Energy control and size optimization of a hybrid system (photovoltaic-hidrokinetic) using various storage technologies

Paul Arévalo, Darío Benavides, Juan Lata-García, Francisco Jurado

Research output: Contribution to journalReview articlepeer-review

71 Scopus citations


This study analyzes the effects of different storage technologies on a hybrid renewable energy system composed of photovoltaic, hydrokinetic and diesel generator. Five types of storage are considered: lead acid, lithium ion, vanadium redox flow, hydrogen and hydrogen-vanadium redox flow. The analysis is mainly based on indicators such as Net Present Cost, Cost of Energy, unmet load and CO2 emissions. HOMER software has been used in this paper with time-sampling models and sensitivity studies to determine the effects of each storage system. The results show that the vanadium redox flow batteries system presents a lower net present cost and cost of energy. The sensitivity analysis shows that the vanadium redox flow system presents a greater variation of the minimum state of charge (SOC) in relation to the net present cost. However, the system composed of hydrogen and fuel cell present the lowest variation. The two proposed strategies for energy control show the same performance. However, when using the Load Tracking Control, the variation of the minimum state of charge with respect to the net cost is greater than the variation obtained when applying the Load Cycle Control.

Original languageEnglish
Article number101773
JournalSustainable Cities and Society
StatePublished - Jan 2020

Bibliographical note

Publisher Copyright:
© 2019 Elsevier Ltd

Copyright 2019 Elsevier B.V., All rights reserved.


  • Hybrid system
  • Hydrokinetic turbine
  • Renewable energy
  • Storage


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