Economic analysis and optimal energy management models for microgrid systems: A case study in Taiwan
Journal
Applied Energy
Journal Volume
103
Pages
145-154
Date Issued
2013
Author(s)
Abstract
The purpose of this research is to perform economic analysis, formulate an optimization model, and determine optimal operating strategies for smart microgrid systems. Microgrid systems are electricity supply systems that integrate distributed renewable energy production for local demand. Microgrids are able to reduce transmission losses and improve utilization efficiency of electricity and heat. Further, greenhouse gas emissions are reduced by utilizing an efficient power generation microgrid system. This study presents an energy management model that is used to determine optimal operating strategies with maximum profit for a microgrid system in Taiwan. The smart microgrid system is equipped with energy storage devices, photovoltaic power, and wind power generation systems. Sensitivity analyses of investment in storage capacity and growth in electricity demand are conducted for the smart microgrid model. The results show that appropriate battery capacity should be determined on the basis of both battery efficiency and power supply. © 2012 Elsevier Ltd.
Subjects
Microgrid; Optimization; Sensitivity analysis
SDGs
Other Subjects
Economic analysis; Electric power generation; Energy management; Energy policy; Gas emissions; Greenhouse gases; Management; Profitability; Sensitivity analysis; Battery capacity; Electricity demands; Electricity supply; Micro grid; Operating strategy; Optimization models; Photovoltaic power; Power supply; Renewable energies; Storage capacity; Transmission loss; Utilization efficiency; Wind power generation systems; Optimization; economic analysis; electricity generation; electricity supply; energy conservation; energy efficiency; numerical model; sensitivity analysis; Taiwan
Type
journal article