Exploring the roles of storage technologies in the Spanish electricity system with high share of renewable energy

Huclin, Sébastien; Ávila, José Pablo Chaves; Ramos, Andrés; Abbad, Michel Luis Rivier; Freire-Barceló, Teresa; Martínez, Francisco Martín; Román, Tomás Gómez San; Miralles, Álvaro Sánchez

doi:10.1016/j.egyr.2022.03.032

Cited by 16 publications

(9 citation statements)

References 22 publications

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“…), and contributions (Who and in what dimensions is the flexibility provided?). Applying the discrete Fourier transform to the net demand, the authors (Huclin et al, 2023) found that half a day, a day, and a week are the relevant time scopes for analyzing the operational flexibility dimensions in several European countries.The results obtained by (Huclin et al, 2022) are in line with similar studies focused on power system operational flexibility (Heggarty et al, 2020;Saarinen and Tokimatsu, 2021). A similar flexibility assessment framework is presented in (Lannoye, Flynn, and O'Malley, 2012).…”

Section: Flexibility Assessmentsupporting

confidence: 82%

Analysis of different flexible technologies in the Spain NECP for 2030

Ramos,

Huclin,

Chaves

2023

Front. Built Environ.

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This paper proposes three dimensions relevant to the flexibility assessment: power gradient (i.e., ramps), power during critical hours, and energy available at different timescales. A two-phase procedure analyzes an electric system’s flexibility to cope with renewables’ integration. The first step determines the margin on the three flexibility metrics. The second one runs a cost-based operation model to determine how these dimensions are covered. The ramp margin computed shows that a critical net demand ramp happens when solar power reduces its generation, but the projected Spanish system in 2030 can still cope with this upward ramp. Different flexible technologies cover the weekly energy variation of the net demand (demand minus non-dispatchable generation). This shows the high contribution of storage hydro and open-loop pumped-hydro storage to this variation. Flexible technologies supply upward and downward ramps of the net demand. Batteries and new closed-loop pumped-hydro storage are the storage technologies that contribute the most to these net-demand ramps. We also show that existing and new closed-loop pump-hydro storage generate more in the critical net-demand hours, having a high capacity factor, almost double the batteries.

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Section: Flexibility Assessmentsupporting

confidence: 82%

Analysis of different flexible technologies in the Spain NECP for 2030

Ramos,

Huclin,

Chaves

2023

Front. Built Environ.

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“…For other applications, sample power systems with IEEE transmission networks were employed to test PSPs and prove the systems' stability. For instance, natural power systems are in China [23][24][25][26][27][28][29][30], Iran [31][32][33][34], Portugal [35], and Spain [36][37], while sample tests are an IEEE 14-bus transmission network [38] and a 24-bus transmission network [39].…”

Section: Figure 1 Configuration and Operation Of A Typical Pspmentioning

confidence: 99%

“…At other hours, with the lack of wind power, the power energy from the stored water could supply the high load demand. Two studies [36][37] investigated the contributions of energy storage systems to lessening fuel costs and demand of loads for Spanish power systems. The study [36] considered one PSP as a storage system, while the storage system in [37] was a combination of batteries and PSPs in which the capacity of batteries was a very low rate of PSPs.…”

Section: Figure 1 Configuration and Operation Of A Typical Pspmentioning

confidence: 99%

“…Two studies [36][37] investigated the contributions of energy storage systems to lessening fuel costs and demand of loads for Spanish power systems. The study [36] considered one PSP as a storage system, while the storage system in [37] was a combination of batteries and PSPs in which the capacity of batteries was a very low rate of PSPs. In the study [38], a complicated system considering an IEEE 14-bus grid was supplied by WPs, SPPPs, TPs, and one PSP.…”

Section: Figure 1 Configuration and Operation Of A Typical Pspmentioning

confidence: 99%

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The Combination of Energy Storage and Renewable Energies to Reach a Maximum Profit for Power Systems

Kien,

Tuyet,

Phan

et al. 2023

IEEE Access

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This paper investigates the effectiveness of the water storage and electricity generation of a pumped-storage hydroelectric plant (PSP) for maximizing total electricity sale revenue of one day as it is integrated into a hybrid power system with the presence of wind power plants (WP) and solar photovoltaic power plants (SP). Four study cases with different rated powers of PSP, including 50, 75, 100 and 125 MW, are implemented to find the most suitable capacity, the optimal hours for water storage and the optimal generation for other hours of the considered PSP. Similarly, the four cases are also investigated for another hybrid power system with the same WP and SP, but PSP is replaced with another conventional hydroelectric plant (CHEP), which does not have a storage function. Five optimization algorithms, including Slime mould algorithm (SMA), Equilibrium optimizer (EO), Jellyfish Algorithm (JS), Coot optimization algorithm (COOT) and War Strategy optimization Algorithm (WSO), are implemented for two hybrid power systems. As a result, EO is the highest performance method with superiority over others in almost all cases. The second hybrid system with PSP can reach a greater revenue than the first hybrid system with CHEP by $31,638, which is about 11% of the total revenue of the first system. In addition, the second system only uses a PSP with a rated power of 75 MW, but the first system must use a higher rated power of 100 MW for CHEP. Clearly, PSP is very effective for hybrid power systems with the integration of renewable power plants in reaching maximum total revenue. However, the comparisons among study cases also indicate that the rated power of PSP should be carefully calculated, otherwise, PSP is no longer applicable.

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“…The renewable energy sources are characterized by their variation in space and time [1]. Power storage systems are required to smooth out these fluctuations [2] [3]. Ammonia is a promising long-time chemical storage medium and has the potential to become the carbon-free substitute for conventional fuels for multiple purposes: thermal engines, gas turbines and fuel cells [4] [5] [6][7] [8][9].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Simulation of a Novel Small-scale Power to Ammonia Concept

Pascal¹,

Koschwitz²,

Bellotti³

et al. 2022

Preprint

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Ammonia is a promising energy vector and storage means for hydrogen. Power to ammonia (P2A) processes employ renewable energy to split water to provide the hydrogen for the Haber-Bosch ammonia synthesis. The fluctuating nature of the renewables requires a good dynamic behavior of these cycles.Employing the software Aspen Plus Dynamics®, this paper investigates the dynamic behavior of a novel containerized P2A solution, which is going to be tested at the University of Genova in 2023.The simulation results of the start-up, various load changes and the shutdown of the process suggest that the control architecture can handle all cases in a satisfactory way.However, there seems to be room for improvement regarding the parameters of some controls.

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Exploring the roles of storage technologies in the Spanish electricity system with high share of renewable energy

Cited by 16 publications

References 22 publications

Analysis of different flexible technologies in the Spain NECP for 2030

Analysis of different flexible technologies in the Spain NECP for 2030

The Combination of Energy Storage and Renewable Energies to Reach a Maximum Profit for Power Systems

Dynamic Simulation of a Novel Small-scale Power to Ammonia Concept

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