BEE Group meets the challenge of employing our knowledge and experience to help users to get the best possible use out of the energy that they consume.

Building Energy and Environment Group

The BEE Group was founded in 2001 as an autonomous department of CIMNE. The aim of the BEE Group  is to provide solutions for users and companies in the field of buildings, energy and the environment, to overcome with  a more efficient society.

CIMNE, the International Center for Numerical Methods in Engineering, is a research organization created in 1987 at the heart of the prestigious Technical University of Catalonia (UPC) as a partnership between the Government of Catalonia and UPC, in cooperation with UNESCO. The aim of CIMNE is the development of numerical methods and computational techniques for advancing knowledge and technology in engineering and applied sciences.

Meet our team

Jordi Cipriano

Director of BEE Group

Daniel Perez

Senior Researcher.
Group Leader.

Eugenio Oñate

Senior Researcher.
Group Leader.

Stoyan Danov

Senior Researcher.
Group Leader.

Xavier Cipriano

Senior Researcher.
Group Leader.



Hello! I’m Jordi Cipriano

PhD in Engineering and ICT, University of Lleida (UdL, Lleida)
Master in Industrial engineering, Polytechnic University of Catalonia (UPC, Barcelona).

Director of BEE Group since its foundation in 2001. His background comes from the application of numerical methods for the analysis of air flows and thermal heat transfer in active building components and urban environment. For the last years he has centred in modelling the energy performance of buildings, BIPV components and in analysing the user behaviour of tenants in residential buildings. Jordi has accumulated more than 12 years of experience in collaborating with municipalities and building owners through national and international cooperative research projects. He has participated in more than 25 EU funded projects. Jordi is author of 20 publications in international scientific journals and congresses. He is one of the founders and member of the board of directors of the energy service company INERGY (, promoted by CIMNE and RSM Gassó.

Jordi acts also as representative of CIMNE-BEE Group in the following international research networks: E2B and INIVE. He is also one of the Spanish representatives within the AIVC and he is participating in the Annex 58 of the IEA.



Hello! I’m Daniel Perez

Master in Industrial engineering,
Polytechnic University of Catalonia (UPC, Barcelona).

One of the founders of BEE Group. Background in the application of numerical methods for the analysis of air flows and thermal heat transfer in telescope buildings and urban environment; >10 years’ experience in collaborating with municipalities and building owners through national and international cooperative research projects; participation in more than 20 EU projects, author of 7 publications in international scientific journals and congresses; one of the founders of the energy service company INERGY ( Now dedicated to the conception and development, within a Big Data environment, of analytic tools for energy awareness and energy management services for end users.



Hello! I’m Eugenio Oñate

Civil Engineer
Professor of Structural and Continuum Mechanics (UPC)

His activity in the last 35 years has combined an academic career as Professor of Structural Mechanics at the Technical University of Catalonia (UPC), a research career in the field of numerical methods and their application to engineering and the transfer of the results of his research to the industrial sector. His research achievements in the field of numerical methods and software for the analysis and design of structures, fluid dynamics and industrial manufacturing processes are internationally recognized. His scientific contributions and software derived from his research are of particular relevance for solving multidisciplinary problems in the fields of civil, industrial, aerospace, marine and naval engineering, among others.
He has published 306 scientific papers in JCR journals. He has 5.213 citations and a h-index of 37 (Source: Web of Knowledge). He is the chief editor of 3 JCR journals. He is author of 3 text books and editor of 53 books on a variety of topics in computational mechanics (CM). He has organized 52 international conferences on different fields in CM.

He was the founder and Director since 1987 of CIMNE. He was a founder and first president of the Spanish Society of Numerical Methods in Engineering (1989–2004,, founder and president of the European Community for Computational Mechanics in Applied Sciences (2000–2004, and president of the International Association for Computational Mechanics (2002-2010,

He has promoted the start-up of several technology-based companies in Spain (

He has received numerous awards at international level.


Hello! I’m Stoyan Danov

Ph.D in Thermal engineering (UPC, Barcelona)

Researcher with a background in the field of mechanical and thermal engineering, renewable energies and optimisation of the energy use in industrial processes and buildings.

Interested in sustainable development, with extensive experience in the field of clean technologies: performing numerical simulations, development of new products and services employing ICT, teaching in post-gradual courses.

Participated in numerous international R+D projects, consultancy and technology transfer projects for private companies.



Hello! I’m Xavier Cipriano

Advanced Diplomat (DEA) in Air Conditioning and Energy Efficiency in Buildings.
Chemical Engineering, University of Barcelona (UB, Barcelona).

Research in energy efficiency concepts and solar energy systems in buildings and urban districts. Background in design, simulation, evaluation and implementation of energy saving measures in urban contexts. Group leader in BEE Group. Participating, within the last ten years, in 20 research European projects and in 12 research and consultancy National projects. One of the founders and member of the board of directors of the energy service company INERGY (, promoted by CIMNE and RSM Gassó. He was technical director from 2004 to 2011. Responsible of the strategic research line “Smart urban environments” in BEE Group, with implementation in more than 400 municipalities in Catalonia, Basque Country, and Mediterranean Region. 10 publications in international scientific journals and congresses.


Jordi Carbonell

Senior Researcher
Group Leader

Jaime Martí Herrero

Senior Researcher

Gerard Mor

Data Analyst – PhD Student

Jose Santos Lopez


Xavier Cubillas

ICT Architect – Big Data



Hello! I’m Jordi Carbonell

Master in Industrial engineering and electronics, Polytechnic University of Catalonia (UPC, Barcelona).
Advanced Studies Grant in Air-conditioning Technologies and Energy Efficiency in Buildings (URV,Tarragona)

Background in in energy efficiency in buildings and urban planning, dynamical modelling using advanced software such as EnergyPlus, or using inverse models based on previous data; 3 years experience in building data mining data using R; more than 10 years experience in collaborating with municipalities and building owners through national and international cooperative research projects; participation in more than 15 EU projects, author of 7 publications in international scientific journals, books and congresses; Currently working in developing tools for data analysis and visualisation, using Big Data platform, for energy companies management improvement and final user empowering.



Hello! I’m Jaime Martí Herrero

Ph.D in Physics

Degree in Physics, with Astrophysics specialisation, in 2000, obtaining Applied Physics specialization in 2001, from the University of La Laguna (ULL, Tenerife). In 2000 get a fellowship at the IAC (Tenerife) and in 2001 at the ITER (Tenerife) as first steps in R&D. In 2002 he started working at CIEMAT (Madrid) as a researcher in training, obtaining a Ph.D. in physics from the UNED (Madrid) in 2006, related to heat and mass transfer models for natural cooling.

Launched in 2007 the project of biogas program EnDev-Bolivia (La Paz, Bolivia) of GIZ, which lasted until mid-2012. Incorporated in 2008, as a researcher PhD, at the BEE Group CIMNE (Barcelona) developing most of his scientific activity in Latin America (especially Bolivia, also Chile, Ecuador and Perú) linked to the development and implementation of appropriate technologies (mainly digesters). In 2011 founded and coordinates with other local stakeholders, as the UMSA, the Centre for Research in Biodigestores, Biogas and Biol (CIB3) near La Paz (Bolivia). R & D Coordinator of REDBIOLAC from 2011-2012 and member of the board today. From June 2014 is enjoying a PROMETEO fellowship at the INER of Ecuador.

View Jaime’s work


Hello! I’m Gerard Mor

Decision Making M. Sc. (Rey Juan Carlos University, Madrid)
Building Engineering, B.Sc. (University of Lleida)

Technician with background in building engineering and statistics. Enthusiast of technology and programming since I was a child.

As Data Science merges my educational background and my mainly hobbies, I have wanted to become a Data Scientist. I’m specialized in building energy consumption simulations and data mining, developing algorithms and managing big data information from buildings and dwellings. Nowadays, I’m in charge of the development and implementation of energy user awareness services for the BEE Data platform.



Hello! I’m Jose Santos Lopez

Master in Agricultural engineering, University of Lleida (UDL, Lleida)

With 5-year-old experience in managing and coordinating public infrastructure projects by assessment of real costs, control measures and supervision of works.
Since 2012, I am participating in Intelligent Energy Europe (IEE) projects related to energy efficiency within nearly zero-energy buildings (nZEBs), pilot experiences of urban planning, sustainable energy action plans (SEAPs), energy performance certificates (EPCs), energy auditing, statistical data gathering and disseminating this knowledge for the key actors.



Hello! I’m Xavier Cubillas

WEB applications developer, eager to try any new technology (or unknown older one) that comes out.
Polyglot: Python, PHP, Java, C/C++, Javascript, etc.
Moving steadily into the world of Big Data and software architecture.

Josep Mayos

Designer & Communication

Eloi Gabaldon

PhD Informatics

Benedetto Grillone

Data analyst

Killian Premel


Joan Ignasi Rossell

Professor UdL-External Collaborator



Hello! I’m Josep Mayos

Building Engineering, B.Sc. (University of Lleida);
Interior Designer, (La Massana, Barcelona)

Background in energy efficiency, sustainable materials and systems in buildings. Experience in monitoring prototypes. Currently working managing and coordinating innovation research project based on ICT for energy efficiency in social housing.



Hello! I’m Eloi Gabaldon

PhD Informatic Engineering
Master’s degree, Computer Science



Hello! I’m Benedetto Grillone

MSc Energy for Smart Cities (Double degree KTH Stockholm/UPC Barcelona)
BSc Mechanical Engineering (Università Federico II Napoli)

Energy engineer with a deep interest in data analytics, renewable energy, and energy efficiency.

Currently enrolled in the InnoEnergy Master’s degree ‘Energy for Smart Cities’, I’m writing my Thesis with a focus on data analytics and machine learning algorithms to evaluate the effect of energy efficiency measures and provide recommendations.


Hello! I’m Killian Premel

I am making an intership of my Engineering studies.


Hello! I’m Joan Ignasi Rossell

Daniel Chemisana

Professor at UdL-External collaborator

Jérôme Barrau

Professor at UdL-External collaborator



Hello! I’m Daniel Chemisana


Hello! I’m Jérôme Barrau

Industrial Engineer from the Polytechnic School of Marseille (France) and PhD. from the University of Lleida, where he continues to develop its activities. Its research fields are, on the one hand, cooling devices for high heat flux applications, such as electronics and dense array CPV receivers and, on the other hand, passive systems for sustainable buildings. He actually teaches, in the Polytechnic School of the University of Lleida, “Sustainable Construction” for students of Technical Architecture and “Energy Generation and Distribution” in the Industrial Engineering Master.


The BEE Group collaborates with national and international companies and institutions. We understand that the goals and challenges we face could be achieved better if companies that are sensitive to the needs of society and researchers who develop cutting-edge innovations work together.

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