A primary offshore wind farm site assessment using reanalysis data: a case study for Samothraki island

Nezhad, Meysam Majidi; Neshat, Mehdi; Groppi, Daniele; Marzialetti, Pablo; Heydari, Azim; Sylaïos, Georgios; Garcia, Davide Astiaso

doi:10.1016/j.renene.2021.03.045

Cited by 46 publications

(22 citation statements)

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“…Since buildings are usually connected to external energy supply networks (gas, electricity) and due to the discontinuous nature of renewable sources [27], the nearly zero value concerns the balance between withdrawn energy and self-produced energy, consumed directly or fed into the national grid [28]. That is why city planning becomes crucial for the production and consumption of energy [29].…”

Section: Introductionmentioning

confidence: 99%

Transforming a Historic Public Office Building in the Centre of Rome into nZEB: Limits and Potentials

et al. 2022

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According to the last census of 2019, about two million Italian buildings are more than 100 years old. Building energy retrofitting involves a diverse mix of influencing factors, depending on history, intended use, and construction techniques. This paper aims to assess the energy needs of a historic building by evaluating the variability of climatic conditions and internal loads, as well as the thermal capacity of the building envelope. The energy analysis was conducted using dynamic simulation systems (TRNSYS). The purpose of the study is to provide an analysis of the current energy conditions of the building to identify the main critical issues and suggest the most suitable interventions to be implemented. All the transformations were conducted to meet the nZEB requirements and evaluate technical and economic feasibility, compatibility with architectural and landscape constraints, and large-scale replicability. Specifically, to reach the proposed targets, a 36 kWp PV system was implemented for an area of 210 m2, in addition to the Air Handling Unit (AHU) already present. The profit index is above the unit, and it yields a time range between three and four years. Therefore, fully respecting the energy performance parameters required by the Italian legislation, the study demonstrated the unattainability of the nZEB class for a listed building.

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Section: Introductionmentioning

confidence: 99%

Transforming a Historic Public Office Building in the Centre of Rome into nZEB: Limits and Potentials

et al. 2022

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“…There are several reanalysis datasets available, but ERA5 has finer temporal and spatial resolution among all. The details about reanalysis datasets and compiling organizations are presented in Nezhad et al (2021b). ERA5 data provides wind data having temporal resolution of 1-hour, spatial resolution of 30 km (0.28125° × 0.…”

Section: Introductionmentioning

confidence: 99%

“…28125°), elevation levels of 10 and 100 m and 137 pressure levels from 1979 to date (Kardakaris et al, 2021; Olauson, 2018). The use of satellite and reanalysis data has been reported for wind resource assessment in previous studies (Gil Ruiz et al, 2021; Kistler et al, 2001; Kokkos et al, 2021; Majidi Nezhad et al, 2021a; Nezhad et al, 2021b, 2021c). The quality and accuracy of reanalysis data is important to evaluate before its use which is checked against measured data.…”

Section: Introductionmentioning

confidence: 99%

“…The evaluation of reanalysis data against in-situ measured data is performed using statistical parameters, and reanalysis data with known accuracy is used for wind resource assessment as reported in recent literature (Gil Ruiz et al, 2021; Kistler et al, 2001; Kokkos et al, 2021; Nezhad et al, 2021c). The assessment based on wind speed is usually reported in previous literature (de Assis Tavares et al, 2020; Kardakaris et al, 2021; Nezhad et al, 2021b; Taoufik and Fekri, 2021) but use of wind direction is not common and reported in few studies (Gil Ruiz et al, 2021; Kokkos et al, 2021). The wind resource assessment using reanalysis data by European Center for Medium-Range Weather Forecasts (ECMWF) is commonly reported in previous literature (Gil Ruiz et al, 2021; Kardakaris et al, 2021; Nezhad et al, 2021b, 2021c).…”

Section: Introductionmentioning

confidence: 99%

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Offshore wind resource assessment using reanalysis data

et al. 2022

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The growth rate of offshore wind is increasing due to technological advancement and reduction in cost. An approach using mast measured data at coastline and reanalysis data is proposed for offshore wind resource assessment, especially for developing countries. The evaluation of fifth generation European Reanalysis (ERA5) data was performed against measured data using statistical analysis. ERA5 data slightly underestimates wind speed and wind direction with percentage bias of less than 1%. Wind resource assessment of region in Exclusive Economic Zone (EEZ) of Pakistan was performed in terms of wind speed and Wind Power Density (WPD). The range of monthly mean wind speed and WPD in the region was 4.03–8.67 m/second and 73–515 W/m2 respectively. Most-probable wind speed and dominating wind direction on corners and center of the region were found using probability distributions and wind rose diagrams respectively. Most-probable wind speed ranges 4.41–7.64 m/second and dominating wind direction is southwest.

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“…This importance becomes even greater when Green Energy Sources (GESs) potential assessment faces a shortage of measuring instruments and tools in many parts of the world. In recent years, the lack of GESs assessment potential data in large areas due to the use of time-consuming traditional methods is not unexpected and is contributing to creating so-called forgotten areas (Nezhad et al, 2021a). It should be noted that the use of the traditional measurement tools such as cup anemometers, gliders, ships, and buoys is very expensive, time-consuming (they must be installed in the desired location for more than a year), and require maintenance (Khan and Tariq, 2018).…”

Section: Introductionmentioning

confidence: 99%

Green Energy Sources Assessment Using Sentinel-1 Satellite Remote Sensing

et al. 2021

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Due to the growing use of Green Energy Sources (GESs), the activities of mapping, monitoring, measurement, and detection of various GESs have become crucial. Assessing and measuring GESs are very complex since different environmental conditions occur. This importance is even greater when researchers face a shortage of measuring instruments and tools in many parts of the world. GES assessment is a challenging task that requires accurate and continuous measurement methods. Currently, traditional methods are very time-consuming and require spending money and human sources. So, the use of accurate and fast measurement methods and tools assessing measuring GESs potential are seriously recommended, which can greatly help the growth of the use of GESs, especially to cover and focus large areas. Satellite remote sensing is used to observe the environment in many fields and new and fast applications. Satellites remote sensing technologies and techniques for GESs assessing are fast, accurate, and can help to reduce costs and decision-making risks of GESs converters installations projects and provide suitable products to the public end-users. These could also be used to identify regions of interest for energy converter installations and to accurately identify new areas with interesting potentials. In this case, researchers can dramatically reduce the possibility of significant error in assessment methods. There is a lack of in-situ measuring tools mainly due to their high economic costs in the interested areas; an accurate analysis was carried out to assess the GESs energy potential. Since there are only limited options for further expanding the measurement over large areas, the use of satellites makes it easier to overcome in-situ limitations. Actually, to use and develop it as much as possible, a correct interdisciplinary understanding is needed. Satellite remote sensing technology for identifying suitable areas for GESs power plants could be a powerful tool that is constantly increasing in its new and fast applications but requires good planning to apply it in various GESs converters installations projects. In this article, a comprehensive review on wind, wave, biomass, geothermal sources assessment using Sentinel-1 (S-1) Synthetic Aperture Radar (SAR) satellite estimation has been summarized along with the different techniques available to measure GESs using satellites. In the paper, several of the successful estimation techniques were introduced in each section and compared for the understanding of limitations and strengths of different methods of GESs availability evaluation.

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A primary offshore wind farm site assessment using reanalysis data: a case study for Samothraki island

Cited by 46 publications

References 47 publications

Transforming a Historic Public Office Building in the Centre of Rome into nZEB: Limits and Potentials

Transforming a Historic Public Office Building in the Centre of Rome into nZEB: Limits and Potentials

Offshore wind resource assessment using reanalysis data

Green Energy Sources Assessment Using Sentinel-1 Satellite Remote Sensing

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