A sustainability assessment of electricity supply systems

Mulongo, Ndala Yves; Kholopane, P.

doi:10.1109/iea.2018.8387164

Cited by 2 publications

(3 citation statements)

References 31 publications

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“…In simple terms, since the avoided cost can be seen as the potential revenues of the candidate project and the LCOE as the cost to produce electricity, if the LACE is higher than the LCOE, the related plant is considered as economically attractive. Thanks to the fact the LACE considers many different local and dispatchable parameters to calculate its final value, if considered when comparing CSP plants to other options, it can boost the CSP option among the others (especially when the thermal/electrical storage is included in the analysis) [27].…”

Section: Economic Considerations Of Grid-connected Csp Towers and The Business Opportunity For Thermal Energy Storagementioning

confidence: 99%

“…Molten-salt central receiver plants report LCOE values between 10.2 c€/kWh (Cerro Dominador) and 0.66 €/kWh (Dewa CSP complex) depending on many different factors [18,31]. Alternative indicators such as the MLCOE, the LACE and the MLACE could be taken into account for a fairer comparison between renewable alternatives [25,27,76]. Even the cost of storing electricity with large-scale batteries will be an indicator for the future development of CSP installations [21].…”

Section: Economicmentioning

confidence: 99%

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Overview of the Enablers and Barriers for a Wider Deployment of CSP Tower Technology in Europe

Aprà¹,

Sterling²,

Loureiro³

2021

Clean Technol.

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For years, concentrated solar power (CSP) has been considered an emerging technology that could disrupt the energy production sector . The possibility to store the electricity generated during the sunny operating hours in the form of heat enhances energy dispatchability and gives CSP a unique value proposition that conventional renewable energies cannot provide cost-efficiently since it requires the integration of costly large-scale battery systems. CSP is a cleaner technology compared to photovoltaics, but photovoltaics currently has lower overall capital costs, making it more attractive to investors and stakeholders who want to spend less money upfront, . This is one of the main reasons why CSP has never really led either the electricity market or the heating one, even if its combined generation capability (heat and electricity) is globally recognized as a great advantage for a renewable technology. In this study, we analyze the reasons why CSP is not as widespread as it could be; at the same time, we look at the opportunities and the enablers for a further deployment of this technology, focusing on the European region.

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Section: Economic Considerations Of Grid-connected Csp Towers and The Business Opportunity For Thermal Energy Storagementioning

confidence: 99%

Section: Economicmentioning

confidence: 99%

Overview of the Enablers and Barriers for a Wider Deployment of CSP Tower Technology in Europe

Aprà¹,

Sterling²,

Loureiro³

2021

Clean Technol.

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“…S OCIETAL and environmental concerns have increased the interest in sustainable power sources and the rational use of the electric energy [1]. The ongoing electrification of loads and the consequent electrical power demand growth is forcing grids toward more complex architectures capable of interconnecting several decentralized energy sources [4].…”

Section: Introductionmentioning

confidence: 99%

Revisiting the Partial Power Processing Concept: Case Study of a 5-kW 99.11% Efficient Flyback Converter-Based Battery Charger

Granello¹,

Soeiro²,

Blij³

et al. 2022

IEEE Trans. Transp. Electrific.

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This article proposes an analytical methodology to evaluate the performance of the main partial power processing (PPP) architectures in terms of the improvements in the system's conversion efficiency. This analysis considers the influence of the system's voltage gain, the auxiliary dc/dc converter's efficiency, and the possibility of bidirectional power flow. Herein, the key PPP architectures are, thus, modeled and benchmarked. The presented results attest to the series configuration as the most efficient PPP circuit solution, with no limits on the system voltage gain, contrary to the generalized results found in today's literature. To assess these results and the significance of the proposed analysis, a well-known, simple, and cost-effective flyback topology has been designed and tested for a series PPP circuit solution able to effectively interface a 5-kW battery energy storage system (BESS) to a 700-V dc grid. A relatively high power conversion efficiency and compact hardware are achieved due to the reduced size requirements on the input and output filtering stages. Above all, while explaining the PPP concept, this study shows that even converter circuits known for their low power efficiency can be used to derive highly efficient systems. A design approach is, thus, provided to facilitate the design of the presented PPP circuit, and measurements are, finally, carried out to compare the obtained results with the expected ones derived from the developed analytical models.

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A sustainability assessment of electricity supply systems

Cited by 2 publications

References 31 publications

Overview of the Enablers and Barriers for a Wider Deployment of CSP Tower Technology in Europe

Overview of the Enablers and Barriers for a Wider Deployment of CSP Tower Technology in Europe

Revisiting the Partial Power Processing Concept: Case Study of a 5-kW 99.11% Efficient Flyback Converter-Based Battery Charger

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