Management of energy and water resources by minimizing the rejected renewable energy

Bertsiou, Maria Margarita; Baltas, Evangelos

doi:10.1016/j.seta.2022.102002

Cited by 7 publications

(5 citation statements)

References 37 publications

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“…Furthermore, soil erosion contributes to the loss and destruction of the soil cultivation layer, depletes land fertility, accelerates the process of desertification, and diminishes natural forest resources [27]. In the absence of vegetation protection, the ecological environment suffers further damage and adverse impacts, while inefficient water use leads to additional carbon emissions [28] (Fig. 2).…”

Section: Synergistic Mechanisms Between Low-carbon Economy and Water ...mentioning

confidence: 99%

An Empirical Exploration of the Low-Carbon Economy- Water Resource Nexus in China

Gao,

Deng,

Chen

2024

Pol. J. Environ. Stud.

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Utilizing an extensive dataset pertinent to the low-carbon economy and water resources extracted from 30 provinces across China, encompassing the period from 2004 to 2019, we have structured a synergistic model that explores the integrative interplay between the low-carbon economic framework and the water resource system. To assess the composite synergy effects, we employed Kernel density estimation in conjunction with Markov chain analysis, aiming to elucidate the temporal distribution dynamics and the spatial evolutionary patterns of provincial-level synergism within China's low-carbon economy-water resource nexus. Our findings reveal that, over the span from 2005 to 2019, the synergy effect within China's hybridized low-carbon economy-water resource system predominantly occupied a stage of moderate amalgamation, demonstrating a consistent upward trajectory since 2011. Notably, multilevel differentiation of composite system synergy is evident nationally, with pronounced trends of divergence manifesting in the eastern, western, and northeastern provinces. In contrast, the synergy effect exhibited in the central region is characterized by regional heterogeneity, yet the absolute disparities in synergy levels have diminished over time. Moreover, analysis of the synergy degree's rank order status within the composite system indicates a relative stability, punctuated by a 'club convergence' phenomenon. Against the backdrop of global climate change, the interactions between low-carbon economies and water resources have garnered significant attention within the realm of global sustainable development research. Exploring these synergistic relationships offers a potential avenue for identifying effective strategies to manage and harness resources, thereby facilitating economic growth and social advancement while mitigating the pace of global climate change. This paper employs data related to the low-carbon economy and water resources in 30 provinces of China from 2004 to 2019. It constructs a composite system model and an evaluation index system to investigate the synergistic effect between these two factors. The study employs the kernel density estimation method and Markov chain to analyze the distribution dynamics and spatial evolution of the synergy level in the composite system of the low-carbon economy and water resources across each province in China. The results indicate the following: [1] Between 2005 and 2019, the synergy effect of China's low-carbon economy-water resources complex system exhibited a mild level of synergy. Since 2011, the degree of synergy has steadily increased, with the synergy degrees of the low-carbon economy system, water resources system, and their complex systems reaching 0.256, 0.487, and 0.277, respectively, by 2019. [2] The absolute difference in the level of synergy between the low-carbon economy and water resources complex systems in the east, west, and northeast regions demonstrates a significant expansion. However, in the central region, regional differences in the synergy effect ...

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Section: Synergistic Mechanisms Between Low-carbon Economy and Water ...mentioning

confidence: 99%

An Empirical Exploration of the Low-Carbon Economy- Water Resource Nexus in China

Gao,

Deng,

Chen

2024

Pol. J. Environ. Stud.

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“…Generally, studies working at micro and local scales focused on quantifying input-output relationships in coupled water, energy, and food production chains, while articles addressing larger scales assessed the implications of these interlinkages in the wider national and international context. As an example, the micro scale adopted by Bertsiou and Baltas (2022) enabled a detailed quantification and optimization of energy use in a desalination plant, but only a study, performed at the national level, could assess the implications of introducing such alternative water sources in meeting national greenhouse gases (GHG) emissions targets (Martin-Gorriz et al 2014). Thus, choosing the scale of Nexus analysis requires acknowledging the compromise between the level of analytical detail and the complexity of interactions that can be captured.…”

Section: Geographical Scale and Location Of Case Studiesmentioning

confidence: 99%

“…Percentage of articles analysing the listed combination of Nexus components Bertsiou and Baltas 2022). and treatment(Calise et al 2020), water distribution(Lenzi et al 2013), end-use in buildings(Barberán et al 2019, Yoon et al 2022 and wastewater treatment (Odabas ¸Bas ¸and Aydınalp Köksal 2022).…”

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confidence: 99%

A review of water-energy-food-ecosystems Nexus research in the Mediterranean: evolution, gaps and applications

Lucca

Jeitany

Castelli

et al. 2023

Environ. Res. Lett.

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The Water-Energy-Food (WEF) Nexus has gained recognition as an innovative approach for analyzing the interconnectedness of global resource systems and achieving sustainability goals. In the Mediterranean, where water scarcity, climate change, and ecosystem degradation pose significant challenges, implementing an integrated Nexus approach is crucial. Through an integrative review of 136 scientific articles, we found that water-energy interlinkages dominate Nexus research in the Mediterranean, driven by the need for energy-intensive water distribution systems to meet drinking and irrigation water demands. However, the expansion of the Nexus approach to other components is limited, mostly focusing on assessing impacts on the physical environment and climate, without capturing feedback dynamics.Furthermore, Nexus research in the Mediterranean is primarily conducted at isolated case study levels, with few studies working at the entire Mediterranean scale. There is promising evidence of Nexus research expanding to socio-economic interactions, cultural and behavioral change, and resource governance innovations, but these domains remain segregated due to limited integration of methods across disciplines. To advance Nexus implementation in the region, sustainable technology and natural resources management, which are key fields of operationalization, would benefit from harmonization.In conclusion, Nexus research in the Mediterranean would benefit from integrating knowledge in multi-scale, multi-sector, and multi-dimensional frameworks to support technological, socio-economic, and governance interventions. This would enable a more comprehensive and coherent approach towards achieving water, food, and energy security while preserving the environment in the Mediterranean region.

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“…This intermittent behavior makes it challenging to predict and manage energy supply, requiring new approaches to energy management and storage [14,15]. Also, excess energy from wind and solar systems can contribute significantly to better water and energy management with the integration of a storage system [16]. Finally, transitioning to RESs will require significant government, financial, and social support [17].…”

Section: Introductionmentioning

confidence: 99%

Integration of Different Storage Technologies towards Sustainable Development—A Case Study in a Greek Island

Bertsiou,

Baltas

2024

Wind

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The necessity for transitioning to renewable energy sources and the intermittent nature of the natural variables lead to the integration of storage units into these projects. In this research paper, wind turbines and solar modules are combined with pumped hydro storage, batteries, and green hydrogen. Energy management strategies are described for five different scenarios of hybrid renewable energy systems, based on single or hybrid storage technologies. The motivation is driven by grid stability issues and the limited access to fresh water in the Greek islands. A RES-based desalination unit is introduced into the hybrid system for access to low-cost fresh water. The comparison of single and hybrid storage methods, the exploitation of seawater for the simultaneous fulfillment of water for domestic and agricultural purposes, and the evaluation of different energy, economic, and environmental indices are the innovative aspects of this research work. The results show that pumped hydro storage systems can cover the energy and water demand at the minimum possible price, 0.215 EUR/kWh and 1.257 EUR/m3, while hybrid storage technologies provide better results in the loss of load probability, payback period and CO2 emissions. For the pumped hydro–hydrogen hybrid storage system, these values are 21.40%, 10.87 years, and 2297 tn/year, respectively.

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Management of energy and water resources by minimizing the rejected renewable energy

Cited by 7 publications

References 37 publications

An Empirical Exploration of the Low-Carbon Economy- Water Resource Nexus in China

An Empirical Exploration of the Low-Carbon Economy- Water Resource Nexus in China

A review of water-energy-food-ecosystems Nexus research in the Mediterranean: evolution, gaps and applications

Integration of Different Storage Technologies towards Sustainable Development—A Case Study in a Greek Island

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