JI Pérez-Díaz, PhD.

Non-tenured associate professor
Technical University of Madrid
Department of Hydraulic, Energy and Environmental Engineering
Tel.: +34 91 3366705
E-mail address: ji.perez@upm.es

SCI Publications (2010-2015)

[P.1]    Pérez-Díaz, JI, Chazarra, M, García-González, J, Cavazzini, G and Stoppato, A, Trends and challenges in the operation of pumped-storage hydropower plants, Renewable and Sustainable Energy Reviews, vol. 44, pp. 767-784, 2015.
[P.2]    Sarasúa JI, Elías, P, Martínez de Lucas, G, Pérez-Díaz, JI, Wilhelmi, JR and Sánchez JA, Stability analysis of a run-of-river diversion hydropower plant with surge tank andspillway in the head pond, The Scientific World Journal, 2014.
[P.3]    Pérez-Díaz, JI, Sarasúa JI and Wilhelmi, JR, Contribution of a hydraulic short-circuit pumped-storage power plant to the load-frequencyregulation of an isolated power system, International Journal of Electrical Power and Energy Systems, vol. 62, pp.
[P.4]    García de Jalón, S, Iglesias, A Cunningham, R., Pérez-Díaz, JI, Building resilience to water scarcity in southern Spain: a case study of ricefarming in Doñana protected wetlands, Regional Environmental Change, vol. 14, pp. 1229-1242, 2014.
[P.5]    Bianucci, P, Sordo, A, Pérez-Díaz, JI, García Palacios, J, Mediero, L, and Garrote, L, Risk-based methodology for parameter calibration of a reservoir flood control model, Natural Hazards and Earth System Sciences, vol. 13, pp. 965-981, 2013.
[P.6]    Guisández, I, Pérez-Díaz, JI and Wilhelmi, JR, Assessment of the economic impact of environmental constraints on annual hydropower plant operation, Energy Policy, vol. 61, pp. 1332- 1343, 2013.
[P.7]    Pérez-Díaz, JI, Wilhelmi, JR, García, D, Millán, R and Guisández, I, Contribution of re-regulation reservoirs considering pumping capability to environmentally friendly hydropower operation, Energy, vol. 48 (1), pp. 144-152, 2012.
[P.8]    Pérez-Díaz, JI, Wilhelmi, JR, Galaso, I, Fraile-Ardanuy, J, Sanchez, JA, Castañeda, O and Sarasua, JI, Dynamic response of hydro power plants to load variations for providing secondary regulation reserves considering elastic water column effects, PrzegladElektrotechniczny (Electrical Review), vol. 88, no. 1a, pp. 159-163, 2012.
[P.9]    Pérez-Díaz, JI and Wilhelmi, JR, Assessment of the economic impact of environmental constraints on short-term hydropower plant operation,Energy Policy, vol. 38 (12), pp. 7960-7970, 2010.
[P.10]    Pérez-Díaz, JI, Wilhelmi, JR and Sánchez-Fernández, JA, Short-term operation scheduling of a hydropower plant in the day-ahead electricity market,Electric Power Systems Research, vol. 80 (12), pp. 1535-1542, 2010.
[P.11]    Pérez-Díaz, JI, Wilhelmi, JR and Arévalo Muñoz, L, Optimal short-term operation schedule of a hydropower plant in a competitive electricity market,Energy Conversion and Management, vol. 51 (12), pp. 2955-2966. 2010.

Book chapters (2010-2015)

[B.1] Cavazzini, G, Pérez-Díaz, JI, Blázquez, JI, Platero, C, Fraile-Ardanuy, J, Sánchez, JA and Chazarra, M, Pumped Storage HydropowerPlants: the new generation, World Scientific, in press.

Communications in international conferences (2010-2015)

[C.1]    Pérez-Díaz, JI, Jiménez, J and Wilhelmi, JR, Pumped-hydro energy storage as a means to reduce the power supply costs ofan isolated power system with high wind power penetration, in Proc. 2014 UK Energy Storage Conference.
[C.2]    Chazarra, M, Pérez-Díaz, JI,  and García-González, J, Optimal operation of variable speed pumped storage hydropower plantsparticipating in secondary regulation reserve markets,
[C.3]    Guisández, I, Pérez-Díaz, JI and Wilhelmi, JR, Effects of the maximum flow ramping rates on the long-term operation decisions of a hydropower plant, in Proc. 2014 International Conference on Renewable Energy and Power Quality.
[C.4]    García de Jalón, S, Iglesias, A, Cunningham, R and Pérez Díaz, JI, Assessing adaptation options to water scarcity in Southern Spain. An approach combining Multi-Criteria Analysis and land-use optimization, in Proc. 2013 International Conference of the European Water Resources Association.
[C.5]    Yadav, O., Kishor, N., Fraile-Ardanuy, J., Mohanty, S.R., Pérez Díaz, J.I. and Sarasúa, J.I., Pond head level control in a run-of-river hydro power plant using fuzzy controller, in Proc.  2011 Internacional Conference on Intelligent System Applications to Power Systems.
[C.6]    Bianucci, S.P., Sordo, A., Pérez-Díaz, J.I., Mediero, L. Garrote, L. and García Palacios, J., Probabilistic calibration of a reservoir optimization model for flood control, in Proc. 2011 European Geosciences Union, General Assembly.
[C.7]    Pérez-Díaz, J.I., Wilhelmi, J.R., Galaso. I, Sánchez, J.A., Castañeda, O., Sarasúa, J.I. and Fraile-Ardanuy, J., Dynamic response of hydro power plants for providing secondary regulation reserves considering elastic water column effects, in Proc.2011 Portuguese-Spanish Conference on Electrical Engineering.
[C.8]    Pérez-Díaz, J.I., Wilhelmi, J.R., García, D.,Millán, R. and Guisández, I., Contribution of re-regulation reservoirs considering pumping capability to environmentally friendly hydropower operation, in Proc. 2011 Conference on Sustainable Development of Energy, Water and Environment Systems.
[C.9]    Pérez-Díaz, J.I.,Perea, A. and Wilhelmi, J.R., Optimal short-term operation and sizing of pumped-storage power plants in systems with high penetration of wind energy, in Proc. 2010 International Conference on the European Energy Market.
[C.10]    Pérez-Díaz, J.I., Sarasúa, J.I., Fraile-Ardanuy, J.J., Wilhelmi, J.R. and Sánchez, J.A., A control system for low-head diversion run-of-river small hydro plants with pressure conduits considering the tailwater level variation, in Proc. 2010 International Conference on Renewable Energy and Power Quality.

Research projects (2010-2015)

1. Project title: Methodology for optimal operation of hydropower plants with environmental criteria.
Client / Funding institution: Spanish Ministry of Science and Education under the framework of the National Plan on Research, Development and Innovation 2008-2011.
Duration: 32 months.
Project tasks:
– Coordination of the hydropower team.
– Assessment of the economic impact of certain environmental constraints on the short-term operation of a hydropower plant.
– Supervision of the development of a deterministicDP-MILP model for the assessment of the economic impact of certain environmental constraints on the annual operation of a hydropower plant.

2. Project title: Leaders in ocean renewable energies.
Client / Funding institution: Centre for the Industrial Technological Development (CDTI). Spanish Ministry of Science and Innovation.
Duration: 48 months.
Project tasks:
– Analysis of the economic impact of the non-dispatchable generation on the energy and ancillary services markets of the Spanish electric power system.
– Analysis of the evolution of the economic regulation for ocean energies in the Spanish electric power system.
– Literature review on energy price forecasting models.

3. Project title: Optimal annual operation ofBelesar I + Belesar II hydropower plant.
Client / Fundinginstitution: SOCOIN Ingeniería y Construcción Industrial.
Duration: 3 months.
Project tasks:
– Project coordinator.
– Collaboration in the development of a DP-MILP model for the annual scheduling of the hydropower plant.

4. Project title: Preliminary study of alternatives for the load-frequency control in Los Silos pumped-storage power plant.
Client / Funding institution: PROINTEC-ENDESA.
Duration: 12 months.
Project tasks:
– Project coordinator.
– Collaboration in the development of the simulation models corresponding to the different configurations analyzed in the project: hydraulic short-circuit, synchronous machines + full converter, doubly fed asynchronous machines.

5. Project title: Interest of the repowering of a hydropower plant in the framework of the Spanish Electricity Market. A producer’s perspective.
Client / Funding institution: SEG Hidroeléctrica S.L. – Ebro River Basin Authority.
Duration: 4 months.
Project tasks: Project coordinator.

6. Project title: Procedures for optimal flood control in hydropower reservoirs.
Client / Funding institution: Gas Natural Fenosa Engineering.
Duration: 12 months.
Project tasks:
– Coordinator of the modeling team.
– Development of two deterministic models based on MILP and NLP for the optimal operation of a hydropower reservoir during flood events.
– Development of a stochastic model based on Lagrangian relaxation for the above-mentioned purpose.

7. Project title: Optimal scheduling models of hydropower systems. Application to variable speed hydropower generation.
Client / Funding institution: SEG Hidroelectrica S.L. – SIGMA PRIMA S.L. – C.R. Los Sauces
Duration: 6 months.
Project tasks:
– Project coordinator.
– Supervision of the development of different term hydro scheduling models for the optimal operation of multipurpose reservoirs.

8. Project title: Analysis of failures in the operation of Tambre II hydropower plant during load-frequency control manoeuvres.
Client / Funding institution: Gas Natural Fenosa Engineering (formerly SOCOIN)
Duration: 24 months.
Project tasks:
– Project coordinator.
– Collaboration in the design of the on-site measurement campaign.
– Development of a simulation model of the power plant in Matlab-Simulink.

9. Project title: Optimal operation and control of pumped-storage power plants.
Client / Funding institution: Ministry of Economy and Competitiveness under the framework of the National Plan on Research, Development and Innovation (2008-2011).
Duration: 36 months (Currently ongoing).
Project tasks:
– Project coordinator.
– Supervisionof the development of a MILP model for the weekly scheduling of a hydrothermal power system.
– Supervision of the development of a stochastic MILP model for bidding in the day-ahead and secondary regulation markets in the Spanish electric power system.
– Analysis of the impact of the secondary regulation market on the short-term scheduling of a daily-cycle PSPP without natural water inflows.
– Analysis of the contribution of pumped-hydro to reducing the cost of power supply and wind integration in an isolated power system.

10. Project title: Optimal operation and control of a system of cascade hydropower plants with environmental requirements.
Client / Funding institution: SEG Hidroelectrica S.L. – Tagus River Basin Authority.
Duration: 6 months.
Project tasks:
– Project coordinator.

11. Project title: Assessment of the income of a pumped storage power plant in the energy and secondary regulation markets of the Spanish power system.
Client / Fundinginstitution: Energías Renovables del Bierzo, S.L.
Duration: 5 months.
Project tasks:
– Project coordinator.

12. Project title: Large-scale storage and balancing services from Norwegianhydropower; environmental, political, technical and economicalaspects (HydroBalance).
Client / Funding institution: Research Council of Norway.
Duration: 48 months (Currently ongoing).
Project tasks:
– Collaboration in the development of relevant business models and in the assessment of balancing needs.

13. Project title: Integrating Balancing Markets in Hydropower SchedulingMethods (IBM).
Client / Funding institution: Research Council of Norway.
Duration: 48 months (Currently ongoing).
Project tasks:
– Review and documentation of Southern European power market.
– The coordination of the research personnel exchange between UPM and SINTEF.

14. Project title: Report on mid-term hydropower scheduling in competitive electricity markets.
Client / Funding institution: Iberdrola.
Duration: 3 months (Currently ongoing).
Project tasks:
– Report coordinator.

Scientific committees, journal reviewer and international scientific associations

Member of the Scientific Committee of the International Conference on the European Energy Market (2011-2015).

Member of the Scientific Committee of the 5thIEE and CigréInternational Workshop on Hydro Scheduling in Competitive Electricity Markets

Reviewer in ASCE Journal of Water Resources Planning and Management (2010, 2013), Natural Resources Forum (2011), Energy Conversion and Management (2011), International Journal of Electrical Power and Energy Systems (2011), European Transactions on Electrical Power (2012), ASCE Journal of Energy Engineering (2013), Energy (2014), European Journal of Operational Research (2014).

Coordinator of the UPM Research Team, which participates in the Mechanical Storage Sub-Programme of the Joint Programme on Energy Storage, of the European Energy Research Alliance (EERA).