Biography:
Tomás Gómez San Román is a retired professor of Electrical Engineering at the Engineering School of Universidad Pontificia Comillas in Madrid, Spain.
He obtained the Degree of Doctor Ingeniero Industrial from Universidad Politécnica, Madrid, in 1989, and the Degree of Ingeniero Industrial in Electrical Engineering from Comillas in 1982.
He joined the Institute for Research in Technology (IIT) in 1984. He has served as Director of IIT, and Vice-Rector of Research, Development, and Innovation of Comillas.
Prof. Gómez has a large experience in industry joint research projects in the field of Electric Energy Systems in collaboration with Spanish, Latin American, and European institutions.
He has been project manager and/or principal investigator in more than 80 research projects.
His areas of interest are operation and planning of transmission and distribution systems, power quality assessment and regulation, and economic and regulatory issues in the electrical power sector.
He has published more than 100 articles in different specialized magazines such as IEEE PES Transactions and Conference proceedings, and has co-authored the book «Electricity Economics: Regulation and Deregulation» in Wiley-IEEE Press.
He is a Life Senior member of IEEE.
He was the president of the Council of the Power System Computation Conference and belonged to the Technical Committees of other Conferences: Probabilistic Methods Applied to Power Systems and IEEE Power Tech.
He has been visiting researcher at the Energy Analysis Department of the Lawrence Berkeley National Laboratory in California.
From May 2011 to October 2013 he served as commissioner at the Spanish Energy Regulatory Commission (CNE).
Recognized among the top 2% of the world’s most-cited scientists by Stanford University and Elsevier.
Areas of interest:
Economics and regulation of the energy sector. Planning and operation of transmission and distribution electricity networks. Integration of renewable and distributed energy resources in power systems. Power quality standards and regulation. Electric vehicles. Smart grids.
Experience:
Prof. Gómez has more than 35 years of experience in leading and participating in research projects in collaboration with industry and institutions in the energy sector. He has been active in more than 150 projects, with private and public financing, in more than 30 countries in Europe, US and Canada, Latin America, and India. He has served as a commissioner at the Spanish Energy Regulatory Commission and currently is an advisor in the training program of the Council of European Energy Regulators.
Skills:
Regulation of energy networks as a mix of engineering, economics, and law.
Current research interests:
Large-scale synthetic distribution network models, advanced tariff design, local flexibility markets, DSO regulation and digitalization.
M.A. Ruiz, T. Gómez, J.P. Chaves, "Trigger rules optimization for adaptable investment in distribution substation capacity under uncertainty: Untapping the value of flexibility", International Journal of Electrical Power & Energy Systems, Vol. 181, pp. 112110, August 2026. [Online: August 2026] doi: 10.1016/j.ijepes.2026.112110
M.A. Ruiz, T. Gómez, J.P. Chaves, "Promoting efficiency with neutral operational/capital incentives under uncertainty: A comparison of electricity distribution remuneration schemes", International Journal of Electrical Power & Energy Systems, Vol. 176, pp. 111735, March 2026. [Online: March 2026] doi: 10.1016/j.ijepes.2026.111735
J.P. Chaves, P. Mastropietro, M. Troncia, P. González, T. Gómez, "The allocation of system costs: Future-proofed methodologies for decarbonising European power sectors", Sustainable Energy, Grids and Networks, Vol. 45, pp. 102143, March 2026. [Online: February 2026] doi: 10.1016/j.segan.2026.102143
M. Valarezo, T. Gómez, J.P. Chaves, C. Alcarruz, P. Mancarella, "Co-optimizing network investment, reconfiguration, and third-party flexibility for congestion management in active distribution networks", International Journal of Electrical Power & Energy Systems, Vol. 172, pp. 111094, November 2025. [Online: September 2025] doi: 10.1016/j.ijepes.2025.111094
M. Martínez, C. Mateo, T. Gómez, B. Alonso Santos, P. Frías, "Distributed battery energy storage systems for deferring distribution network reinforcements under sustained load growth scenarios", Journal of Energy Storage, Vol. 100, nº. Part A, pp. 113404, October 2024. [Online: August 2024] doi: 10.1016/j.est.2024.113404
M. Martínez, C. Mateo, T. Gómez, B. Alonso Santos, P. Frías, "A hybrid particle swarm optimization approach for explicit flexibility procurement in distribution network planning", International Journal of Electrical Power & Energy Systems, Vol. 161, pp. 110215, October 2024. [Online: September 2024] doi: 10.1016/j.ijepes.2024.110215
N. Rodríguez Pérez, J. Matanza, G. López, R. Cossent, J.P. Chaves, C. Mateo, T. Gómez, M.A. Sánchez Fornié, "Measuring the digitalisation of electricity distribution systems in Europe: towards the smart grid", International Journal of Electrical Power & Energy Systems, Vol. 159, pp. 110009, August 2024. [Online: April 2024] doi: 10.1016/j.ijepes.2024.110009
C. Mateo, F. Postigo Marcos, T. Elgindy, A.B. Birchfield, P. Dueñas, B. Palmintier, N. Panossian, T. Gómez, F. de Cuadra, T.J. Overbye, F. Safdarian, D. Wallison, "Building and validating a large-scale combined transmission & distribution synthetic electricity system of Texas", International Journal of Electrical Power & Energy Systems, Vol. 159, pp. 110037, August 2024. [Online: May 2024] doi: 10.1016/j.ijepes.2024.110037
L. De Rosa, M. Martínez, J.I. Linares, C. Mateo, T. Gómez, R. Cossent, F. Postigo Marcos, A. Sánchez, F. Martín, "Design and assessment of energy infrastructure in new decarbonized urban districts: a Spanish case study", Energy Reports, Vol. 11, pp. 4631 - 4641, June 2024. [Online: April 2024] doi: 10.1016/j.egyr.2024.04.037
D. Ziegler, G. Prettico, C. Mateo, T. Gómez, "Methodology for integrating flexibility into realistic large-scale distribution network planning using Tabu search", International Journal of Electrical Power & Energy Systems, Vol. 152, pp. 109201, October 2023. [Online: May 2023] doi: 10.1016/j.ijepes.2023.109201
M.A. Ruiz, T. Gómez, J.P. Chaves, R. Cossent, "Regulatory challenges for energy infrastructure—Do electricity distribution remuneration schemes in Europe promote the use of flexibility from connected users?", Current Sustainable/Renewable Energy Reports, Vol. 10, nº. 3, pp. 112 - 117, September 2023. [Online: June 2023] doi: 10.1007/s40518-023-00214-5
S. Huclin, J.P. Chaves, A. Ramos, M. Rivier, T. Freire-Barceló, F. Martín, T. Gómez, A. Sánchez, "Exploring the roles of storage technologies in the Spanish electricity system with high share of renewable energy", Energy Reports, Vol. 8, pp. 4041 - 4057, November 2022. [Online: March 2022] doi: 10.1016/j.egyr.2022.03.032
T. Freire-Barceló, F. Martín, A. Sánchez, M. Rivier, T. Gómez, S. Huclin, J.P. Chaves, A. Ramos, "Storage and demand response contribution to firm capacity: analysis of the Spanish electricity system", Energy Reports, Vol. 8, pp. 10546 - 10560, November 2022. [Online: August 2022] doi: 10.1016/j.egyr.2022.08.014
M. Troncia, J.P. Chaves, F. Pilo, T. Gómez, "Remuneration mechanisms for investment in reactive power flexibility", Sustainable Energy, Grids and Networks, Vol. 27, pp. 100507, September 2021. [Online: June 2021] doi: 10.1016/j.segan.2021.100507
M. Valarezo, T. Gómez, J.P. Chaves, L. Lind, M. Correa, D. Ziegler, R. Escobar, "Analysis of new flexibility market models in Europe", Energies, Vol. 14, nº. 12, pp. 3521, June 2021. [Online: June 2021] doi: 10.3390/en14123521
C.A. García-Montoya, J.M. López-Lezama, T. Gómez, "Estimación del costo de distribución de la energía eléctrica en Colombia considerando generación distribuida fotovoltaica", Información Tecnológica, Vol. 32, nº. 1, pp. 79 - 88, February 2021. [Online: February 2021] doi: 10.4067/S0718-07642021000100079
H. Li, J.L. Wert, A.B. Birchfield, T.J. Overbye, T. Gómez, C. Mateo, F. Postigo Marcos, P. Dueñas, T. Elgindy, B. Palmintier, "Building highly detailed synthetic electric grid data sets for combined transmission and distribution systems", IEEE Open Access Journal of Power and Energy, Vol. 7, pp. 478 - 488, 2020. [Online: October 2020] doi: 10.1109/OAJPE.2020.3029278
F. Postigo Marcos, C. Mateo, T. Gómez, R. Cossent, "Location and sizing of micro-grids to improve continuity of supply in radial distribution networks", Energies, Vol. 13, nº. 13, pp. 3495, July 2020. [Online: July 2020] doi: 10.3390/en13133495
N. Morell, J.P. Chaves, T. Gómez, "Revisiting electricity network tariffs in a context of decarbonization, digitalization, and decentralization", Energies, Vol. 13, nº. 12, pp. 3111, June 2020. [Online: June 2020] doi: 10.3390/en13123111
I.C. González-Romero, S. Wogrin, T. Gómez, "Review on generation and transmission expansion co-planning models under a market environment", IET Generation, Transmission & Distribution, Vol. 14, nº. 6, pp. 931 - 944, March 2020. [Online: February 2020] doi: 10.1049/iet-gtd.2019.0123
L. Söder, E. Tómasson, A. Estanqueiro, D. Flynn, B.M. Hodge, J. Kiviluoma, M. Korpas, E. Neau, A. Couto, D. Pudjianto, G. Strbac, D.L. Burke, T. Gómez, K. Das, et al., "Review of wind generation within adequacy calculations and capacity markets for different power systems", Renewable & Sustainable Energy Reviews, Vol. 119, pp. 109540, March 2020. [Online: November 2019] doi: 10.1016/j.rser.2019.109540
C.A. García-Montoya, J.M. López-Lezama, T. Gómez, "Estimación del gasto total (TOTEX) de empresas de distribución mediante modelos de red de referencia y de fronteras de eficiencia", Información Tecnológica, Vol. 31, nº. 1, pp. 183 - 192, February 2020. [Online: February 2020] doi: 10.4067/S0718-07642020000100183
I.C. González-Romero, S. Wogrin, T. Gómez, "Proactive transmission expansion planning with storage considerations", Energy Strategy Reviews, Vol. 24, pp. 154 - 165, April 2019. [Online: March 2019] doi: 10.1016/j.esr.2019.02.006
F. Postigo Marcos, C. Mateo, T. Gómez, B. Palmintier, B.M. Hodge, V. Krishnan, F. de Cuadra, B. Mather, "A review of power distribution test feeders in the United States and the need for synthetic representative networks", Energies, Vol. 10, nº. 11, pp. 1896, November 2017. [Online: November 2017] doi: 10.3390/en10111896
I. Abdelmotteleb, T. Gómez, J. Reneses, "Evaluation methodology for tariff design under escalating penetrations of Distributed Energy Resources", Energies, Vol. 10, nº. 6, pp. 778, June 2017. [Online: June 2017] doi: 10.3390/en10060778
B.P. Koirala, J.P. Chaves, T. Gómez, R.A. Hakvoort, P. M. Herder, "Local alternative for energy supply: performance assessment of integrated community energy systems", Energies, Vol. 9, nº. 12, pp. 981, December 2016. [Online: November 2016] doi: 10.3390/en9120981
I. Abdelmotteleb, T. Gómez, J.P. Chaves, "Distribution-level flexibility provision through simultaneous ascending auctions", presented at 25th International Conference and Exhibition on Electricity Distribution - CIRED 2019, Madrid, Spain, 03-06 June 2019. In: CIRED 2019: Conference proceedings, pp. 1-5, doi: 10.34890/950
V. Krishnan, B. Palmintier, B.M. Hodge, E.T. Hale, T. Elgindy, B. Bugbee, M.N. Rossol, A.J. Lopez, D. Krishnamurthy, C.R. Vergara Ramírez, C. Mateo, F. Postigo Marcos, F. de Cuadra, T. Gómez, P. Dueñas, M. Luke, V. Li, M. Vinoth, S. Kadankodu, "Smart-DS: synthetic models for advanced, realistic testing: distribution systems and scenarios", presented at Technical Conference to Increase Real-Time and Day-Ahead Efficiency Through Software - FERC 2017, Washington, United States of America, 26-28 June 2017
M. Martínez, F. Martín, A. Ramos, C. Mateo, T. Gómez, J.P. Chaves, "Cuantificación de los beneficios técnico-económicos del despliegue del almacenamiento distribuido y la respuesta de la demanda.". Project: SAMSO_BATERIAS_DR_2024. Funded by Samso EDS S.L, UNEF, AEPIBAL, PIMEC, OCTOPUS. Aug/2025. IIT-25-224I
M. Troncia, J.P. Chaves, C. Valor, T. Gómez, E.C. Ormeño-Mejía, V.K. Moreno, M.A. Ruiz, J. Villar, F. Coelho, L. Rodrigues, B. Del Guayo, "Clustering plan and education and learning programme - 1". Project: BeFlexible / WP8/ T.4 y WP8/ T.5 / D8.6. Funded by Comisión Europea whitin "Horizon 2020 – Cooperation / Energy". Aug/2024. IIT-24-339I
R. Bessa, J. Villar, F. Coelho, L. Rodrigues, K. Ganesan, J. Mello, D. Faria, M. Troncia, J.P. Chaves, M.A. Ruiz, E.C. Ormeño-Mejía, T. Gómez, L. Ruiz, "Framework for a flexibility-centric energy and cross-sector value chain, Business Use Cases and KPIs definition". Project: BeFlexible / WP1/ T. 1.4 / D1.2. Funded by Comisión Europea whitin "Horizon 2020 – Cooperation / Energy". Apr/2024. IIT-24-248I
M. Troncia, M.A. Ruiz, E.C. Ormeño-Mejía, J.J. Fernández García, N. Morell, L. Herding, M. Valarezo, S. Bindu, J.P. Chaves, T. Gómez, D. Davi, S. Gallego, S. Cianotti, C. Manaresi, A. Christensson, A. Malot, T. De Marco, F. Lucidi, "Regulatory framework for fostering flexibility deployment: roles, responsibility of agents & flexibility mechanism designs". Project: BeFlexible / WP1/ T. 1.2 / D1.1. Funded by Comisión Europea whitin "Horizon 2020 – Cooperation / Energy". Apr/2024. IIT-24-116I
V. Reif, M. Valarezo, T. Gómez, J.P. Chaves, M. Lacerda, B. Corceiro, S. Gandhi, G. Willeghems, A. Sanjab, "Regulatory and demo assessment of proposed integrated markets". Project: OneNet / WP3/ T4 / D3.4. Funded by European Commission whitin "Horizon 2020 – Cooperation / Energy". Aug/2023. IIT-23-371I
P. González, D. Davi, E. Faure, F.J. Leiva, E. Morgades, S. Gallego, F.D. Martín Utrilla, F. García Martínez, M. Gaudó, J.P. Chaves, M. Correa, T. Gómez, "Flexibilidad en redes de distribución eléctrica: guía explicativa para la tramitación de proyectos de demostración regulatorios". Project: Futured_Sandbox. Funded by Endesa RED S.A. Sep/2021. IIT-21-208I
M. Troncia, D. Ziegler, T. Gómez, J.P. Chaves, E. Beckstedde, L. Meeus, J. Villar, A. Rodrigues de Oliveira, B. Czarnecki, R. Magulski, T. Knop, C. Augusto, C. Marin, G. Faria, "Challenges and opportunities for electricity grids and markets". Project: EUniversal / WP1, T1.3 / D1.3. Funded by European Comission whitin "H2020 – LC-ES-1-2019". Sep/2021. IIT-21-147I
J.P. Chaves, D. Davi, E. Faure, P.A. Simón, P. González, F. García Martínez, F.J. Leiva, J. Varela, F.D. Martín Utrilla, J. González, J. Merediz, J.L. Varea, T. Gómez, M. Correa, E. Morgades, M. Gaudó, "Flexibilidad en redes de distribución eléctrica". Project: Futured_Sandbox. Funded by Endesa RED S.A. Mar/2021. IIT-21-037I
L. Simons, T. Gómez, P. Frías, "Innovative business models for market uptake of renewable electricity unlocking the potential for flexibility in the industrial electricity use. Policy recommendations". Project: IndustRE / WP5-T5.3 / D 5.2. Funded by Comisión Europea whitin "H2020-EU.3.3.". Sep/2017. IIT-17-180I
I.J. Pérez-Arriaga, T. Gómez, C. Batlle, P. Rodilla, R. Cossent, I. Herrero, I. Usera, P. Mastropietro, S. Vinci, J.P. Chaves, B.P. Koirala, F. Boschi, B. Parajuli, "Adapting market design to high shares of variable renewable energy". Project: IRENA-Policies. Funded by International Renewable Energy Agency (IRENA). May/2017. IIT-17-104I
I.J. Pérez-Arriaga, C. Batlle, T. Gómez, J.P. Chaves, P. Rodilla, I. Herrero, P. Dueñas, C.R. Vergara Ramírez, A. Bharatkumar, S. Burger, S. Huntington, J. D. Jenkins, M. Luke, R. Miller, "Utility of the future: an MIT Energy Initiative response to an industry in transition". Project: UOF-MIT. Funded by Massachusetts Institute of Technology (MIT). Dec/2016. IIT-16-171I
F. Nieuwenhout, J. Jansen, A. van der Welle, L. Olmos, R. Cossent, T. Gómez, J. Poot, M. Bongaerts, D. Trebolle, B. Doersam, S. Bofinger, P. Lichtner, N. Gerhardt, H. Jacobsen, S. Ropenus, S.T. Schröder, H. Auer, W. Prüggler, C. Obersteiner, K. Zach, "Regulatory strategies for selected Member States (Denmark, Germany, Netherlands, Spain, the UK)". Project: IMPROGRES / WP6 / D8. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". May/2010. IIT-10-070I
F. Nieuwenhout, J. Jansen, A. van der Welle, L. Olmos, R. Cossent, T. Gómez, J. Poot, M. Bongaerts, D. Trebolle, B. Doersam, S. Bofinger, N. Gerhardt, H. Jacobsen, S. Ropenus, S.T. Schröder, H. Auer, L. Weissensteiner, W. Prüggler, C. Obersteiner, K. Zach, "Market and regulatory incentives for cost efficient integration of DG in the electricity system". Project: IMPROGRES / WP6 / D7. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". May/2010. IIT-10-071I
R. Cossent, L. Olmos, T. Gómez, C. Mateo, F. Nieuwenhout, C. Obersteiner, Ö. Özdemir, D. Trebolle, J. Poot, M. Bongaerts, B. Doersam, "The role of alternative network response options in minimising the costs of DG integration into power networks". Project: IMPROGRES / WP5 / D6. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Mar/2010. IIT-10-069I
L. Olmos, R. Cossent, T. Gómez, C. Mateo, J. de Joode, M. Scheepers, F. Nieuwenhout, J. Poot, M. Bongaerts, D. Trebolle, B. Doersam, S. Bofinger, U. Cali, N. Gerhardt, "Case studies of system costs of distribution areas". Project: IMPROGRES / WP4 / D5. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Sep/2009. IIT-09-091I
F.M. Andersen, P.E. Grohnheit, P. Mancarella, D. Pudjianto, G. Strbac, L. Olmos, T. Gómez, E. Lobato, "Recommendation of policy and regulatory options - for facilitating large shares of intermittent RES into the power supply system". Project: RESPOND / WP5 / D7. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Jul/2009. IIT-09-093I
S. Ropenus, S.T. Schröder, H. Jacobsen, L. Olmos, T. Gómez, R. Cossent, "Assessment of interactions between the economics of distributed generators, distribution system operators and markets". Project: IMPROGRES / WP2-T2.2-2.4 / D3. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Feb/2009. IIT-09-089I
E. Lobato, L. Olmos, T. Gómez, F.M. Andersen, P.E. Grohnheit, P. Mancarella, D. Pudjianto, F. Van Oostvoorn, A. van der Welle, "Regulatory and other barriers in the implementation of response options to reduce impacts from variable RES sources". Project: RESPOND / WP4 / D6. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Jan/2009. IIT-09-092I
R. Cossent, P. Frías, T. Gómez, J. Fucsko, A. van der Welle, F. Van Oostvoorn, "Current state of and recommendations for improvement of the network regulations for large-scale Integration of DER into the European electricity market". Project: SOLID-DER / WPI – Phase II / D1.3-Part A. Funded by Comisión Europea whitin "FP6". Dec/2008. IIT-08-094I
T. Gómez, J. Rivier, P. Frías, S. Ropenus, A. van der Welle, D. Bauknecht, "Guidelines for improvement on the short term of electricity distribution network regulation for enhancing the share of DG". Project: DG-GRID / WP4 / D12/D13. Funded by Comisión Europea whitin "Intelligent Energy-Europe (IEE)". Jun/2007. IIT-07-064I