Abstract
The United Kingdom has abundant renewable energy resources from wind, solar, biomass and others. Meanwhile, domestic sector consumes large amount of electricity and natural gas. This paper aims to explore the potentials of a hybrid renewable energy system (HRES) to supply power and heat for a household with the optimal configuration. A typical house in the United Kingdom is selected as a case study and its energy consumption is collected and analysed. Based on energy demands of the house, a distributed HRES including wind turbine, solar photovoltaic (PV) and biogas genset is designed and simulated to satisfy the power and heat demands. Hybrid Optimization Model for Electric Renewable (HOMER) Software is used to conduct this technoeconomic analysis. It is found that the HRES system with one 1-kW wind turbine, one 1-kW sized biogas genset, four battery units and one 1-kW sized power converter is the most feasible solution, which can supply enough power and heat to meet the household demands. In addition, the HRES system has the lowest net present cost (NPC) of $14,507 and the lowest levelized cost of energy (LCOE) of $0.588 kW−1·h−1. The case study is also quite insightful to other European countries.
Highlights
Environmental pollution of fossil fuel-based electricity generation and depletion of natural resource have drawn burgeoning attentions, which initiate clean and renewable energy technologies for zero carbon emission [1]
Hybrid renewable energy system (HRES) could be an effective approach to reduce the consumption of fossil energy resources for future sustainable development
The results showed that the best configuration was Case 1 in the Configuration 2, which was composed of the 1 kW wind turbine, biogas genset, the batteries and the inverter
Summary
Environmental pollution of fossil fuel-based electricity generation and depletion of natural resource have drawn burgeoning attentions, which initiate clean and renewable energy technologies for zero carbon emission [1]. Solar and wind power generation technologies could be good candidates for the places where electricity is cost effective [2]. It is worth noting that solar and wind power generation are much related to the weather conditions. Hybrid renewable energy system (HRES) could be an effective approach to reduce the consumption of fossil energy resources for future sustainable development. Many researchers have investigated autonomous hybrid renewable power systems for various applications by using different mathematic models. Celik [3] conducted a optimization analysis on a hybrid system which was composed of PV and wind power components based on average daily electrical load.
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