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History of International Conference on
Efficiency, Costs, Optimization, Simulation
- E C O S -
and Environmental Impact of Energy Systems


Guimarães, Portugal

June 17 – 22, 2018
31th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2018)

José Carlos Teixeira, Senhorinha Teixeira
Honorary chairman: Silvia Nebra, Daniel Favrat
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31th 2018

San Diego, California

July 2 – 6, 2017
30th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2017)

Asfaw Beyene, David W. Macphee, Abel Hernandez-Guerrero
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30th 2017

Portorož, Slovenia

June 19 – 23, 2016
29th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2016)

Andrej Kitanovski, Tatiana Morosuk, Alojz Poredoš
Honorary chairman: Noam Lior, George Tsatsaronis
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29th 2016

Pau, France

June 29 – July 3, 2015
28th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2015)

Jean-Pierre Bédécarrats, Michel Feidt, Pascal Stouffs, George Tsatsaronis, Antonio Valero
Honorary chairman: Özer Arnas, U.S.Military Academy at West Point, NY, U.S.A.
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28th 2015

Turku, Finland

June 15 – 19, 2014
27th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2014)

Ron Zevenhoven, Henrik Saxén, Frank Pettersson, Özer Arnas

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27th 2014

Guilin, China

July 15 – 19, 2013
26th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2013)

Jianzhong Xu, Hongguang Jin

26th 2013

Perugia, Italy

June 26 – 29, 2012
25th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2012)

Umberto Desideri, Giampaolo Manfrida, Enrico Sciubba

25th 2012

Novi Sad, Serbia

July 4 – 7, 2011
24th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2011)

Coordinator Gordana Stefanović
Milorad Bojić, Noam Lior, Jovan Petrović, Vladimir Stevanović

24th 2011

Lausanne, Switzerland

June 14 – 17, 2010
23rd International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2010)

Daniel Favrat, François Maréchal

23rd 2010

Foz do Iguaçu, Paraná, Brazil

August 30 – September 3, 2009
22nd International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2009)

Silvia Azucena Nebra, Silvio de Oliveira Júnior, Edson Bazzo, Arnaldo da Silva Walter

22nd 2009

Cracow-Gliwice, Poland

June 24 – 28, 2008
21th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2008)

Andrzej Ziȩbik, Zygmunt Kolenda, Wojciech Stanek

21th 2008

Padova, Italy

June 25 – 28, 2007
20th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2007)

A. Mirandola, Ö. Arnas

20th 2007

Aghia Pelagia, Crete, Greece

July 12 – 14, 2006
19th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2006)

C.A. Frangopoulos, C. Rakopoulos, G. Tsatsaronis
Honorary Chairmen: E.P. Gyftopoulos, G. Hatsopoulos

19th 2006

Trondheim, Norway

June 20 – 22, 2005
18th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2005)

Organizing Committee: S. Kjelstrup (Chairman)
Scientific Council: J.E. Hustad (Chairman)

18th 2005

Guanajuato, Mexico

July 7 – 9, 2004
17th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy and Process Systems
(ECOS 2004)

Organizing Committee: R. Rivero (Chairman)
G. Tsatsaronis, M.J. Moran

17th 2004

Copenhagen, Denmark

June 30 – July 2, 2003
16th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2003)

Organizing Committee: B. Qvale (Chairman)
Scientific Committee: N. Houbak, M.J. Moran

16th 2003

Berlin, Germany

July 3 – 5, 2002
15th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS 2002)

G. Tsatsaronis, M.J. Moran
Honorary Chairman: K.F. Knoche

15th 2002

Istanbul, Turkey

July 4 – 6, 2001
Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS ´01)

A. Öztürk, A. Bejan, M. Feidt, Y.A. Gögüş
Honorary Chairman: E.P. Gyftopoulos

14th 2001

Enschede, The Netherlands

July 5 – 7, 2000
International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy and Process Systems
(ECOS 2000)

G.G. Hirs, G. Tsatsaronis, M.J. Moran
Honorary Chairman: J. Szargut

13th 2000

Tokyo, Japan

June 8 – 10, 1999
Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems
(ECOS ´99)

M. Ishida, G. Tsatsaronis, M.J. Moran, H. Kataoka

12th 1999

Nancy, France

July 8 – 10, 1998
Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems and Processes
(ECOS ´98)

M. Feidt, A. Bejan, M.J. Moran, G. Tsatsaronis
Honorary Chairmen: E.P. Gyftopoulos, P. Le Goff

11th 1998

Beijing, China

June 10 – 13, 1997
Thermodynamic Analysis and Improvement of Energy Systems
(TAIES ´97), International Conference

Organizing Committee: Jingyi Chen, E. Sciubba
Scientific Committee: Ruixian Cai, M.J.Moran, G. Tsatsaronis

10th 1997

Stockholm, Sweden

June 25 – 27, 1996
International Symposium on Efficiency, Costs, Optimization, Simulation and Environmental Aspects of Energy Systems
(ECOS ´96)

G. Svedberg, G. Manfrida, M.J.Moran, G. Tsatsaronis

9th 1996

Istanbul, Turkey

July 11 – 14, 1995
International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems
(ECOS ´95)

Y.A. Gögüs, A. Öztürk, G. Tsatsaronis

8th 1995

Florence, Italy

July 6 – 8, 1994
Florence World Energy Research Symposium
(FLOWERS ´94)

E. Carnevale, G. Manfrida, F. Martelli

7th 1994

Cracow, Poland

July 5 – 9, 1993
Energy Systems and Ecology
(ENSEC ´93), International Conference

J. Szargut, G. Tsatsaronis, Z. Kolenda, A. Ziebik

6th 1993

Zaragoza, Spain

June 15 – 18, 1992
International Symposium on Efficiency, Costs, Optimization and Simulation of Energy Systems
(ECOS ´92)

A. Valero, G. Tsatsaronis

5th 1992

Athens, Greece

June 3 – 6, 1991
Analysis of Thermal and Energy Systems
(ATHENS ´91), International Conference

Organizing Committee: G. Tsatsaronis, C.D. Rakopoulos
Executive Committee: D.A. Kouremenos, R.A. Gaggioli, M.J. Moran

4th 1991

Florence, Italy

May 28 – June 1, 1990
Florence World Energy Research Symposium
(FLOWERS ´90)

S.S. Stecco, M.J. Moran

3rd 1990

Beijing, China

June 5 – 8, 1989
Thermodynamic Analysis and Improvement of Energy Systems
(TAIES ´89), International Symposium

Organizing Committee: C.H. Wu, R.A. Gaggioli
Executive Committee: Ruixian Cai, M.J. Moran

2nd 1989

Rome, Italy

May 25 – 29, 1987
4th International Symposium on 2nd Law Analysis of Thermal Systems

Organizing Committee: R. Melli, E. Sciubba
Executive Committee: R.A. Gaggioli, M.J. Moran, E.Sciubba

1st 1987
Begining of the ECOS conference traditions