Evaluation criterion of full-spectrum modules for solar power engineering

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Abstract

The use of highly efficient (efficiency > 40%) full-spectrum solar cells in the ground-based solar power engineering is associated with the sophisticated design of the solar power plant that can lead to the increased capital costs not covered by the boosted energy yield. It is proposed to use the relative LCOE (Levelised Cost of Energy) as a criterion for evaluating the competitiveness of a power plant with full-spectrum solar cells at its initial stage of development. It is shown that if the power plant is located at the geographic point with the coordinates (51N, 108E), the power plant competitiveness with full-spectrum solar cells shall be ensured already when the capital costs per 1 m2 of the module aperture exceed the capital costs per 1 m2 by no more than 1.9 times in comparison with a silicon module.

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About the authors

Evgeniya A. Ionova

Ioffe Physical-Technical Institute of the Russian Academy of Sciences

Author for correspondence.
Email: ionova@mail.ioffe.ru
ORCID iD: 0000-0003-2886-6706

research assosiate, Laboratory of Photovoltaic Converters

Russian Federation, Saint-Petersburg

Kirill A. Ovchinnikov

Peter the Great St. Petersburg Polytechnic University

Email: owe4kink@yandex.ru
ORCID iD: 0009-0006-5774-0925

Master’s student

Russian Federation, Saint-Petersburg

Dmitry A. Malevskiy

Ioffe Physical-Technical Institute of the Russian Academy of Sciences

Email: dmalevsky@scell.ioffe.ru
ORCID iD: 0000-0002-9337-4137

research assistant, Photovoltaics Laboratory

Russian Federation, Saint-Petersburg

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2. Fig. 1. A prototype solar power plant with eight FSMs and an installed capacity of 1–2 kW. Concentration of solar radiation is provided by a Fresnel lens panel, and the two-axis Sun tracking process is provided by a tracking support [7, 8].

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Copyright (c) 2025 Ionova E.A., Ovchinnikov K.A., Malevskiy D.A.