scholarly journals On-site solar powered refueling stations for green hydrogen production and distribution: performances and costs

2022 ◽  
Vol 334 ◽  
pp. 01005
Author(s):  
Simona Di Micco ◽  
Mariagiovanna Minutillo ◽  
Alessandra Perna ◽  
Elio Jannelli
Keyword(s):  
Hydrogen Production ◽  
Economic Analysis ◽  
Essential Element ◽  
Energy Transition ◽  
Economic Indicator ◽  
System Size ◽  
Point Of View ◽  
Environmental Benefits ◽  
Innovative Technology ◽  
Battery System

Today, the hydrogen is considered an essential element in speeding up the energy transition and generate important environmental benefits. Not all hydrogen is the same, though. The “green hydrogen”, which is produced using renewable energy and electrolysis to split water, is really and completely sustainable for stationary and mobile applications. This paper is focused on the techno-economic analysis of an on-site hydrogen refueling station (HRS) in which the green hydrogen production is assured by a PV plant that supplies electricity to an alkaline electrolyzer. The hydrogen is stored in low pressure tanks (200 bar) and then is compressed at 900 bar for refueling FCHVs by using the innovative technology of the ionic compressor. From technical point of view, the components of the HRS have been sized for assuring a maximum capacity of 450 kg/day. In particular, the PV plant (installed in the south of Italy) has a size of 8MWp and supplies an alkaline electrolyzer of 2.1 MW. A Li-ion battery system (size 3.5 MWh) is used to store the electricity surplus and the grid-connection of the PV plant allows to export the electricity excess that cannot be stored in the battery system. The economic analysis has been performed by estimating the levelized cost of hydrogen (LCOH) that is an important economic indicator based on the evaluation of investment, operational & maintenance and replacement costs. Results highlighted that the proposed on-site configuration in which the green hydrogen production is assured, is characterized by a LCOH of 10.71 €/kg.

Effectiveness of Flood Protection Project Valuation Methods

2015 ◽  
Vol 10 (3) ◽  
pp. 275-289
Author(s):  
Tadeusz Liziński ◽  
Marcin Bukowski ◽  
Anna Wróblewska
Keyword(s):  
Essential Element ◽  
Weather Conditions ◽  
Point Of View ◽  
Flood Protection ◽  
Costs And Benefits ◽  
Protection Measures ◽  
Investment Projects ◽  
Market Values ◽  
Project Valuation ◽  
The Subject

Projects for flood protection are increasingly the subject of investment projects in the field of water management. This is related to the increasing frequency of worldwide threats caused by extreme weather conditions, including extremely high rainfall causing floods. Technical and nontechnical flood protection measures are also increasing in importance. In the decision-making process, it is necessary to take into account both the costs and benefits of avoiding losses, including an analysis of social benefits, whose valuation of non-market goods is an essential element. A comprehensive account of projects in the field of flood protection based on the estimated costs and benefits of the investment allows the economic efficiency from a general social point of view to be determined. Previous evaluations of the effectiveness of investment projects have mainly taken into account only categories and market values. The aim of the article is to identify the possibilities to expand the values of non-market assessments and categories formulated on the basis of the theoretical economics of the environment. 

The Oxford Handbook of Sports Economics

2012 ◽  
Keyword(s):  
Economic Analysis ◽  
College Athletics ◽  
Team Sport ◽  
Antitrust Policy ◽  
Point Of View ◽  
Quality Data ◽  
Sports Economics ◽  
Managerial Behavior ◽  
The North ◽  
Individual Productivity

This book is the second volume of the two-volume The Oxford Handbook of the Economics of Sports which includes articles by nearly all of the important authors in the quickly growing field of sports economics. The two volumes consider in depth the ways that economics and sports interact with each other. To start with, economic analysis has helped with the understanding of many of the different institutions in sports. Secondly, quality data about individual productivity, salaries, career histories, teamwork, and managerial behavior has been useful in helping economists study topics as varied as the economics of discrimination, salary dispersion, and antitrust policy. The volumes are also rich from the point of view of the sports fan. Every major team sport is covered, and many interesting comparisons can be made especially between the North American League organization and the European-style promotion and relegation leagues. Golf, NASCAR, college athletics, women's sports, the Olympics, and even bowling are represented in these pages.

Linear and nonlinear behaviour of two-stream instabilities in collisionless plasmas

2015 ◽  
Vol 81 (6) ◽  
Author(s):  
Y. W. Hou ◽  
M. X. Chen ◽  
M. Y. Yu ◽  
B. Wu
Keyword(s):  
Normal Mode Analysis ◽  
System Size ◽  
Point Of View ◽  
Mode Analysis ◽  
Nonlinear Behaviour ◽  
Initial Growth ◽  
Small Magnitude ◽  
Plasma Oscillations ◽  
Numerical Noise ◽  
Growth Properties

The transient, growth and nonlinear saturation stages in the evolution of the electrostatic two-stream instabilities as described by the Vlasov–Poisson system are reconsidered by numerically following the evolution of the total wave energy of the plasma oscillations excited from (numerical) noise. Except for peculiarities related to the necessarily finite (even though very small) magnitude of the perturbations in the numerical simulation, the existence and initial growth properties of the instabilities from the numerical results are found to be consistent with those from linear normal mode analysis and the Penrose criteria. However, contradictory to the traditional point of view, the growth of instability before saturation is not always linear. The initial stage of the growth can exhibit fine structures that can be attributed to the harmonics of the excited plasma oscillations, whose wavelengths are determined by the system size and the numerical noise. As expected, saturation of the unstable oscillations is due to electron trapping when they reach sufficiently large amplitudes.

Techno-economic analysis of green hydrogen production from biogas autothermal reforming

2017 ◽  
Vol 19 (5) ◽  
pp. 1437-1447 ◽  
Author(s):  
Y. S. Montenegro Camacho ◽  
S. Bensaid ◽  
G. Piras ◽  
M. Antonini ◽  
D. Fino
Keyword(s):  
Hydrogen Production ◽  
Economic Analysis ◽  
Autothermal Reforming

Opportunities and Challenges in Converting Existing Natural Gas Infrastructure for Hydrogen Operation

2021 ◽  
Author(s):  
Peter Adam
Keyword(s):  
Hydrogen Production ◽  
Natural Gas ◽  
Energy Transition ◽  
Building Blocks ◽  
Hydrogen Economy ◽  
Storage Network ◽  
The World ◽  
Drive Trains ◽  
Regulatory Bodies ◽  
And Storage

Abstract Hydrogen holds enormous potential in helping the world achieve its decarbonization goals and is set to play a key role in the Energy Transition. However, two central building blocks are needed to make the hydrogen economy a reality: 1) a sufficient source of emissions-free (i.e., blue or green) hydrogen production and 2) a needs-based transportation and storage network that can reliably and cost-effectively supply hydrogen to end-users. Given the high costs associated with developing new transportation infrastructure, many governments, pipeline operators, and regulatory bodies have begun exploring if it is both possible and economical to convert existing natural gas (i.e., methane) infrastructure for hydrogen operation. This paper outlines opportunities and technical challenges associated with such an endeavor – with a particular focus on adaptation requirements for rotating equipment/compressor drive trains and metallurgical and integrity considerations for pipelines.

Urban Hazard Adaptation: Efficiency of a Green Infrastructure in an Italian metropolis

2021 ◽  
Author(s):  
Francesco Busca ◽  
Roberto Revelli
Keyword(s):  
Climate Change ◽  
Green Infrastructure ◽  
Local Governments ◽  
Sustainable Use ◽  
Point Of View ◽  
Environmental Benefits ◽  
Atmospheric Pollutants ◽  
Water Runoff ◽  
Water Shortages ◽  
Economic Point

<p>In recent years, safeguarding approaches and environmental management initiatives have been adopted both by international institutions and local governments , aimed at sustainable use of natural resources and their restoration, in order to manage hazard level of climate change consequences (urban flooding, droughts and water shortages, sea level rise, issues with food security).</p><p>Cities represent the main collectors of these effects, consequently they need to implement specific adaptation plans mitigating consequences of such future events: Green Infrastructures (G.I.) fall within the most effective tools for achieving the goal. In the urban context, they also identify themselves as valid strategies for biodiversity recovery and ecological functions.</p><p>This work analyzes the role of a G.I. in an urban environment, with the aim of quantifying Ecosystem Services (E.S.) provided by vegetation: through usage of <em>i-Tree</em>, specific software suite for E.S. quantification, the sustainability offered by “Le Vallere” park, a 34-hectares greenspace spread between municipalities of Turin and Moncalieri (Italy), was analyzed, in collaboration with the related management institution (<em>Ente di gestione delle Aree Protette del Po torinese</em>). The study, carried out using two specific tools (<em>i-Tree Eco and i-Tree Hydro</em>), focuses on different aspects: carbon sequestration and storage, atmospheric pollutants reduction, avoided water runoff and water quality improvement are just some of the environmental benefits generated by tree population. Tools enable to carry out the analysis also from an economic point of view, evaluating monetary benefits brought by the green infrastructure both at present day and in the future,  taking into account climate change effects through projections based on the regional climatic model COSMO-CLM (RCP 4.5 and RCP 8.5 scenarios).</p><p>The work led to deepen potential held by the greenspace, helping the cooperating management institution  to plan future territorial agenda and to find innovative approaches for an integrated and sustainable hazard control.</p>

Sign in / Sign up

Export Citation Format

Share Document