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About

José Villar was born in 1967 in Madrid. He received the degree in Electronic Engineering in 1991 and his Ph.D in 1997 from the School of Industrial Engineering-ICAI at the Universidad Pontificia Comillas, Madrid, Spain. From 1997 to 2017 he was Researcher at the Instituto de Investigación Tecnológica-IIT (Institute for Research in Technology) of ICAI and Deputy Director of IIT from 2004 to 2016, and was Senior Associate Professor at the ICAI Electronic and Communications Department, and member of the Doctorate Academic Comission of Comillas University from 2013 to 2017.

José Villar is currently Senior Researcher at INESC TEC in its Center for Power and Energy Systems.

He has participated in more than 50 research projects with industry and administrations, coordinating more than 20, and his co-author of more than 20 papers in International Journals (most JCR indexed) and more than 60 papers in international conferences.

His current areas of interest include operation and strategic planning of power systems, electrical vehicles, renewable generation, distributed generation and smart cities, soft computing and data mining.

Interest
Topics
Details

Details

018
Publications

2021

Annualization of renewable investment costs for finite horizon electricity pricing and cost recovery

Authors
Campos, FA; Villar, J; Centeno, E;

Publication
SUSTAINABILITY

Abstract
The increasing penetration of renewable electricity generation is complicating the bidding and estimating processes of electricity prices, partly due to the shift of the overall cost sensitivity from operation (fuel) costs to investment costs. However, cost minimization models for capacity expansion are frequently based on the principle that, for a perfectly adapted system allowing non-served energy, marginal remuneration allows overall operation and investments costs recovery. In addition, these models are usually formulated as finite-horizon problems when they should be the-oretically solved for infinite horizons under the assumption of companies’ infinite lifespan, but infinite horizon cannot be dealt with mathematical programming since it requires finite sets. Previous approaches have tried to overcome this drawback with finite horizon models that tend asymptoti-cally to the original infinite ones and, in many cases, the investment costs are annualized based on the plants’ lifespan, sometimes including a cost residual value. This paper proposes a novel approach with a finite horizon that guarantees the investment costs’ recovery. It is also able to obtain the marginal electricity costs of the original infinite horizon model, without the need for residual values or non-served energy. This new approach is especially suited for long-term electricity pricing with investments in renewable assets when non-served demand is banned or when no explicit capacity remuneration mechanisms are considered. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

2021

Electricity Cost of Green Hydrogen Generation in the Iberian Electricity Market

Authors
De Oliveira, AR; Collado, JV; Saraiva, JT; Domenech, S; Campos, FA;

Publication
2021 IEEE MADRID POWERTECH

Abstract

2021

Characterization of TSO and DSO Grid System Services and TSO-DSO Basic Coordination Mechanisms in the Current Decarbonization Context

Authors
Silva, R; Alves, E; Ferreira, R; Villar, J; Gouveia, C;

Publication
ENERGIES

Abstract
Power systems rely on ancillary services (ASs) to ensure system security and stability. Until recently, only the conventional power generation resources connected to the transmission grids were allowed to provide these ASs managed by the transmission system operators (TSOs), while distribution system operators (DSOs) had a more passive role, focused on guaranteeing distribution capacity to bring power to final consumers with enough quality. Now, with the decarbonization, digitalization and decentralization processes of the electrical networks, the growing integration of distributed energy resources (DERs) in distribution grids are displacing conventional generation and increasing the complexity of distribution networks' operation, requiring the implementation of new active and coordinated management strategies between TSOs and DSOs. In this context, DERs are becoming potential new sources of flexibility for both TSOs and DSOs in helping to manage the power system. This paper proposes a systematic characterization of both traditional and potentially new ASs for TSOs, and newly expected DSO local system services to support the new distribution grid operation paradigm, reviewing, in addition, the main TSO-DSO coordination mechanisms.

2021

Explanatory and Causal Analysis of the Portuguese Manual Balancing Reserve

Authors
Goncalves, C; Ribeiro, M; Viana, J; Fernandes, R; Villar, J; Bessa, R; Correia, G; Sousa, J; Mendes, V; Nunes, AC;

Publication
2021 IEEE MADRID POWERTECH

Abstract

2021

Comparative Analysis of Self-Consumption and Energy Communities Regulation in the Iberian Peninsula

Authors
Rocha, R; Mello, J; Villar, J; Saraiva, JT;

Publication
2021 IEEE MADRID POWERTECH

Abstract
Energy communities and self-consumption are considered as major drivers to achieve the decarbonization of the power sector, contributing to further increase the penetration of renewables, and empowering end consumers by turning them more active and flexible regarding electricity consumption. Considering the relevance of this topic and given that the corresponding legislation is recent, this paper summarizes the European Regulation on self-consumption and renewable energy communities and describes, analyses and compares its transposition to the Portuguese and Spanish national regulations. The main regulatory barriers for renewable energy communities' rollout are identified and regulatory improvements are proposed to overcome them.

Supervised
thesis

2018

Towards a Live Management of Cloud Infrastructures

Author
Pedro Gil Barros Lourenço

Institution
UP-FEUP

2018

Statistically Enhanced Analog Design

Author
José Diogo Queiroz de Athayde Agorreta de Alpuim

Institution
UP-FEUP

2018

Profitability Analysis of CCTGs under Future Scenarios of High Res and EV Penetration

Author
Francisco Martínez Rubio

Institution

2017

Modelo de equilibrio general para España con más detalle del sector eléctrico

Author
Francisco Martínez Rubio

Institution

2017

Modeling policymaker’s decisions in a power sector: a state-of-the-art review

Author
Salvador Doménech Martínez

Institution