engleski

Analysis of the Water—Power Nexus of the Balkan Peninsula Power System

Power generation sector worldwide accounts for high water withdrawal and consumption due to the hydropower generation and cooling of thermal power plants. Hence, the operation of the power generation sector is constrained by the availability of the water resources, as well as the addition of constrains on water resources used for other purposes, such as irrigation, flood control, water supply, agriculture, etc. The optimal utilization of water resources between the water and energy sector is defined under the term water-energy (or water-power) nexus. This study describes the implementation of hydrological LISFLOOD, Medium-Term Hydrothermal Coordination (MTHC) and Unit Commitment and Dispatch (Dispa-SET UCD) models for detailed analysis of impacts on the SEE regional power system for three different hydrological years. Results were validated based on the available ENTSO-E data for the average hydrological (2015) year. Results show increase in hydropower generation from 53.06 TWh for dry year, to 65.24 and 85.13 TWh for average and wet year, respectively, while the average electricity cost falls from 17.79 EUR/MWh for dry year, to 16.36 and 14.05 EUR/MWh for average and wet year, respectively. This analysis successfully replicates the methodology under the WATERFLEX project, with the novelty in run-of-river hydropower generation calculations in MTHC model.

Energy modelling ; Water-energy nexus ; Dispa-SET ; LISFLOOD

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