Search results for: Nadia Maïzi

Items from 1 to 20 out of 40 results

article

Closing the TIMES Integrated Assessment Model (TIAM‐FR) Raw Materials Gap with Life Cycle Inventories

Antoine Boubault, Seungwoo Kang, Nadia Maïzi

Journal of Industrial Ecology > 23 > 3 > 587 - 600

Integrated assessment models are in general not constrained by mineral resource supply. In this paper, we introduce a material accounting method as a first step toward addressing the raw materials gap in the TIMES integrated assessment model (TIAM‐FR version). The method consists of attributing process‐based life cycle inventories (LCIs) taken from the ecoinvent 3.3 database to the TIAM‐FR technology...

article

Maximizing intermittency in 100% renewable and reliable power systems: A holistic approach applied to Reunion Island in 2030

Nadia Maïzi, Vincent Mazauric, Edi Assoumou, Stéphanie Bouckaert, more

Applied Energy > 2018 > 227 > C > 332-341

Technical constraints related to power systems management may limit the high integration of variable renewable energy sources in the power mix. This issue is addressed for the Reunion Island, which aims to reach energy independence by 2030 using 100% renewables. To that end, a long-term power system analysis is proposed using a comprehensive and coherent approach based on a bottom-up TIMES model providing...

article

Investigating long‐term lifestyle changes: A methodological proposal based on a statistical model

Thomas Le Gallic, Edi Assoumou, Nadia Maïzi

Sustainable Development > 26 > 2 > 159 - 171

Lifestyles are both a broad and complex object of thought and a key determinant of the sustainability of our societies. A qualitative analysis of future lifestyles offers great freedom to imagine dramatic societal changes and explore paradigm shifts. Performing a quantitative analysis is less straightforward and more conceptually questionable. In this paper we introduce a statistical model that we...

article

Future demand for energy services through a quantitative approach of lifestyles

Thomas Le Gallic, Edi Assoumou, Nadia Maïzi

Energy > 2017 > 141 > C > 2613-2627

Among the tools and processes that are used to inform decisions makers on the long-term challenges raised by energy transition, numerical models are at the forefront. Whether led at the global, continental, country or local level, they help projecting the future operational conditions of our energy systems. However the possibility of addressing the sustainability challenge by changes in our lifestyles...

article

Green technologies competition and uncertainty: a Monte Carlo analysis of optimal biofuels supply choices for France

Paul Hugues, Edi Assoumou, Nadia Maïzi

Energy Procedia > 2017 > 142 > C > 3020-3027

A timely development and diffusion of green technologies is widely recognised as a key element of an effective transition to a low carbon future. This is in particular the case in the transport sector where several low carbon options have been developed as substitute to oil products. However, green technologies do not only compete against conventional ones but also against each over. In this paper...

article

Reliability-constrained scenarios with increasing shares of renewables for the French power sector in 2050

Gondia Sokhna Seck, Vincent Krakowski, Edi Assoumou, Nadia Maïzi, more

Energy Procedia > 2017 > 142 > C > 3041-3048

The approach of this paper relies on a prospective study up to 2050 conducted by the TIMES model, combined with a quantitative assessment of the French power sector reliability. It is to take into account the short term power grid transient conditions in long-term prospective analysis. For this purpose, a reliability indicator related to the kinetic reserves has been defined and endogenized in the...

article

Power System Synchronism in Planning Exercises: From Kuramoto Lattice Model to Kinetic Energy Aggregation

Vincent Krakowski, Xiang Li, Vincent Mazauric, Nadia Maïzi

Energy Procedia > 2017 > 105 > C > 2712-2717

In order to assess the stability of the synchronous state of a power system, we introduced a dedicated description of the grid based on the Kuramoto model. We derived a coherent approach suitable for long-term power systems analysis and implemented in the case of the French Reunion Island.

article

Balancing Energy Efficiency and Fossil Fuel: The Role of Carbon Pricing

Alice Didelot, Nadia Maïzi, Vincent Mazauric, Edi Assoumou, more

Energy Procedia > 2017 > 105 > C > 3545-3550

Energy efficiency is likely to remain a valuable support for meeting climate challenges because it involves using less primary energy to produce the same final service. We explore energy efficiency potential in relation to different fossil fuel extraction cost schemes crossed with a carbon pricing scenario built using various global carbon taxes. This sensitivity analysis relies on prospective studies...

article

Energy contribution to Latin American INDCs: Analyzing sub-regional trends with a TIMES model

Sebastien Postic, Sandrine Selosse, Nadia Maïzi

Energy Policy > 2017 > 101 > C > 170-184

Central and South America and the Caribbean countries share energy and climate features that are quite different from the rest of the world, including a highly renewable energy mix and very high renewable energy potentials, along with high deforestation and degradation rates which call for regional answers to regional issues. This paper assesses the impact of national contributions to the United Nations...

article

Optimizing industries’ power generation assets on the electricity markets

Martin Coatalem, Vincent Mazauric, Claude Le Pape-Gardeux, Nadia Maïzi

Applied Energy > 2017 > 185 > P2 > 1744-1756

For historical reasons, many large industrial sites have their own power generation units, either because the site was isolated when it was built or because the local network was not reliable enough to ensure regular production. This can apply to energy-intensive industries like refineries or LNG plants in the Oil & Gas sector, but also to mining plants, metal industries and chemical plants. These...

article

A convex mathematical program for pump scheduling in a class of branched water networks

Gratien Bonvin, Sophie Demassey, Claude Le Pape, Nadia Maïzi, more

Applied Energy > 2017 > 185 > P2 > 1702-1711

We address the day-ahead pump scheduling problem for a class of branched water networks with one pumping station raising water to tanks at different places and levels. This common class is representative of rural drinking water distribution networks, though not exclusively so. Many sophisticated heuristic algorithms have been designed to tackle the challenging general problem. By focusing on a class...

article

Reprint of Feasible path toward 40–100% renewable energy shares for power supply in France by 2050: A prospective analysis

Vincent Krakowski, Edi Assoumou, Vincent Mazauric, Nadia Maïzi

Applied Energy > 2016 > 184 > C > 1529-1550

This paper explores the conditions under which renewable energy sources (RES) penetration could jeopardize power system reliability, as well as which flexibility options could help integrate high levels of RES. For this purpose, we used an energy-planning model from the TIMES family, which provides a realistic representation of power systems and plausible options for their long-term development, completed...

article

Assessing GHG mitigation and associated cost of French biofuel sector: Insights from a TIMES model

Paul Hugues, Edi Assoumou, Nadia Maizi

Energy > 2016 > 113 > C > 288-300

Biofuel sector has been promoted in France for its environmental and societal advantages. However, controversial issues have emerged, especially on avoided GHG emissions, raising uncertainties regarding its future development. For an actor, investing in the appropriate pathway is yet not straightforward as resource availability, process efficiency and costs are uncertain and regulatory framework will...

chapter

Time reconciliation and space agregation to shed light on the plausibility of long-term low carbon pathways for power systems

Nadia Maizi, Vincent Krakowski, Edi Assoumou, Vincent Mazauric, more

2016 IEEE Smart Energy Grid Engineering (SEGE) > 106 - 110

2016 IEEE Smart Energy Grid Engineering (SEGE)

To address the abysmal lack of efficiency of the electrical system (73% of losses, 45% of worldwide CO2 emissions), an energy-efficient description of electromagnetism lying on a reversible interpretation of the Faraday's law is described. This framework appears suitable for the space-consolidation and time-reconciliation of all the scales involved in the power management of the electromagnetic energy...

article

Feasible path toward 40–100% renewable energy shares for power supply in France by 2050: A prospective analysis

Vincent Krakowski, Edi Assoumou, Vincent Mazauric, Nadia Maïzi

Applied Energy > 2016 > 171 > C > 501-522

chapter

A “relaxation” approach for the hankel approximation of some vibrating structures

Nadia Maïzi

Lecture Notes in Control and Information Sciences > Analysis and Optimization of Systems: State and Frequency Domain Approaches for Infinite-Dimensional Systems > 585-597

We present here an approach for the rational approximation of infinite dimensional linear systems with infinitely many poles on the imaginary axis, that is to say neither stable nor unstable. This approach is based on the “relaxation” of the input and output spaces associated with the original system; it maintains the input-output behaviour described by the system. Applying it to some linear systems...

article

Analysis of the importance of structural change in non-energy intensive industry for prospective modelling: The French case

Gondia Sokhna Seck, Gilles Guerassimoff, Nadia Maïzi

Energy Policy > 2016 > 89 > C > 114-124

A large number of studies have been conducted on the contribution of technological progress and structural change to the evolution of aggregate energy intensity in the industrial sector. However, no analyses have been done to examine theses changes in the non-energy intensive industry in France. We analyzed their importance in French industry with respect to their energy intensity, energy costs, value...

chapter

Electricity Prices in a Game Theory Context

Mireille Bossy, Nadia Maïzi, Geert Jan Olsder, Odile Pourtallier, more

Dynamic Games: Theory and Applications > 135-159

We consider a model of an electricity market in which S suppliers offer electricity: each supplier S _i offers a maximum quantity q _i at a fixed price p _i. The response of the market to these offers is the quantities bought from the suppliers. The objective of the market is to satisfy its demand at minimal price. We investigate two cases. In the first case, each of...

article

Heat recovery using heat pumps in non-energy intensive industry: Are Energy Saving Certificates a solution for the food and drink industry in France?

Gondia Sokhna Seck, Gilles Guerassimoff, Nadia Maïzi

Applied Energy > 2015 > 156 > C > 374-389

Saving energy is crucial for all sectors following the new framework presented by the European Commission to drive continued progress towards a low-carbon economy. Many studies focus on the residential sector, transport and energy-intensive industries, but there is a lack of tools to help decision makers in non-energy intensive industry (NEI). This paper presents the first bottom-up energy model developed...

article

A Heuristic Approach to the Water Networks Pumping Scheduling Issue

Gratien Bonvin, Alfredo Samperio, Claude Le Pape, Vincent Mazauric, more

Energy Procedia > 2015 > 75 > Complete > 2846-2851

In order to improve the efficiency of drinking water networks, we develop a model for branched configurations of pipes, which optimizes pumping scheduling by taking into account electricity tariffs, pumps characteristics and network constraints on a daily basis. We estimate a 10% discount in the energy bill, an amount which depends strongly on the characteristics of the network under study and the...

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INFONA - science communication portal

Search results for: Nadia Maïzi

Closing the TIMES Integrated Assessment Model (TIAM‐FR) Raw Materials Gap with Life Cycle Inventories

Maximizing intermittency in 100% renewable and reliable power systems: A holistic approach applied to Reunion Island in 2030

Investigating long‐term lifestyle changes: A methodological proposal based on a statistical model

Future demand for energy services through a quantitative approach of lifestyles

Green technologies competition and uncertainty: a Monte Carlo analysis of optimal biofuels supply choices for France

Reliability-constrained scenarios with increasing shares of renewables for the French power sector in 2050

Power System Synchronism in Planning Exercises: From Kuramoto Lattice Model to Kinetic Energy Aggregation

Balancing Energy Efficiency and Fossil Fuel: The Role of Carbon Pricing

Energy contribution to Latin American INDCs: Analyzing sub-regional trends with a TIMES model

Optimizing industries’ power generation assets on the electricity markets

A convex mathematical program for pump scheduling in a class of branched water networks

Reprint of Feasible path toward 40–100% renewable energy shares for power supply in France by 2050: A prospective analysis

Assessing GHG mitigation and associated cost of French biofuel sector: Insights from a TIMES model

Time reconciliation and space agregation to shed light on the plausibility of long-term low carbon pathways for power systems

Feasible path toward 40–100% renewable energy shares for power supply in France by 2050: A prospective analysis

A “relaxation” approach for the hankel approximation of some vibrating structures

Analysis of the importance of structural change in non-energy intensive industry for prospective modelling: The French case

Electricity Prices in a Game Theory Context

Heat recovery using heat pumps in non-energy intensive industry: Are Energy Saving Certificates a solution for the food and drink industry in France?

A Heuristic Approach to the Water Networks Pumping Scheduling Issue

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