Abstract
This paper aims to develop a mixed integer linear programming model for optimal sizing of a concentrated solar power system with thermal energy storage. A case study is provided to demonstrate the utility and practicality of the developed model based on a residential area in Saudi Arabia. The optimal configuration comprises a solar field area of 146,013 square meters which will generate energy at 0.115 $/kWh. The renewable system demonstrates significant environmental benefits by reducing carbon dioxide emissions by more than 96% compared to the grid. The obtained results of the proposed system are validated by benchmarking against other systems in the literature. This research contributes to the field by providing a methodological approach for optimal sizing of renewable energy systems, addressing the critical issues of environmental impact and natural resources depletion.
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The data that support the findings of this study are available from the corresponding author upon request.
Abbreviations
- \(P\left(t\right)\) :
-
Hourly power generated by the receiver of a parabolic trough system
- \({\eta }_{SF}\) :
-
Efficiency of solar field
- \(DNI\left(t\right)\) :
-
Hourly direct normal irradiation
- \({A}_{SF}\) :
-
Solar field aperture area
- \({Q}_{u}\left(t\right)\) :
-
Net useful energy
- \({\eta }_{REC}\) :
-
Energy losses from solar field receivers, thermal heat fluid piping circuit, and thermal energy storage system
- \({\eta }_{THF}\) :
-
Energy losses from solar field receivers, thermal heat fluid piping circuit, and thermal energy storage system
- \({\eta }_{TES}\) :
-
Energy losses from solar field receivers, thermal heat fluid piping circuit, and thermal energy storage system
- \({E}_{CSP}\left(t\right)\) :
-
Hourly useful energy produced by the concentrating solar power system,
- \({\eta }_{PB}\) :
-
Power block efficiency
- LPSP :
-
Loss of Power Supply Probability
- \({\eta }_{par}\) :
-
Parasitic consumption efficiency
- \({\eta }_{AC}\) :
-
Losses during the electric conversion
- \(CF\) :
-
Capacity factor
- \({C}_{csp}\) :
-
Concentrating solar power plant capacity
- T :
-
Number of hours in years
- SM :
-
Solar multiple
- CRF :
-
Capital recovery factor
- n :
-
Project lifetime and i is the annual real interest rate
- MILP :
-
Mixed integer linear programming
- \({E}_{acc}\left(t\right)\) :
-
Hourly accumulated energy in the thermal energy storage
- \(\varepsilon\) :
-
Maximum allowable value for loss of power supply probability
- \({A}_{AV}\) :
-
Area of the land available excluding the areas for piping, thermal energy storage, and power blocks
- \({E}_{ch}\left(t\right)\) :
-
Energy excess stored to the thermal energy storage during hours of high DNI
- M :
-
Big number
- z :
-
Binary variable for thermal energy storage charging and discharging
- \({E}_{dis}\left(t\right)\) :
-
Thermal energy storage system is discharging energy that is equal to shortage
- IC :
-
Capital cost of concentrated solar power system components
- \(MC\) :
-
Annual operation and maintenance costs of the system
- \(RC\) :
-
System replacement cost
- \(SV\) :
-
System salvage value
- \({o\&m}_{sf}\) :
-
Annual operation and maintenance cost of the solar field in ($/m2)
- \({o\&m}_{HTS}\) :
-
Annual operation and maintenance cost of heat transfer system in ($/m2)
- \({o\&m}_{TES}\) :
-
Annual operation and maintenance cost of thermal energy storage system in ($/m2)
- \({o\&m}_{PB}\) :
-
Annual operation and maintenance cost of the power block in ($/kW)
- \({IC}_{sf}\) :
-
Initial investment cost including owner cost, indirect cost, and the purchasing cost of solar field in ($/m2)
- \({IC}_{HTS}\) :
-
Capital cost of the heat transfer system that represents the fluid cycle in ($/m2)
- \({IC}_{TES}\) :
-
Capital cost of thermal energy storage system in ($/m2)
- \({IC}_{PB}\) :
-
Capital cost of the power block in ($/kW)
- \({E}_{L}\left(t\right)\) :
-
Hourly energy load requirement
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The authors express their gratitude to the King Fahd University of Petroleum and Minerals (KFUPM) for supporting this study.
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Ghaithan, A.M. An optimization model for sizing a concentrated solar power system with thermal energy storage. Energy Syst (2024). https://doi.org/10.1007/s12667-024-00659-7
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DOI: https://doi.org/10.1007/s12667-024-00659-7