Energetic-Environmental-Economic Feasibility and Impact Assessment of Grid-Connected Photovoltaic System in Wastewater Treatment Plant: Case Study

Andrei, Horia; Badea, Cristian Andrei; Andrei, Paul Cristian; Spertino, Filippo

doi:10.3390/en14010100

Cited by 17 publications

(7 citation statements)

References 31 publications

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“…The parameters mentioned in Table 21 are fetched by the commercial PV software from its library of components from different manufacturers. These values can vary depending upon the location and manufacturer, similar to the studies [82][83][84].…”

Section: Technicalmentioning

confidence: 80%

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A General Framework for Multi-Criteria Based Feasibility Studies for Solar Energy Projects: Application to a Real-World Solar Farm

et al. 2021

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The growth of solar energy is projected to slow down during 2023–25 despite the fall in costs due to economic deceleration, reduced incentives, and market barriers including the lack of relevant and flexible energy project planning and decision-making tools. This study proposes a flexible and computationally simple multi-criteria decision analysis (MCDA)-based model that takes technical, financial, environmental, social and legal aspects of all project options as input and outputs a feasibility score for each option, which enables ranking the options and identifying the best alternative. The proposed model is applied to a real-world photovoltaic solar farm planned at a site in England and comprising nine different configurations formed by varying system capacity, energy storage option, mode of stakeholder, and network connections. The results of our study show that in this case the options without battery storage and a greater number of off-taker connections are more favorable than the options with battery storage. The analysis also shows that for the solar farm of the presented case study, ‘self-consumption fraction’ and ‘energy yield’, ‘net present value’, ‘life-cycle carbon emission reduction’, ‘ease of permit acquisition’ and ‘public approval’ are key sub-criteria for ‘technical’, ‘financial’, ‘environmental’, and ‘social and legal’ criteria, respectively. A sensitivity analysis was conducted to assess the confidence on the obtained solution, and a change in the first preference was noticed when ‘environmental’ and ‘social and legal’ aspects are given higher weight over ‘technical’ and ‘financial’ aspects. The results obtained are in line with the recommendations by experts, who carried out an independent feasibility analysis considering the same options.

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Section: Technicalmentioning

confidence: 80%

“…Table 23 summarizes the assumptions considered during the financial analysis. Some of these assumptions are specific to geographical location and can vary by some margin, similar to the reference [82]. The UK's base inflation rate was 2.1 at the point of this analysis and was adjusted conservatively.…”

Section: Financialmentioning

confidence: 99%

A General Framework for Multi-Criteria Based Feasibility Studies for Solar Energy Projects: Application to a Real-World Solar Farm

et al. 2021

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“…The results of the studies carried out in different places are generally reflected as operational outputs. Moreover, the ReCiPe method helps in accessing results in the three primary categories for determining endpoint, namely: quality of the ecosystem, resources, and human health [10]. The various factors considered under the quality of the ecosystem are noted below:  "Agricultural land"  Occupation  Climate Change  "Marine Eco-toxicity"  "Freshwater Eutrophication Potential" (FEP)  "Terrestrial Eco-toxicity Potential" (TETP)  "Freshwater Eco-Toxicity Potential" (FETP)  "Global Warming Potential" (GWP) Similarly, human health can also be sub-divided into various sub-categories for better understanding of the impact of "wastewater treatment plants".…”

Section: Resultsmentioning

confidence: 99%

The Life Cycle Installation Assessment of Wastewater Treatment Plants in the Indian Sub-Continent

Chauhan¹,

Shekhar²,

Rahul³

et al. 2022

eer

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The life cycle installation process for wastewater treatment is the advanced treatment assessment measure for the wastewater treatment and reuse of water resources. Utilizing the methods and concepts of "Life Cycle Assessment" for wastewater treatment and reuse of water is carried out using LCA software like Umberto, SimaPro, Gabi, etc based on the infirmity of calculations of "Life Cycle Inventory Data". LCA method helps in analyzing the various emissions and impacts of the "wastewater treatment plant" (or WWTP). A secondary data analysis study is designed on the basis of various data and information collected from 15 research papers with applicable and defined sources on wastewater treatment plants in India and LCA method. The data analysis configured the positive impact of the researched categories. LCA data analysis provided the idea that positive effects tend to override the negative impacts of recycling wastewater treatment process. The assessed categories for LCA data analysis are "global warming potential", "eco-toxicity potential", "fossil depletion potential" "particulate matter formation" and so on, which are highlighted in this project. The negative impacts can be associated with the effects of untreated sewage and compost produced by the "wastewater treatment process". The project analyses and evaluates the various aspects of the "life cycle assessment" application in the "wastewater treatment plants" in the Indian subcontinent. This is done particularly in the Madurai city, of the Indian subcontinent. The LCA assessment highlights the environmental impact of the water purification processes adopted in the mentioned waterplant. The ecological impact is measured on various scales like "ecological toxicity", "marine toxicity", "freshwater Eutrophication" etc. Similarly, the assessment highlights the impacts on the resources like fossil fuels, and most importantly on the human health. In addition, the project also highlights the various mitigation measures and techniques to increase the ecological efficiency of the wastewater processes.

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“…More recent papers have carried out a quantitative analysis of the solar energy generated from WWTPs where specific 105 Californian WWTPs were examined, of which 41 installed a solar PV system [18]. In [19], it was shown that the synergy of small and medium WWTPs with PV is of great interest from an energetic/environmental/economic point of view; it was stated that "this synergy is worth exploring and implementing on a large scale for all new WWTP". Therefore, more studies are necessary.…”

Section: Introductionmentioning

confidence: 99%

Direct Method to Design Solar Photovoltaics to Reduce Energy Consumption of Aeration Tanks in Wastewater Treatment Plants

Zacchei

Colacicco²

2022

Infrastructures

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Photovoltaic (PV) energy systems are considered good renewable energy technologies due to their high production of clean energy. This paper combines a PV system with wastewater treatment plants (WWTPs), which are usually designed separately. For this, a recent methodology was adopted, which provides direct steps to estimate the peak powers of PV plants (PVPs) by using the airflow of blowers. The goal was to reduce the energy consumption of aeration tanks in WWTPs. Analytical equations and parameters based on the air temperature, solar irradiation, biological kinetic, dissolved oxygen, and mechanical oxygenation are adopted. The key parameter in this methodology is the air temperature variation that represents an approximated temperature in the WWTP’s oxidation tanks. It is shown, through the analysis of small WWTPs, that since the temperature changes for each season, there is a peak in the function of the quantity of oxidation, which is high in the summer season. Further, the curve trends of temperature for WWRPs are similar to PVPs. Therefore, it could be possible to design the PV system with the WWTPs well. The results show that the air temperature curves increase in a directly proportional way with the consumption of energy from oxidation blowers; this could induce a more conservative PVP design. Furthermore, the results show that the mean trend of the energy consumption of the analyzed aeration systems reaches about 8.0% at a temperature of 20–25 °C, covering a good part of the oxidation tank consumption.

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Energetic-Environmental-Economic Feasibility and Impact Assessment of Grid-Connected Photovoltaic System in Wastewater Treatment Plant: Case Study

Cited by 17 publications

References 31 publications

A General Framework for Multi-Criteria Based Feasibility Studies for Solar Energy Projects: Application to a Real-World Solar Farm

A General Framework for Multi-Criteria Based Feasibility Studies for Solar Energy Projects: Application to a Real-World Solar Farm

The Life Cycle Installation Assessment of Wastewater Treatment Plants in the Indian Sub-Continent

Direct Method to Design Solar Photovoltaics to Reduce Energy Consumption of Aeration Tanks in Wastewater Treatment Plants

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