Special Issue "Grid-Connected PV Plants"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Solar Energy and Photovoltaic Systems".

Deadline for manuscript submissions: 30 April 2020.

Special Issue Editors

Prof. Dr. Ángel Molina-García
E-Mail Website
Guest Editor
Department of Automatics, Electrical Eng. and Electronic Technology; Universidad Politécnica de Cartagena, 30202 Cartagena, Spain
Interests: Wind power modeling, PV power plant modeling, Renewable Energy Source integration into power systems, Energy Efficiency
Prof. Dr. Rosa Anna Mastromauro
E-Mail Website
Guest Editor
Department of Information Engineering, University of Florence, Florence, Italy
Interests: power converters and control techniques for renewable energy systems; smart grids; and transportation applications

Special Issue Information

Dear Colleagues,

The Energies Journal is running a Special Issue on the topic of Grid-Connected PV Plants. PV power plant integration into the grid has been a relevant topic of interest over the last years. Policies supported by governments, technology maturity, favourable incentives, and cost decreasing have significantly promoted the integration of PV power plants into power systems at a transmission and distribution level. Nevertheless, there are some barriers in terms of forecasting generation, grid reliability, and power quality, which are crucial to overcome in order for a massive PV integration into future power systems. Additionally, the ancillary services provided by these generation units are more and more required by different agents in order to facilitate grid operation under a high presence of renewables.

Topics of interest for this Special Issue include, but are not limited to, the following areas:

  • Large-scale PV power plants
  • Energy policies related to PV power plants
  • Grid integration and interaction
  • PV power plant modeling
  • Monitoring and case studies
  • Communication systems for PV power plant integration
  • Economic analyses
  • PV inverters and sizing analyses
  • New trends in PV technologies
  • Reviews

Prof. Dr. Ángel Molina-García
Prof. Dr. Rosa Anna Mastromauro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • grid-connection
  • grid-interaction
  • inverter technology
  • PV module
  • energy policy
  • economics

Published Papers (1 paper)

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Open AccessArticle
Why PV Modules Should Preferably No Longer Be Oriented to the South in the Near Future
Energies 2019, 12(23), 4528; https://doi.org/10.3390/en12234528 - 28 Nov 2019
PV modules tilted and oriented toward east and west directions gain gradually more importance as an alternative to the presently-preferred south (north in the Southern Hemisphere) orientation and it is shown to become economically superior even under the reimbursement of feed-in tariff (FIT). [...] Read more.
PV modules tilted and oriented toward east and west directions gain gradually more importance as an alternative to the presently-preferred south (north in the Southern Hemisphere) orientation and it is shown to become economically superior even under the reimbursement of feed-in tariff (FIT). This is a consequence of the increasing spread between the decreasing costs of self-consumed solar power and the costs for power from the grid. One-minute values of irradiance were measured by silicon sensors at different orientations and tilt angles in Hannover (Germany) over three years. We show that south-oriented collectors give the highest electrical power during the day, whereas combinations of east and west orientations (E-W) result in the highest self-consumption rate (SC), and combinations of southeast and southwest (SE-SW) orientations result in the highest degree of autarky (AD), although they reduce the yearly PV Power by 5–6%. Moreover, the economic analysis of PV systems without FIT shows that the SE-SW and E-W combinations have the lowest electricity cost and they are more beneficial in terms of internal rate of return (IRR), compared to the S orientation at the same tilt. For PV systems with FIT, the S orientation presently provides the highest transfer of money from the supplier. However, as a consequence of the continuing decline of FIT, the economic advantage of S orientation is decreasing. E-W and SE-SW orientations are more beneficial for the owner as soon as FIT decreases to 7 Ct/kWh. East and west orientations of PV modules do not only have benefits for the individual owner but avoid high costs for storing energy—regardless who would own the storage facilities—and by avoiding high noon peaks of solar energy production during sunny periods, which would become an increasing problem for the grid if more solar power is installed. Furthermore, two types of commonly used PV software (PVSOL and PVsyst) were used to simulate the system performance. The comparison with measurements showed that both PV software underestimate SC and AD for all studied orientations, leading to the conclusion that improvements are necessary in modelling. Full article
(This article belongs to the Special Issue Grid-Connected PV Plants)
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