Erratum to: “Levelised Cost of Storage for Pumped Heat Energy Storage in comparison with other energy storage technologies” [Energy Convers. Manage. 152 (2017) 221–228]

Smallbone, Andrew; Jülch, Verena; Wardle, Robin; Roskilly, Anthony Paul

doi:10.1016/j.enconman.2020.112668

Cited by 4 publications

(5 citation statements)

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“…Thus, a proper comparison of different technologies should also factor in the cost of nondispatchability, for example, the expenses to build the energy storage system to make dispatchable the supply to the grid and the loss of electricity passing through the energy storage system. [12][13][14] Finally, the concept of a Levelized cost of storage, [15][16][17][18] also subject to decay, [18] to be coupled to the LCOE, is making the way to inform decisions by policymakers. [19][20][21][22]…”

Section: Discussionmentioning

confidence: 99%

Capacity Factors over the Lifetime of Solar Thermal and Photovoltaic Plants

Boretti¹

2023

Energy Tech

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The levelized cost of energy (LCOE) encompasses capital costs, operations and maintenance (O&M), and performance over the lifetime of a power plant. This parameter, important to compare renewable energy projects, is computed assuming an annual relative performance deterioration over the lifetime of the plant. The performance deterioration is revised to reflect operating data of the latest solar photovoltaic (PV) and concentrated solar power (CSP) plants. From data for the largest of these plants built in the United States over the last decade, we note a marked initial growth phase in the performance of PV plants likely originating from a refinement of design and improvement in the O&M, followed by a limited decline, and a stable performance in the CSP plants of the simplest and more reliable parabolic trough (PT) design without thermal energy storage (TES). It is therefore suggested to consider an annual performance deterioration 0–0.25% for novel photovoltaic plants, and 0% for novel CSP plants PT without TES. The performance deterioration of the novel CSP plants of the solar tower design or plants with TES cannot be assessed based on the lack of data. The suggested changes slightly reduce the LCOE of solar plants, by thus making them more competitive with wind plants.

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Section: Discussionmentioning

confidence: 99%

Capacity Factors over the Lifetime of Solar Thermal and Photovoltaic Plants

Boretti¹

2023

Energy Tech

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“…Hence, massive electrical storage including a TES is a major option to further enlarge the implementation of volatile renewable electricity sources. Currently, several electrical storage concepts including a large‐scale TES system are examined 119–121. These non‐commercial electrical storage concepts with a relation to molten salt storage are listed in the following Tab.…”

Section: Molten Salt Storage Opportunities For Electrical Storagementioning

confidence: 99%

Molten Salt Storage for Power Generation

Bauer

Odenthal

Bonk

2021

Chemie Ingenieur Technik

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Storage of electrical energy is a key technology for a future climate‐neutral energy supply with volatile photovoltaic and wind generation. Besides the well‐known technologies of pumped hydro, power‐to‐gas‐to‐power and batteries, the contribution of thermal energy storage is rather unknown. At the end of 2019 the worldwide power generation capacity from molten salt storage in concentrating solar power (CSP) plants was 21 GWhel. This article gives an overview of molten salt storage in CSP and new potential fields for decarbonization such as industrial processes, conventional power plants and electrical energy storage.

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“…[1] R&D projects on electrochemical energy storage, e.g., lithiumion batteries, are currently on focus for automotive and household applications, although their large unit costs make them unsuited for large-scale storage. [2] In contrast to the aforementioned technologies, TES systems are more suitable for large capacities at comparably low unit costs. Moreover, they can provide flexibility for matching the supply and demand of heat in industrial processes.…”

Section: Introductionmentioning

confidence: 99%

“…Among different technologies, pumped hydro energy storage systems represent the state of the art, with the largest installed capacity, but their potential is limited . R&D projects on electrochemical energy storage, e.g., lithium‐ion batteries, are currently on focus for automotive and household applications, although their large unit costs make them unsuited for large‐scale storage …”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Analysis of High‐Temperature Energy Storage Concepts Based on Liquid Metal Technology

et al. 2019

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Within the thermal energy storage (TES) initiative NAtional Demonstrator for IseNtropic Energy storage (NADINE), three projects have been conducted, each focusing on TES at different temperature levels. Herein, technical concepts for using liquid metal technology in innovative high‐temperature TES systems are dealt with. This approach implies some challenges; first, the unit costs are relatively large which makes a reduction of the mass inventory necessary. Second, the high thermal diffusivity, which is beneficial in any heat exchanger unit, reduces the efficiency in a single‐tank TES due to the fast degradation of the thermocline. These limitations can be overcome using a nonexpensive solid filler material, and, if properly designed, similar performance as in state‐of‐the‐art molten salt systems can be obtained, while maintaining the advantage of operating at temperatures well beyond their upper limit. Optimization strategies are presented for a reference case including transient behavior of the whole system. The sensitivity of multiple parameters, e.g., porosity, particle size, and influence of storage capacity regarding the discharge efficiency, is investigated.

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Erratum to: “Levelised Cost of Storage for Pumped Heat Energy Storage in comparison with other energy storage technologies” [Energy Convers. Manage. 152 (2017) 221–228]

Cited by 4 publications

References 1 publication

Capacity Factors over the Lifetime of Solar Thermal and Photovoltaic Plants

Capacity Factors over the Lifetime of Solar Thermal and Photovoltaic Plants

Molten Salt Storage for Power Generation

Thermodynamic Analysis of High‐Temperature Energy Storage Concepts Based on Liquid Metal Technology

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