Dynamic, multi-objective optimal design and operation of water-energy systems for small, off-grid islands

Giudici, Federico; Castelletti, Andrea; Garofalo, Elisabetta; Giuliani, Matteo; Maier, Holger R.

doi:10.1016/j.apenergy.2019.05.084

Cited by 46 publications

(18 citation statements)

References 56 publications

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“…The approach consists in a pure planning problem aimed at identifying the nominal rating of each technology that minimizes the levelized cost of electricity over a medium/long term horizon (Shaahid and Elhadidy, 2007;Deshmukh and Deshmukh, 2008;Anglani and Muliere, 2010;Geraili et al, 2014;Dong et al, 2016;Mohamed and Eltamaly, 2018). Improvements of this approach directly address the interconnection between energy and water system by identifying optimal demand side management strategies, which operate the desalination plant as a non-conventional storage technology, in order to increase RES penetration and the overall island sustainability (Kaldellis et al, 2004;Kaldellis et al, 2006;Spyrou and Anagnostopoulos, 2010;Bourouni et al, 2011;Clarke et al, 2015;Airoldi et al, 2016;Mentis et al, 2016;Segurado et al, 2016;Corsini and Tortora, 2017;Giudici et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Numbers refer to the IDs reported in Table 1. (Corsini et al, 2005;Delvecchio et al, 2005;Andaloro et al, 2012;Gatta et al, 2018;Giudici et al, 2019). On the contrary, only few works focus on identifying effective measures for promoting RES investments (e.g., incentives mechanisms), and providing policy recommendations for further improving the islands sustainability (Antonelli and Desideri, 2014;Sanseverino et al, 2014;Ciriminna et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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A Methodological Framework for Fostering Renewable Investments on Photovoltaic in Small Italian Islands

2020

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Methodological Framework for Fostering Renewable Investments on Photovoltaic in Small Italian Islands

2020

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“…Case studies in pairing reverse osmosis plants with RES have been dedicated to locations of varying scales: islands [10][11][12], edge-of-grid rural communities [13], and large coastal cities [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…The power and water production costs decreased by 27%, and the CO 2 emissions decreased by 67% in relation to the values foreseen for 2020 [11]. Giudici et al [12] proposed a dynamic multi-objective approach to optimize the operation of an integrated water-power system of small off-grid islands. The case study considered was the island of Ustica, in Italy.…”

Section: Introductionmentioning

confidence: 99%

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Is Renewable Energy-Powered Desalination a Viable Solution for Water Stressed Regions? A Case Study in Algarve, Portugal

2019

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With a severe seasonal concentration of precipitation and unevenly distributed water resources, the water supply in Portugal is under stress, and the problem is expected to increase with climate change. Water desalination is increasingly becoming the preferred solution to fight water scarcity, but, because it is energy-intensive, the underlying costs and sustainability concerns over the power sources chosen remain a challenge to its implementation. This study aims to assess if the introduction of renewable energy sources (RES) powered desalination in mainland Portugal is viable and can contribute to guarantee water security. The Portuguese Algarve region is a viable case study to be considered because it is particularly water stressed and subject to highly varying demographics depending on the season. Taking the region’s freshwater demand, hourly RES production and power demand, a cost analysis was performed in order to obtain the levelized cost of water (LCOW) for two different strategies (centralized and decentralized). Two models were developed to estimate the LCOW: a simplified model and a subsequent optimization model, minimizing electricity costs. The resulting LCOW of 72.66 c€/m3, obtained for the decentralized solution, fits within the industry standard rate despite being 61.3% higher than the estimated conventional water supply production cost.

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Tri‐objective optimization of a synergistic wind‐photovoltaic plant for water desalination addressing sustainable development goals

Saboori

Mehrjerdi

2022

Sustainable Development

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The sixth goal of the Sustainable Development Goals (SDGs) announced by the United Nations addresses water and sanitation; its first target is providing safe and affordable drinking water. Water desalination is introduced as a viable alternative considering the present situation of the water resources and their consumption and pollution. However, desalination processes' high energy intensity conflicts with energy and climate-related SDGs. Correspondingly, the first target of SGD 6 can be translated to an affordable, eco-friendly, and reliable water desalination. However, these objectives are conflicting considering the current status of desalination.Accordingly, this article proposes a novel multi-objective model by quantifying the interweaved sustainable development goals for water desalination. To this end, a tri-objective mixed-integer linear model is developed to compromise the abovementioned goals, that is, water production cost, supply reliability, and carbon emission. The proposed water desalination system is fed by a combined wind-photovoltaic-diesel system, employs power and water storage, and seeks a trade-off solution based on the planner's preferences. The model is flexible in terms of the degree of achievement of each goal. A detailed analysis is performed, enabling the decisionmaker to comprehend the goals interlinkage based on the degree of achievements and deterioration concerning the other goals.

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Dynamic, multi-objective optimal design and operation of water-energy systems for small, off-grid islands

Cited by 46 publications

References 56 publications

A Methodological Framework for Fostering Renewable Investments on Photovoltaic in Small Italian Islands

A Methodological Framework for Fostering Renewable Investments on Photovoltaic in Small Italian Islands

Is Renewable Energy-Powered Desalination a Viable Solution for Water Stressed Regions? A Case Study in Algarve, Portugal

Tri‐objective optimization of a synergistic wind‐photovoltaic plant for water desalination addressing sustainable development goals

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