Short term economical scheduling in an energy hub by renewable and demand response

Energy hub is a super node in electrical power system which has strong potential to receive varying energy carriers such as electricity and natural gas in hub input and as a minimum cost solution determines when and how much of which carrier should be purchased and stored in order to persuade required demands. Energy hub concept is not constricted to specific carriers and sizes; it can be extended for different approaches in response to different energy needs. In this paper, we present optimal scheduling of an extended energy hub for 24 hours under smart grid key drivers; renewable energy, heat and electrical storages, demand response in deregulated market. Numerical results through CPLEX (high performance linear programming solver) of GAMS software approve that proposed approach based on minimum cost solution can indicate when and how much of which carrier should be purchased, stored, interrupted or supplied by renewable resources to satisfy a commercial load. Impact of smart grid technologies and a comprehensive sensitive analysis on hub parameters; prices (electricity, gas, demand response and heat benefit prices), pipelines (electricity, gas and heat), technologies capacity (transformer, boiler, CHP, wind turbine, electrical and heat storages), wind speed and load participation factor is also evaluated on hub operation costs.