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Optimization of the Nominal Capacity of an Energy Storage System for Ensuring Security of the Electrical Energy Supply Cover

Optimization of the Nominal Capacity of an Energy Storage System for Ensuring Security of the Electrical Energy Supply

Open Access
|Sep 2025

Figures & Tables

Figure 1.

The daily amount of excess electrical energy of the solar power plant, the amount of electrical energy transfer using the BESS before optimization and after optimization for March and April of the year studied
The daily amount of excess electrical energy of the solar power plant, the amount of electrical energy transfer using the BESS before optimization and after optimization for March and April of the year studied

Input data and modeling results

NameWindPVRESBESS
Input data
Specific CAPEX,$/kW1350.0700.0925.080.0
Specific CAPEX, $/kWh385.0
Specific fixed costs, $/kW4.010.95.02.0
Specific variable costs and fuel, $/kWh35.5
CAPEX, million €1.71.11.21.0
Capacity factor, %36.014.715.025.0
Production (storage) energy, GWh/year3.21.71.30.2
LCOE (LCOS), €/MWh81.2108.1189.8377.2
Modeling results (before optimization)
Installed capacity, MW3.614.03.716.0
Nominal capacity, MWh40.0
CAPEX, million €6.212.14.415.4
Capacity factor, %33.116.215.831.6
Production (storage) energy, GWh/year10.515.35.13.7
Volume of curtailment at the solar, GWh/year0.4
LCOES, €/MWh147.9
Modeling results (after optimization)
Installed capacity, MW3.614.03.73.9
Nominal capacity, MWh9.7
CAPEX, million €6.212.14.43.8
Capacity factor, %33.116.215.848.5
Production (storage) energy, GWh/year10.515.35.11.4
Volume of curtailment at the solar, GWh/year2.7
LCOES, €/MWh136.7
DOI: https://doi.org/10.14313/jamris-2025-027 | Journal eISSN: 2080-2145 | Journal ISSN: 1897-8649
Language: English
Page range: 75 - 81
Submitted on: May 8, 2024
Accepted on: Jun 9, 2025
Published on: Sep 10, 2025
Published by: Łukasiewicz Research Network – Industrial Research Institute for Automation and Measurements PIAP
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2025 Ihor Buratynskyi, Artur Zaporozhets, published by Łukasiewicz Research Network – Industrial Research Institute for Automation and Measurements PIAP
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.