of electricity for heating purposes. The price elasticity of customers settled according to two zonal tariff was determined using standard load profile of customers published by regional distribution network operator. The costs associated with the applied mean of demand side control were identified and the tariff effects assessment were made taking into account the benefits reached by energy supplier and network operators forming together the considered tariff offer. The analysis presented enabled to formulate some recommendations concerning TOU residential tariff restructuring to improve its feasibility and to create possible prospective income in result of peak load reduction.