Dr. Germán Andrés Morales España

FORMER IIT MEMBER

Current position:

Research Area:

Energy Systems Models

Membership dates:

26/nov/2010 - 30/sep/2014

IEEE:

37078723700

Highlighted Publications

L. Montero, G. Morales-España, A. Bello, J. Reneses, "Tight and compact MILP formulation for a high-resolution of start-up costs in the medium-term unit commitment", Sustainable Energy, Grids and Networks, Vol. 44, pp. 101935, December 2025. [Online: August 2025] doi: 10.1016/j.segan.2025.101935
JCR-JIF: 5,700 Q1 (2025); - SJR: 1,239 Q1 (2025);
S. Yamujala, M. J. Koivisto, M. Korpas, M. McPherson, N. Helistö, D. Lew, D.A. Tejada, G. Morales-España, D. Flynn, B. Frew, T. Heggarty, J. Kiviluoma, H. Holttinen, "Synergies and trade-offs between storage, transmission, and sector coupling in high renewable energy systems", Energy, Vol. 334, pp. 137701, October 2025. [Online: July 2025] doi: 10.1016/j.energy.2025.137701
JCR-JIF: 10,100 Q1 (2025); - SJR: 2,060 Q1 (2025);
Z. Gao, M. Gazzani, D.A. Tejada, A. S. Siqueira, N. Wang, M. Gibescu, G. Morales-España, "Fully flexible temporal resolution for energy system optimization", Applied Energy, Vol. 396, pp. 126267, October 2025. [Online: June 2025] doi: 10.1016/j.apenergy.2025.126267
JCR-JIF: 12,200 Q1 (2025); - SJR: 2,864 Q1 (2025);
T. Klatzer, S. Wogrin, D.A. Tejada, G. Morales-España, "Tight MILP formulation for pipeline gas flow with linepack", International Journal of Electrical Power & Energy Systems, Vol. 169, pp. 110734, August 2025. [Online: May 2025] doi: 10.1016/j.ijepes.2025.110734
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);
D.A. Tejada, J. Kiviluoma, G. Morales-España, "Debunking the speed-fidelity trade-off: Speeding-up large-scale energy models while keeping fidelity", International Journal of Electrical Power & Energy Systems, Vol. 168, pp. 110674, July 2025. [Online: April 2025] doi: 10.1016/j.ijepes.2025.110674
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);

show 5 highlighted publications

Journal Publications

L. Montero, G. Morales-España, A. Bello, J. Reneses, "Tight and compact MILP formulation for a high-resolution of start-up costs in the medium-term unit commitment", Sustainable Energy, Grids and Networks, Vol. 44, pp. 101935, December 2025. [Online: August 2025] doi: 10.1016/j.segan.2025.101935
JCR-JIF: 5,700 Q1 (2025); - SJR: 1,239 Q1 (2025);
Z. Gao, M. Gazzani, D.A. Tejada, A. S. Siqueira, N. Wang, M. Gibescu, G. Morales-España, "Fully flexible temporal resolution for energy system optimization", Applied Energy, Vol. 396, pp. 126267, October 2025. [Online: June 2025] doi: 10.1016/j.apenergy.2025.126267
JCR-JIF: 12,200 Q1 (2025); - SJR: 2,864 Q1 (2025);
S. Yamujala, M. J. Koivisto, M. Korpas, M. McPherson, N. Helistö, D. Lew, D.A. Tejada, G. Morales-España, D. Flynn, B. Frew, T. Heggarty, J. Kiviluoma, H. Holttinen, "Synergies and trade-offs between storage, transmission, and sector coupling in high renewable energy systems", Energy, Vol. 334, pp. 137701, October 2025. [Online: July 2025] doi: 10.1016/j.energy.2025.137701
JCR-JIF: 10,100 Q1 (2025); - SJR: 2,060 Q1 (2025);
T. Klatzer, S. Wogrin, D.A. Tejada, G. Morales-España, "Tight MILP formulation for pipeline gas flow with linepack", International Journal of Electrical Power & Energy Systems, Vol. 169, pp. 110734, August 2025. [Online: May 2025] doi: 10.1016/j.ijepes.2025.110734
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);
D.A. Tejada, J. Kiviluoma, G. Morales-España, "Debunking the speed-fidelity trade-off: Speeding-up large-scale energy models while keeping fidelity", International Journal of Electrical Power & Energy Systems, Vol. 168, pp. 110674, July 2025. [Online: April 2025] doi: 10.1016/j.ijepes.2025.110674
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);
D.A. Tejada, A. S. Siqueira, Ö. Özdemir, G. Morales-España, "TulipaProfileFitting.jl: a Julia package for fitting renewable energy time series profiles", SoftwareX, Vol. 27, pp. 101844, September 2024. [Online: August 2024] doi: 10.1016/j.softx.2024.101844
JCR-JIF: 2,400 Q2 (2024); 1,900 Q3 (2025) - SJR: 0,483 Q3 (2024); 0,499 Q2 (2025)
G. Morales-España, R. Hernández-Serna, D.A. Tejada, M. Weeda, "Impact of large-scale hydrogen electrification and retrofitting of natural gas infrastructure on the European power system", International Journal of Electrical Power & Energy Systems, Vol. 155, nº. Part B, pp. 109686, January 2024. [Online: November 2023] doi: 10.1016/j.ijepes.2023.109686
JCR-JIF: 5,000 Q1 (2024); 5,300 Q1 (2025) - SJR: 1,714 Q1 (2024); 1,482 Q1 (2025)
Y. Yasuda, E.M. Carlini, A. Estanqueiro, P.B. Eriksen, D. Flynn, L. F. Herre, B.M. Hodge, H. Holttinen, M. J. Koivisto, E. Gómez-Lózaro, S. Martín Martínez, N. Menemenlis, G. Morales-España, Ch. Pellinger, A. Ramos, Ch. Smith, T. K. Vrana, "Flexibility chart 2.0: an accessible visual tool to evaluate flexibility resources in power systems", Renewable & Sustainable Energy Reviews, Vol. 174, pp. 113116, March 2023. [Online: January 2023] doi: 10.1016/j.rser.2022.113116
JCR-JIF: 16,300 Q1 (2023); 18,000 Q1 (2025) - SJR: 3,596 Q1 (2023); 3,995 Q1 (2025)
D.A. Tejada, G. Morales-España, S. Wogrin, E. Centeno, "Power-based generation expansion planning for flexibility requirements", IEEE Transactions on Power Systems, Vol. 35, nº. 3, pp. 2012 - 2023, May 2020. [Online: October 2019] doi: 10.1109/TPWRS.2019.2940286
JCR-JIF: 6,663 Q1 (2020); 8,700 Q1 (2025) - SJR: 3,312 Q1 (2020); 4,217 Q1 (2025)
G. Morales-España, D.A. Tejada, "Modeling the hidden flexibility of clustered unit commitment", IEEE Transactions on Power Systems, Vol. 34, nº. 4, pp. 3294 - 3296, July 2019. [Online: March 2019] doi: 10.1109/TPWRS.2019.2908051
JCR-JIF: 6,074 Q1 (2019); 8,700 Q1 (2025) - SJR: 3,434 Q1 (2019); 4,217 Q1 (2025)
C. Gentile, G. Morales-España, A. Ramos, "A tight MIP formulation of the unit commitment problem with start-up and shut-down constraints", EURO Journal on Computational Optimization, Vol. 5, nº. 1, pp. 177 - 201, March 2017. [Online: April 2016] doi: 10.1007/s13675-016-0066-y
JCR-JIF: 1,200 Q4 (2025) - SJR: Q1 (2017); 0,616 Q2 (2025)
C.M. Correa-Posada, G. Morales-España, P. Dueñas, P. Sánchez, "Dynamic ramping model including intraperiod ramp-rate changes in unit commitment", IEEE Transactions on Sustainable Energy, Vol. 8, nº. 1, pp. 43 - 50, January 2017. [Online: June 2016] doi: 10.1109/TSTE.2016.2578302
JCR-JIF: 6,235 Q1 (2017); 10,300 Q1 (2025) - SJR: Q1 (2017); 4,318 Q1 (2025)
G. Morales-España, R. Baldick, J. García-González, A. Ramos, "Power-capacity and ramp-capability reserves for wind integration in power-based UC", IEEE Transactions on Sustainable Energy, Vol. 7, nº. 2, pp. 614 - 624, April 2016. [Online: November 2015] doi: 10.1109/TSTE.2015.2498399
JCR-JIF: 4,909 Q1 (2016); 10,300 Q1 (2025) - SJR: Q1 (2016); 4,318 Q1 (2025)
G. Morales-España, C.M. Correa-Posada, A. Ramos, "Tight and compact MIP formulation of configuration-based combined-cycle units", IEEE Transactions on Power Systems, Vol. 31, nº. 2, pp. 1350 - 1359, March 2016. [Online: May 2015] doi: 10.1109/TPWRS.2015.2425833
JCR-JIF: 5,680 Q1 (2016); 8,700 Q1 (2025) - SJR: Q1 (2016); 4,217 Q1 (2025)
G. Morales-España, C. Gentile, A. Ramos, "Tight MIP formulations of the power-based unit commitment problem", Or Spectrum, Vol. 37, nº. 4, pp. 929 - 950, October 2015. [Online: May 2015] doi: 10.1007/s00291-015-0400-4
JCR-JIF: 1,395 Q2 (2015); 2,300 Q3 (2025) - SJR: 0,720 Q2 (2025)
I. Momber, G. Morales-España, A. Ramos, T. Gómez, "PEV storage in multi-bus scheduling problems", IEEE Transactions on Smart Grid, Vol. 5, nº. 2, pp. 1079 - 1087, March 2014. [Online: February 2014] doi: 10.1109/TSG.2013.2290594
JCR-JIF: 4,252 Q1 (2014); 10,100 Q1 (2025) - SJR: Q1 (2014); 4,363 Q1 (2025)
G. Morales-España, A. Ramos, J. García-González, "An MIP formulation for joint market-clearing of energy and reserves based on ramp scheduling", IEEE Transactions on Power Systems, Vol. 29, nº. 1, pp. 476 - 488, January 2014. [Online: May 2013] doi: 10.1109/TPWRS.2013.2259601
JCR-JIF: 2,814 Q1 (2014); 8,700 Q1 (2025) - SJR: Q1 (2014); 4,217 Q1 (2025)
G. Morales-España, J.M. Latorre, A. Ramos, "Tight and compact MILP formulation for the thermal unit commitment problem", IEEE Transactions on Power Systems, Vol. 28, nº. 4, pp. 4897 - 4908, November 2013. [Online: March 2013] doi: 10.1109/TPWRS.2013.2251373
JCR-JIF: 3,530 Q1 (2013); 8,700 Q1 (2025) - SJR: Q1 (2013); 4,217 Q1 (2025)
G. Morales-España, J.M. Latorre, A. Ramos, "Tight and compact MILP formulation of start-up and shut-down ramping in unit commitment", IEEE Transactions on Power Systems, Vol. 28, nº. 2, pp. 1288 - 1296, May 2013. [Online: November 2012] doi: 10.1109/TPWRS.2012.2222938
JCR-JIF: 3,530 Q1 (2013); 8,700 Q1 (2025) - SJR: Q1 (2013); 4,217 Q1 (2025)
G. Morales-España, J. García-González, A. Ramos, "Impact on reserves and energy delivery of current UC-based market-clearing formulations", RSCAS Working Papers, Vol. 2012/57, pp. 1 - 13, November 2012.
P. Sánchez, G. Sánchez González, G. Morales-España, "Direct load control decision model for aggregated EV charging points", IEEE Transactions on Power Systems, Vol. 27, nº. 3, pp. 1577 - 1584, August 2012. [Online: February 2012] doi: 10.1109/TPWRS.2011.2180546
JCR-JIF: 2,921 Q1 (2012); 8,700 Q1 (2025) - SJR: Q1 (2012); 4,217 Q1 (2025)
G. Morales-España, R. Barrera-Cárdenas, G. Ordóñez Plata, "Análisis en el plano r-x para localizar fallas de alta impedancia", Ingeniare. Revista Chilena de Ingeniería, Vol. 17, nº. 2, pp. 213 - 222, August 2009. doi: 10.4067/S0718-33052009000200010
SJR: 0,144 Q4 (2025)
G. Morales-España, J. Mora-Flórez, H. Vargas, "Elimination of multiple estimation for fault location in radial power systems by using fundamental Single-End measurements", IEEE Transactions on Power Delivery, Vol. 24, nº. 3, pp. 1382 - 1389, July 2009. [Online: June 2009] doi: 10.1109/TPWRD.2009.2013400
JCR-JIF: 1,161 (2009); 4,700 Q2 (2025) - SJR: 1,720 Q1 (2025)
J. Mora-Flórez, G. Morales-España, S. Pérez-Londoño, "Learning-based strategy for reducing the multiple estimation problem of fault zone location in radial power systems", IET Generation, Transmission & Distribution, Vol. 3, nº. 4, pp. 346 - 356, April 2009. doi: 10.1049/iet-gtd.2008.0164
JCR-JIF: 0,856 (2009); 2,800 Q2 (2025) - SJR: 0,696 Q2 (2025)
G. Morales-España, R. Barrera-Cárdenas, H. Vargas, "Ubicación Única de fallas en sistemas de distribución por medio de zonas con svm", Revista Facultad de Ingeniería, Vol. 47, pp. 187 - 196, March 2009.
JCR-JIF: 0,031 (2009); 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)
J. Mora-Flórez, G. Morales-España, R. Barrera-Cárdenas, "Evaluación del clasificador basado en los k vecinos más cercanos para la localización de la zona en falla en los sistemas de potencia", Revista Ingeniería e Investigación, Vol. 28, nº. 3, pp. 81 - 86, December 2008.
JCR-JIF: 0,700 Q4 (2025) - SJR: 0,214 Q3 (2025)
G. Morales-España, J. Mora-Flórez, H. Vargas, "Estrategia de regresión basada en el método de los k vecinos más cercanos para la estimación de la distancia de falla en sistemas radiales", Revista Facultad de Ingeniería, Vol. 45, pp. 100 - 108, September 2008.
JCR-JIF: 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)
J. Mora-Flórez, G. Morales-España, S. Pérez-Londoño, "Classification methodology and feature selection to assist fault location in power distribution systems", Revista Facultad de Ingeniería, Vol. 44, pp. 83 - 96, June 2008.
JCR-JIF: 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)
G. Morales-España, R. Barrera-Cárdenas, J. Mora-Flórez, "Reconocimiento de comandos por voz con máquinas de soporte vectorial a través de bandas espectrales", Revista Scientia et Technica, Vol. 37, pp. 79 - 84, December 2007.
G. Morales-España, J. Mora-Flórez, H. Vargas, "Método de localización de fallas en sistemas de distribución basado en gráficas de reactancia", Revista Scientia et Technica, Vol. 34, pp. 49 - 54, May 2007.

show 30 journal publications

Projects

Model to determine the short-term operation reserve requirements in a power system with high penetration of renewable energies. Carried out for Cátedra Iberdrola. Jan/2012-Dec/2015

show 1 projects

Ph.D. Thesis

Developed:

G. Morales-España, "Unit commitment: computational performance, system representation and wind uncertainty management", PhD. dissertation, Comillas Pontifical University, Madrid, Spain, 2014.

show 1 Ph.D. Thesis

Conference Papers

show 30 conference papers

Invited Conferences and Seminars

Workshop "Robust reserve modeling for wind power integration in day-ahead unit commitment" KERMIT Users Summit. Dnv Gl. Austin (United States of America). Mar 2014.
Conference "Tight and compact MILP formulations for unit commitment problems" FERC Technical Conference on Increasing Real-Time And Day-Ahead Market Efficiency Through Improved Software. Federal Energy Regulatory Commission (FERC). Washington (United States of America). Jun 2013.
Conference "Modeling start-up & shut-down ramps of thermal units in unit-commitment formulations" Workshop "Advanced Optimisation methods and their applications to unit commitment in energy management". Paris (France). Nov 2011.
Conference "Start-up & shut-down ramping of thermal units in unit commitment" 7th Workshop on Industrial Systems and Energy Technologies - JOSITE'2011. Instituto de Investigación Tecnológica. Universidad Pontificia Comillas. Madrid (Spain). Jun 2011.
Seminar "Zotero: manage your references and files in one place" Aula de investigación. Universidad Pontificia Comillas. Madrid (Spain). Jan 2011.

show 5 invited conferences and seminars

Working Papers

show 8 working papers

Fellowships and Awards

«Impact on Reserves and Energy Delivery of Current UC-based Market-Clearing Formulations» "Second Best Paper Prize on «9th International Conference on the European Energy Market - EEM 12»". European University Institute. Florence (Italy). May 2012.

show 1 fellowships and awards

Dr. Germán Andrés Morales España

Highlighted Publications

Journal Publications

G. Morales-España, C. Gentile, A. Ramos, "Tight MIP formulations of the power-based unit commitment problem", Or Spectrum, Vol. 37, nº. 4, pp. 929 - 950, October 2015. [Online: May 2015] doi: 10.1007/s00291-015-0400-4 JCR-JIF: 1,395 Q2 (2015); 2,300 Q3 (2025) - SJR: 0,720 Q2 (2025)

G. Morales-España, R. Barrera-Cárdenas, G. Ordóñez Plata, "Análisis en el plano r-x para localizar fallas de alta impedancia", Ingeniare. Revista Chilena de Ingeniería, Vol. 17, nº. 2, pp. 213 - 222, August 2009. doi: 10.4067/S0718-33052009000200010 SJR: 0,144 Q4 (2025)

G. Morales-España, R. Barrera-Cárdenas, H. Vargas, "Ubicación Única de fallas en sistemas de distribución por medio de zonas con svm", Revista Facultad de Ingeniería, Vol. 47, pp. 187 - 196, March 2009. JCR-JIF: 0,031 (2009); 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)

J. Mora-Flórez, G. Morales-España, S. Pérez-Londoño, "Classification methodology and feature selection to assist fault location in power distribution systems", Revista Facultad de Ingeniería, Vol. 44, pp. 83 - 96, June 2008. JCR-JIF: 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)

Projects

Ph.D. Thesis

Developed:

Conference Papers

Invited Conferences and Seminars

Workshop "Robust reserve modeling for wind power integration in day-ahead unit commitment" KERMIT Users Summit. Dnv Gl. Austin (United States of America). Mar 2014.

Conference "Tight and compact MILP formulations for unit commitment problems" FERC Technical Conference on Increasing Real-Time And Day-Ahead Market Efficiency Through Improved Software. Federal Energy Regulatory Commission (FERC). Washington (United States of America). Jun 2013.

Conference "Modeling start-up & shut-down ramps of thermal units in unit-commitment formulations" Workshop "Advanced Optimisation methods and their applications to unit commitment in energy management". Paris (France). Nov 2011.

Conference "Start-up & shut-down ramping of thermal units in unit commitment" 7th Workshop on Industrial Systems and Energy Technologies - JOSITE'2011. Instituto de Investigación Tecnológica. Universidad Pontificia Comillas. Madrid (Spain). Jun 2011.

Seminar "Zotero: manage your references and files in one place" Aula de investigación. Universidad Pontificia Comillas. Madrid (Spain). Jan 2011.

Working Papers

Fellowships and Awards

«Impact on Reserves and Energy Delivery of Current UC-based Market-Clearing Formulations» "Second Best Paper Prize on «9th International Conference on the European Energy Market - EEM 12»". European University Institute. Florence (Italy). May 2012.

G. Morales-España, C. Gentile, A. Ramos, "Tight MIP formulations of the power-based unit commitment problem", Or Spectrum, Vol. 37, nº. 4, pp. 929 - 950, October 2015. [Online: May 2015] doi: 10.1007/s00291-015-0400-4
JCR-JIF: 1,395 Q2 (2015); 2,300 Q3 (2025) - SJR: 0,720 Q2 (2025)

G. Morales-España, R. Barrera-Cárdenas, G. Ordóñez Plata, "Análisis en el plano r-x para localizar fallas de alta impedancia", Ingeniare. Revista Chilena de Ingeniería, Vol. 17, nº. 2, pp. 213 - 222, August 2009. doi: 10.4067/S0718-33052009000200010
SJR: 0,144 Q4 (2025)

G. Morales-España, R. Barrera-Cárdenas, H. Vargas, "Ubicación Única de fallas en sistemas de distribución por medio de zonas con svm", Revista Facultad de Ingeniería, Vol. 47, pp. 187 - 196, March 2009.
JCR-JIF: 0,031 (2009); 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)

J. Mora-Flórez, G. Morales-España, S. Pérez-Londoño, "Classification methodology and feature selection to assist fault location in power distribution systems", Revista Facultad de Ingeniería, Vol. 44, pp. 83 - 96, June 2008.
JCR-JIF: 0,400 Q4 (2025) - SJR: 0,191 Q4 (2025)