Abstract
The grid-connected photovoltaics (GCPV) systems are a sustainable alternative to the conventional non-renewable electricity systems. However, GCPV systems create the many issues such as grid overloading, demand and supply variations, and power quality issues. A key way to address such issues is the integration of the effective energy storage technologies in GCPV systems. There are many storage technologies which can be connected with GCPV systems. The integration of a proper storage technology into the GCPV systems may provide a best alternative. This paper evaluates the different storage technologies for GCPV systems using the analytic hierarchy process (AHP) approach. The goal of the AHP model was the selection of the best storage alternative for GCPV systems based on the multiple criteria. The criteria included the storage parameters as well as the parameters related to the compatibility with GCPV systems. The results exhibited that the pumped hydro storage is the best alternative if all the storage and compatibility parameters are equally desirable. However, if AHP model gives the highest preference to the criteria “integration simplicity regarding renewable energy” and “geographic limitations”, the several other storage technologies achieve the higher rankings. Hence, the AHP model provides a greater flexibility to evaluate the different storage technologies for GCPV systems under different circumstances.
Highlights
The conventional electricity generation involves the higher inputs of the fossil fuels, resulting in the higher environmental pollution [1]
The proposed analytic hierarchy process (AHP) model offers the evaluation of the numerous cases
RESEARCH This paper presents a storage selection method based on the analytic hierarchy process (AHP) approach for the grid-connected photovoltaics (GCPV) systems
Summary
The conventional electricity generation involves the higher inputs of the fossil fuels, resulting in the higher environmental pollution [1]. The selection of the storage systems in the grid connected power systems is a complex decision making process which should include all the important qualitative and quantitative factors. In the multi-criteria decision making literature, AHP approach has been used in the numerous applications such as selection of PV plant location [28], selection of renewable energy resources for the power system [29], and the evaluation of energy technologies [30]. The many papers used AHP approach for the decision making in the power system problems, such as site selection for power plants [31], the evaluation of renewable energy resources [32], and the evaluation of PV systems [33]. Reference [36] applied AHP method in super decisions software for the selection of the best standalone renewable energy system in South Sudan. The compatibility factors included the six criteria and 15 sub-criteria for important issues related to GCPV systems with storage
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