Ruan, J., Xu, Z. & Su, H. Towards interdisciplinary integration of electrical engineering and Earth science. Nat. Rev. Electr. Eng. 1, 278–279 (2024).
Google Scholar
Guo, F. et al. Implications of intercontinental renewable electricity trade for energy systems and emissions. Nat. Energy 7, 1144–1156 (2022).
Google Scholar
Yang, W. et al. Burden on hydropower units for short-term balancing of renewable power systems. Nat. Commun. 9, 2633 (2018).
Google Scholar
Hunt, J. D. et al. Global resource potential of seasonal pumped hydropower storage for energy and water storage. Nat. Commun. 11, 947 (2020).
Google Scholar
Kunzig, R. Water batteries. Science 383, 358–363 (2024).
Google Scholar
Javed, M. S., Ma, T., Jurasz, J. & Amin, M. Y. Solar and wind power generation systems with pumped hydro storage: review and future perspectives. Renew. Energy 148, 176–192 (2020).
Google Scholar
Cohen, S., Ramasamy, V. & Inman, D. A Component-Level Bottom-Up Cost Model for Pumped Storage Hydropower. Technical Report NREL/TP-6A40-84875 (NREL, 2023).
Cumulative installed storage capacity, 2017–2023. IEA https://www.iea.org/data-and-statistics/charts/cumulative-installed-storage-capacity-2017-2023 (2018).
IRENA. World Energy Transitions Outlook 2022: 1.5 °C Pathway https://www.irena.org/publications/2022/Mar/World-Energy-Transitions-Outlook-2022 (IRENA, 2022).
IRENA. The Changing Role of Hydropower: Challenges and Opportunities https://www.irena.org/Publications/2023/Feb/The-changing-role-of-hydropower-Challenges-and-opportunities (IRENA, 2023).
Stocks, M., Stocks, R., Lu, B., Cheng, C. & Blakers, A. Global atlas of closed-loop pumped hydro energy storage. Joule 5, 270–284 (2021).
Google Scholar
Wang, R. et al. Coordinating regulation reliability and quality of pumped storage units for renewables by a novel scheduling-control synergic model. Appl. Energy 376, 124162 (2024).
Google Scholar
Blakers, A., Stocks, M., Lu, B. & Cheng, C. A review of pumped hydro energy storage. Prog. Energy 3, 22003 (2021).
Google Scholar
Rehman, S., Al-Hadhrami, L. M., Alam & Md, M. Pumped hydro energy storage system: a technological review. Renew. Sustain. Energy Rev. 44, 586–598 (2015).
Google Scholar
Emrani, A., Berrada, A., Ameur, A. & Bakhouya, M. Assessment of the round-trip efficiency of gravity energy storage system: analytical and numerical analysis of energy loss mechanisms. J. Energy Storage 55, 105504 (2022).
Google Scholar
Rahman, M. M., Oni, A. O., Gemechu, E. & Kumar, A. Assessment of energy storage technologies: a review. Energy Convers. Manag. 223, 113295 (2020).
Google Scholar
IHA. The World’s Water Battery: Pumped Hydropower Storage and the Clean Energy Transition https://www.hydropower.org/publications/the-world-e2-80-99s-water-battery-pumped-hydropower-storage-and-the-clean-energy-transition (IHA, 2018).
Albertus, P., Manser, J. S. & Litzelman, S. Long-duration electricity storage applications, economics, and technologies. Joule 4, 21–32 (2020).
Google Scholar
US DOE. Energy Storage Grand Challenge Roadmap https://www.energy.gov/energy-storage-grand-challenge/articles/energy-storage-grand-challenge-roadmap (US DOE, 2020).
Viswanathan, V., Mongird, K., Franks, R., Li, X. & Sprenkle, V. 2022 Grid Energy Storage Technology Cost and Performance Assessment (US DOE, 2022).
International Forum on Pumped Storage Hydropower Capabilities, Costs & Innovation Working Group. Pumped Storage Hydropower Capabilities and Costs (ed. Kruger, K.) (IFPSH, 2021).
BECIS. Energy Storage: The Next Step To Drive Renewable Energy Penetration To 100 Percent https://be-cis.com/wp-content/uploads/2023/10/Energy-Storage-Whitepaper.pdf (BECIS, 2023).
Xinhua. World’s largest pumped storage hydropower plant in full operation in China. Xinhua https://english.www.gov.cn/news/202412/31/content_WS6773ab83c6d0868f4e8ee672.html (2024).
IHA. 2024 World Hydropower Outlook https://www.hydropower.org/publications/2024-world-hydropower-outlook (IHA, 2024).
Pérez-Díaz, J. I., Chazarra, M., García-González, J., Cavazzini, G. & Stoppato, A. Trends and challenges in the operation of pumped-storage hydropower plants. Renew. Sustain. Energy Rev. 44, 767–784 (2015).
Google Scholar
He, G. et al. Rapid cost decrease of renewables and storage accelerates the decarbonization of China’s power system. Nat. Commun. 11, 2486 (2020).
Google Scholar
Nassar, Y. F. et al. Design of reliable standalone utility-scale pumped hydroelectric storage powered by PV/wind hybrid renewable system. Energy Convers. Manag. 322, 119173 (2024).
Google Scholar
Li, X., Yang, W., Zhao, Z., Wang, R. & Yin, X. Advantage of priority regulation of pumped storage for carbon-emission-oriented co-scheduling of hybrid energy system. J. Energy Storage 58, 106400 (2023).
Google Scholar
Zhang, W.-Y., Zheng, B., Wei, W., Chen, L. & Mei, S. Peer-to-peer transactive mechanism for residential shared energy storage. Energy 246, 123204 (2022).
Google Scholar
Shi, W. et al. Optimal energy management for multi-stack fuel cell vehicles based on hybrid quantum reinforcement learning. IEEE Trans. Transp. Electrif. https://doi.org/10.1109/TTE.2025.3542021 (2025).
Hunt, J. D. et al. Existing and new arrangements of pumped-hydro storage plants. Renew. Sustain. Energy Rev. 129, 109914 (2020).
Google Scholar
Saulsbury, J. W. A comparison of the environmental effects of open-loop and closed-loop pumped storage hydropower. OSTI https://www.osti.gov/biblio/1616475 (2020).
REVE. Pump it up: how an alpine lake became a massive battery ready to feed the grid on a moment’s notice. REVE https://evwind.aeeolica.org/2020/10/20/pump-it-up-how-an-alpine-lake-became-a-massive-battery-ready-to-feed-the-grid-on-a-moments-notice/77797 (2020).
Vagnoni, E. in Encyclopedia of Energy Storage (ed. Cabeza, L. F.) 123–135 (Elsevier, 2022).
Nag, S. & Lee, K. Y. Power system resiliency enhancement with ternary pumped-storage hydropower. IFAC-PapersOnline 53, 12714–12718 (2020).
Google Scholar
Landry, C., Nicolet, C., Badina, C., Pichon, H. & Drommi, J.-L. Contribution for the roadmap of hydraulic short circuit implementation: case of Grand-Maison pumped storage power plant. IOP Conf. Ser. Earth Environ. Sci. 1079, 12107 (2022).
Google Scholar
Dong, Z. et al. Developing of quaternary pumped storage hydropower for dynamic studies. IEEE Trans. Sustain. Energy 11, 2870–2878 (2020).
Google Scholar
Beevers, D., Branchini, L., Orlandini, V., De Pascale, A. & Perez-Blanco, H. Pumped hydro storage plants with improved operational flexibility using constant speed Francis runners. Appl. Energy 137, 629–637 (2015).
Google Scholar
Kougias, I. et al. Analysis of emerging technologies in the hydropower sector. Renew. Sustain. Energy Rev. 113, 109257 (2019).
Google Scholar
Lung, J.-K., Lu, Y., Hung, W.-L. & Kao, W.-S. Modeling and dynamic simulations of doubly fed adjustable-speed pumped storage units. IEEE Trans. Energy Convers. 22, 250–258 (2007).
Google Scholar
Vasudevan, K. R., Ramachandaramurthy, V. K., Venugopal, G., Ekanayake, J. B. & Tiong, S. K. Variable speed pumped hydro storage: a review of converters, controls and energy management strategies. Renew. Sustain. Energy Rev. 135, 110156 (2021).
Google Scholar
Iliev, I., Trivedi, C. & Dahlhaug, O. G. Variable-speed operation of Francis turbines: a review of the perspectives and challenges. Renew. Sustain. Energy Rev. 103, 109–121 (2019).
Google Scholar
Dreyer, M. et al. Pushing the envelope of ancillary services with variable speed technology. IOP Conf. Ser. Earth Environ. Sci. 1079, 12110 (2022).
Google Scholar
Valavi, M. & Nysveen, A. Variable-speed operation of hydropower plants: a look at the past, present, and future. IEEE Ind. Appl. Mag. 24, 18–27 (2018).
Google Scholar
Kerkman, R. J., Lipo, T. A., Newman, W. G. & Thirkell, J. E. An inquiry into adjustable speed operation of a pumped hydro plant part 1 — machine design and performance. IEEE Trans. Power Appar. Syst. 99, 1828–1837 (1980).
Google Scholar
Kuwabara, T., Shibuya, A., Furuta, H., Kita, E. & Mitsuhashi, K. Design and dynamic response characteristics of 400 MW adjustable speed pumped storage unit for Ohkawachi Power Station. IEEE Trans. Energy Convers. 11, 376–384 (1996).
Google Scholar
Sivakumar, N., Das, D. & Padhy, N. P. Variable speed operation of reversible pump-turbines at Kadamparai pumped storage plant — a case study. Energy Convers. Manag. 78, 96–104 (2014).
Google Scholar
Nag, S., Lee, K. Y. & Suchitra, D. A comparison of the dynamic performance of conventional and ternary pumped storage hydro. Energies 12, 3513 (2019).
Google Scholar
Ruppert, L., Schürhuber, R., List, B., Lechner, A. & Bauer, C. An analysis of different pumped storage schemes from a technological and economic perspective. Energy 141, 368–379 (2017).
Google Scholar
Seydoux, M. Study of Flexible Operating Conditions in Variable-Speed Hydraulic Turbines: Advanced Models and Experimental Validation. PhD thesis, École Polytechnique Fédérale de Lausanne (2024).
State-owned Assets Supervision and Administration Commission of the State Council. World’s largest mixed pumped-storage power plant breaks ground. SASAC http://en.sasac.gov.cn/2023/01/04/c_14740.htm (2023).
IRENA. Innovative Operation of Pumped Hydropower Storage — Innovation Landscape Brief https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2020/Jul/IRENA_Innovative_PHS_operation_2020.pdf (IRENA, 2020).
Xinhua. China’s Qinghai breaks ground on another pumped-storage power station. Xinhuanet https://english.news.cn/20230820/3d0c599eb8824af59d78fe2d0c6ce42b/c.html (2023).
Northern Australia Infrastructure Facility. Kidston pumped storage hydro project. NAIF https://www.naif.gov.au/our-projects/genex-kidston-pumped-hydro-storage-project/ (2023).
AFRY. Pinnapuram integrated renewable energy storage project, India. AFRY https://afry.com/en/project/pinnapuram-integrated-renewable-energy-storage-project-india (2025).
International Forum on Pumped Storage Hydropower. Innovative pumped storage hydropower configurations and uses. IFPSH https://www.hydropower.org/publications/innovative-pumped-storage-hydropower-configurations-and-uses (2021).
Bucher, R., Schreider, A. & Lehmann, S. Live test results of the joint operation of a 12.5 MW battery and a pumped-hydro plant. In Hydro 2018 https://www.researchgate.net/publication/330337897_Live_test_results_of_the_joint_operation_of_a_125_MW_battery_and_a_pumped-hydro_plant#fullTextFileContent (2018).
Wang, Z., Yang, W., Liao, Y. & Li, Y. Modeling and coordinated control for active power regulation of pumped storage‐battery integrated system under small‐disturbances. Energy Sci. Eng. 11, 1601–1618 (2023).
Google Scholar
Schreider, A. & Bucher, R. An auspicious combination: fast-ramping battery energy storage and high-capacity pumped hydro. Energy Procedia 155, 156–164 (2018).
Google Scholar
Pérez-Díaz, J., Lafoz, M. & Burke, F. Integration of fast acting energy storage systems in existing pumped‐storage power plants to enhance the system’s frequency control. Wiley Interdiscip. Rev. Energy Environ. 9, e367 (2019).
Bahner, L., Schreider, A. & Bucher, R. Batteries and pumped-hydro: pooling for synergies in the frequency response provisioning. In Proceedings of the 13th International Renewable Energy Storage Conference 2019 (IRES 2019) 109–118 (Atlantis Press, 2019).
XFLEX Hydro. Run-of-river hydropower plant tests hydro-battery-hybrid. XFLEX Hydro https://www.xflexhydro.com//news/run-of-river-hydropower-plant-tests-hydro-battery-hybrid-2 (2022).
Iberdrola Corporative. Iberdrola gets the green light for Valdecañas (Spain) pumping project. Iberdrola https://www.iberdrola.com/press-room/news/detail/iberdrola-gets-the-green-light-for-valdecanas-spain-pumping-project (2024).
Slovenské Elektrárne. SE Integrator: Clean. Smart. Flexible. Slovenské Elektrárne https://www.seas.sk/en/about-us/our-power-plants/se-integrator/ (2022).
Seoni, R. M., Shadeed, E. N., Simpson, R. J. & Warnock, J. G. Review of trends of large hydroelectric generating equipment. Proc. Inst. Electr. Eng. 123, 1138–1162 (1976).
Google Scholar
NS Energy. Tiantai pumped storage power station. NS Energy https://www.nsenergybusiness.com/projects/tiantai-pumped-storage-power-station/ (2022).
Akinyele, D. O. & Rayudu, R. K. Review of energy storage technologies for sustainable power networks. Sustain. Energy Technol. Assess. 8, 74–91 (2014).
Trivedi, C. & Cervantes, M. J. Fluid-structure interactions in Francis turbines: a perspective review. Renew. Sustain. Energy Rev. 68, 87–101 (2017).
Google Scholar
Cavazzini, G., Houdeline, J.-B., Pavesi, G., Teller, O. & Ardizzon, G. Unstable behaviour of pump-turbines and its effects on power regulation capacity of pumped-hydro energy storage plants. Renew. Sustain. Energy Rev. 94, 399–409 (2018).
Google Scholar
Voith. Pumped Storage Machines Reversible Pump Turbines, Ternary Sets and Motor-Generators https://voith.com/corp-en/11_06_Broschuere-Pumped-storage_einzeln.pdf (Voith, 2017).
Li, D. et al. Numerical simulation on pump transient characteristic in a model pump turbine. J. Fluids Eng. 141, 111101 (2019).
Google Scholar
Pérez Díaz, J. I. et al. Technological Developments for Pumped-Hydro Energy Storage https://www.research.unipd.it/handle/11577/3188668 (2014).
Maleki, A., Ghorani, M. M., Haghighi, M. H. S. & Riasi, A. Numerical study on the effect of viscosity on a multistage pump running in reverse mode. Renew. Energy 150, 234–254 (2020).
Google Scholar
Lee, S.-Y. & Henry, J. M. Double-stage regulated pumpturbines for Yang Yang, Korea. Hydropower Dams 15, 64–68 (2008).
Olimstad, G., Nielsen, T. & Børresen, B. Stability limits of reversible-pump turbines in turbine mode of operation and measurements of unstable characteristics. J. Fluids Eng. 134, 111202 (2012).
Google Scholar
Schleicher, W. C. & Oztekin, A. Hydraulic design and optimization of a modular pump-turbine runner. Energy Convers. Manag. 93, 388–398 (2015).
Google Scholar
Zhu, B., Tan, L., Wang, X. & Ma, Z. Investigation on flow characteristics of pump-turbine runners with large blade lean. J. Fluids Eng. 140, 31101 (2017).
Google Scholar
Le Marre, M., Mandin, P., Lanoisellé, J.-L. & Bezuglov, R. Experimental study on performance predictions of pumps as turbine. Energy Convers. Manag. 292, 117235 (2023).
Google Scholar
Li, D. et al. Review of positive slopes on pump performance characteristics of pump-turbines. Renew. Sustain. Energy Rev. 112, 901–916 (2019).
Google Scholar
Zuo, Z., Fan, H., Liu, S. & Wu, Y. S-shaped characteristics on the performance curves of pump-turbines in turbine mode — a review. Renew. Sustain. Energy Rev. 60, 836–851 (2016).
Google Scholar
Hasmatuchi, V., Farhat, M., Roth, S., Botero, F. & Avellan, F. Experimental evidence of rotating stall in a pump-turbine at off-design conditions in generating mode. J. Fluids Eng. 133, 51104 (2011).
Google Scholar
Gao, C. et al. The impact of hump characteristics on variable speed pumped storage units under pump mode and improvement measures. J. Energy Storage 87, 111416 (2024).
Google Scholar
Hu, Z. et al. Broadening the operating range of pump-turbine to deep-part load by runner optimization. Renew. Energy 207, 73–88 (2023).
Google Scholar
Chen, H. Application of long-and short-blade runners in Qingyuan Pumped Storage Power Station. Mech. Electr. Tech. Hydropower Stn. 39, 5–8 (2016).
Xia, L. et al. Mechanism of the S-shaped characteristics and the runaway instability of pump-turbines. J. Fluids Eng. 139, 31101 (2016).
Google Scholar
Liu, K. et al. Evolution and influence of pump-turbine cavitation during load rejection transients of a pumped-storage plant. J. Hydraul. Res. 60, 527–542 (2022).
Google Scholar
Fu, X. et al. Mechanism of low frequency high amplitude pressure fluctuation in a pump-turbine during the load rejection process. J. Hydraul. Res. 59, 280–297 (2021).
Google Scholar
Iliev, I., Tengs, E. O., Trivedi, C. & Dahlhaug, O. G. Optimization of Francis turbines for variable speed operation using surrogate modeling approach. J. Fluids Eng. 142, 101214 (2020).
Google Scholar
Kundur, P. S. & Malik, O. P. Power System Stability and Control 2nd edn (McGraw Hill LLC, 2022).
Donalek, P. J. Pumped storage hydro: then and now. IEEE Power Energy Mag. 18, 49–57 (2020).
Google Scholar
Reigstad, T. I. & Uhlen, K. Variable speed hydropower conversion and control. IEEE Trans. Energy Convers. 35, 386–393 (2020).
Google Scholar
Chen, Y. et al. Modeling and transient response analysis of doubly-fed variable speed pumped storage unit in pumping mode. IEEE Trans. Ind. Electron. 70, 9935–9947 (2023).
Google Scholar
Muljadi, E. et al. Dynamic modeling of adjustable-speed pumped storage hydropower plant. In 2015 IEEE Power & Energy Society General Meeting 1–5 (IEEE, 2015).
Tiwari, R., Nilsen, R., Mo, O. & Nysveen, A. Control methods for operation of pumped storage plants with full-size back-to-back converter fed synchronous machines. IEEE Trans. Ind. Appl. 59, 6792–6803 (2023).
Google Scholar
Stavnesli, J. H. & Nøland, J. K. Stator flux-regulatory excitation control in converter-fed synchronous machines for pumped-storage variable-speed hydropower. IEEE Open Access J. Power Energy 9, 340–350 (2022).
Google Scholar
Holzer, T., Muetze, A., Traxler-Samek, G., Lecker, M. & Zerobin, F. Generator design possibilities for full-size converter operation of large pumped storage power plants. IEEE Trans. Ind. Appl. 56, 3644–3655 (2020).
Joseph, A., Desingu, K., Semwal, R. R., Chelliah, T. R. & Khare, D. Dynamic performance of pumping mode of 250 MW variable speed hydro-generating unit subjected to power and control circuit faults. IEEE Trans. Energy Convers. 33, 430–441 (2018).
Google Scholar
Joseph, A. & Chelliah, T. R. A review of power electronic converters for variable speed pumped storage plants: configurations, operational challenges, and future scopes. IEEE J. Emerg. Sel. Top. Power Electron. 6, 103–119 (2018).
Google Scholar
Christe, A., Faulstich, A., Vasiladiotis, M. & Steinmann, P. World’s first fully rated direct AC/AC MMC for variable-speed pumped-storage hydropower plants. IEEE Trans. Ind. Electron. 70, 6898–6907 (2023).
Google Scholar
Tang, C.-Y. Modulation, Efficiency and Lifetime of Two-Level and Multilevel Converters for a Hydropower Application. Thesis, Chalmers Univ. Technology (2022).
Swanke, J. A. Fault-Tolerant Integrated Modular Motor Drive for Applications with Demanding Reliability Requirements. PhD thesis, Univ. Wisconsin-Madison (2023).
Antonopoulos, A. Control, Modulation and Implementation of Modular Multilevel Converters. Thesis, KTH Royal Institute of Technology (2011).
Pérez-Díaz, J. I., Belsnes, M. & Diniz, A. L. in Comprehensive Renewable Energy 2nd edn (ed. Letcher, T. M.) 84–104 (Elsevier, 2022).
Azad, A. S., A. Rahaman, M. S., Watada, J., Vasant, P. & Vintaned, J. A. G. Optimization of the hydropower energy generation using meta-heuristic approaches: a review. Energy Rep. 6, 2230–2248 (2020).
Google Scholar
Kong, J., Skjelbred, H. I. & Abgottspon, H. Short-term hydro scheduling of a variable speed pumped storage hydropower plant considering head loss in a shared penstock. IOP Conf. Ser. Earth Environ. Sci. 240, 82002 (2019).
Google Scholar
Warland, G., Mo, B. & Haugstad, A. Verification of a model for handling of pumped storage for large scale market balancing. In 2013 10th International Conference on the European Energy Market (EEM) 1–8 (IEEE, 2013).
Kazempour, S. J., Moghaddam, M. P., Haghifam, M. R. & Yousefi, G. R. Risk-constrained dynamic self-scheduling of a pumped-storage plant in the energy and ancillary service markets. Energy Convers. Manag. 50, 1368–1375 (2009).
Google Scholar
Chazarra, M., Pérez-Díaz, J. I. & García-González, J. Deriving optimal end of day storage for pumped-storage power plants in the joint energy and reserve day-ahead scheduling. Energies 10, 813 (2017).
Google Scholar
Baslis, C. G. & Bakirtzis, A. G. Mid-term stochastic scheduling of a price-maker hydro producer with pumped storage. IEEE Trans. Power Syst. 26, 1856–1865 (2011).
Google Scholar
Löhndorf, N., Wozabal, D. & Minner, S. Optimizing trading decisions for hydro storage systems using approximate dual dynamic programming. Oper. Res. 61, 810–823 (2013).
Google Scholar
Abgottspon, H. & Andersson, G. Approach of integrating ancillary services into a medium-term hydro optimization. In XII SEPOPE — Symposium of Specialists in Electrical Operation and Expansion Planning http://hdl.handle.net/20.500.11850/55440 (Centro de Pesquisas de Energia Elétrica, 2012).
Abgottspon, H. & Andersson, G. Stochastic scheduling for a price-maker hydro producer considering forward trading. In 2013 IEEE Grenoble Conference 1–6 (IEEE, 2013).
Abgottspon, H. & Andersson, G. Medium-term optimization of pumped hydro storage with stochastic intrastage subproblems. In 2014 Power Systems Computation Conference 1–7 (IEEE, 2014).
Pérez-Díaz, J. I., Guisández, I., Chazarra, M. & Helseth, A. Medium-term scheduling of a hydropower plant participating as a price-maker in the automatic frequency restoration reserve market. Electr. Power Syst. Res. 185, 106399 (2020).
Google Scholar
Alic, A., Schäffer, L. E., Toffolon, M. & Trovato, V. Optimal price-based scheduling of a pumped-storage hydropower plant considering environmental constraints. Energy Syst. https://doi.org/10.1007/s12667-023-00614-y (2023).
Google Scholar
Wang, R. et al. Regulation intensity assessment of pumped storage units in daily scheduling for renewable energy consumption. Sustain. Energy Technol. Assess. 56, 103027 (2023).
Koritarov, V. et al. Modeling and analysis of value of advanced pumped storage hydropower in the United States. OSTI https://www.osti.gov/biblio/1165600 (2014).
IRENA. Innovation Landscape Brief: Increasing Time Granularity in Electricity Markets (IRENA, 2019).
Chazarra, M., Pérez-Díaz, J. I., García-González, J. & Helseth, A. Modeling the real-time use of reserves in the joint energy and reserve hourly scheduling of a pumped storage plant. Energy Procedia 87, 53–60 (2016).
Google Scholar
Chazarra, M., Pérez-Díaz, J. I., García-González, J. & Helseth, A. Economic effects of forecasting inaccuracies in the automatic frequency restoration service for the day-ahead energy and reserve scheduling of pumped storage plants. Electr. Power Syst. Res. 174, 105850 (2019).
Google Scholar
Alharbi, H. & Bhattacharya, K. Participation of pumped hydro storage in energy and performance-based regulation markets. IEEE Trans. Power Syst. 35, 4307–4323 (2020).
Google Scholar
Ma, X. et al. Optimizing pumped storage hydropower for multiple grid services. J. Energy Storage 51, 104440 (2022).
Google Scholar
Li, X. et al. Risk-averse energy management of hydro/thermal/pumped storage complementarily operating with wind/solar: balancing risk, cost and carbon emission. Sustain. Energy Technol. Assess. 60, 103534 (2023).
Saarinen, L., Norrlund, P., Yang, W. & Lundin, U. Allocation of frequency control reserves and its impact on wear and tear on a hydropower fleet. IEEE Trans. Power Syst. 33, 430–439 (2018).
Google Scholar
Dreyer, M. et al. Digital clone for penstock fatigue monitoring. IOP Conf. Ser. Earth Environ. Sci. 405, 12013 (2019).
Google Scholar
Savin, O. et al. Influence of starts and stops on the aging of hydroelectric generator stators by thermal cycling: empirical study and accelerated lifetime model. In ESREL 2021 — 31st European Safety and Reliability Conference (eds Castanier, B. et al.) 3214–3221 (Research Publishing Services, 2021).
Savin, O., Baroth, J., Badina, C., Charbonnier, S. & Bérenguer, C. Damage due to start-stop cycles of turbine runners under high-cycle fatigue. Int. J. Fatigue 153, 106458 (2021).
Google Scholar
Seydoux, M. et al. Assessments of hydropower plants start-up sequences and equivalent runner damage under transient operation. IOP Conf. Ser. Earth Environ. Sci. 1079, 12105 (2022).
Google Scholar
Alerci, A. L., Vagnoni, E. & Paolone, M. Structural impact of the start-up sequence on Pelton turbines lifetime: analytical prediction and polynomial optimization. Renew. Energy 218, 119341 (2023).
Google Scholar
Smith, B. et al. Consolidated hydropower data repository: value and opportunities. OSTI https://www.osti.gov/biblio/1870208 (2022).
Hydropower Research Institute. Research Institute (HRI) drives digital transformation in the hydropower industry. HRI https://hridata.org/ (2024).
Koritarov, V., Ploussard, Q., Kwon, J. & Balducci, P. A review of technology innovations for pumped storage hydropower. OSTI https://www.osti.gov/biblio/1867238 (2022).
Chazarra, M., Pérez-Díaz, J. I. & García-González, J. Optimal energy and reserve scheduling of pumped-storage power plants considering hydraulic short-circuit operation. IEEE Trans. Power Syst. 32, 344–353 (2017).
Google Scholar
Skjelbred, H. I., Kong, J. & Abgottspon, H. Calculation of Power Compensation for a Pumped Storage Hydropower Plant with Hydraulic Short-Circuit Operation. In Proc. Hydro 2017 https://www.researchgate.net/publication/328841351_Calculation_of_power_compensation_for_a_pumped_storage_hydropower_plant_with_hydraulic_short-circuit_operation (2017).
Chazarra, M., Pérez-Díaz, J. I. & García-González, J. Optimal joint energy and secondary regulation reserve hourly scheduling of variable speed pumped storage hydropower plants. IEEE Trans. Power Syst. 33, 103–115 (2018).
Google Scholar
Kwon, J., Levin, T. & Koritarov, V. Optimal market participation of pumped storage hydropower plants considering hydraulic short-circuit operation. In 2020 52nd North American Power Symposium (NAPS) 1–6 (IEEE, 2021).
Yang, W. & Yang, J. Advantage of variable-speed pumped storage plants for mitigating wind power variations: integrated modelling and performance assessment. Appl. Energy 237, 720–732 (2019).
Google Scholar
Xu, Y. et al. Adaptive condition predictive-fuzzy PID optimal control of start-up process for pumped storage unit at low head area. Energy Convers. Manag. 177, 592–604 (2018).
Google Scholar
Xu, Y. et al. An adaptively fast fuzzy fractional order PID control for pumped storage hydro unit using improved gravitational search algorithm. Energy Convers. Manag. 111, 67–78 (2016).
Google Scholar
Guo, W. & Li, J. Stability and multi-frequency dynamic characteristics of nonlinear grid-connected pumped storage-wind power interconnection system. Nonlinear Dyn. 111, 20929–20958 (2023).
Google Scholar
Sarasúa, J. I., Pérez-Díaz, J. I., Wilhelmi, J. R. & Sánchez-Fernández, J. Á. Dynamic response and governor tuning of a long penstock pumped-storage hydropower plant equipped with a pump-turbine and a doubly fed induction generator. Energy Convers. Manag. 106, 151–164 (2015).
Google Scholar
Martínez-Lucas, G., Sarasúa, J. I., Sánchez-Fernández, J. Á. & Wilhelmi, J. R. Frequency control support of a wind-solar isolated system by a hydropower plant with long tail-race tunnel. Renew. Energy 90, 362–376 (2016).
Google Scholar
Guo, W. & Wu, F. Stability behavior of load adjustment and primary frequency control of pumped storage power plant with upstream and downstream surge tanks. J. Energy Storage 60, 106626 (2023).
Google Scholar
Ma, W. et al. A physics-based and data-aided transient prediction framework for sustainable operation of pumped-storage hydropower systems. Appl. Energy 384, 125470 (2025).
Google Scholar
Zeng, W., Yang, J. & Hu, J. Pumped storage system model and experimental investigations on S-induced issues during transients. Mech. Syst. Signal. Process. 90, 350–364 (2017).
Google Scholar
Zhao, Z., Yang, J., Yang, W., Hu, J. & Chen, M. A coordinated optimization framework for flexible operation of pumped storage hydropower system: nonlinear modeling, strategy optimization and decision making. Energy Convers. Manag. 194, 75–93 (2019).
Google Scholar
Li, Y. et al. Ancillary service quantitative evaluation for primary frequency regulation of pumped storage units considering refined hydraulic characteristics. J. Energy Storage 45, 103414 (2022).
Google Scholar
Ma, W. et al. A transient analysis framework for hydropower generating systems under parameter uncertainty by integrating physics-based and data-driven models. Energy 297, 131141 (2024).
Google Scholar
Zhao, Z. et al. Improvement of regulation quality for hydro-dominated power system: quantifying oscillation characteristic and multi-objective optimization. Renew. Energy 168, 606–631 (2021).
Google Scholar
GB/T 40595-2021. Guide for technology and test on primary frequency control of grid-connected power resource [Chinese]. https://openstd.samr.gov.cn/bzgk/std/newGbInfo?hcno=03B767C66C72E791F978942578237835 (2021).
Zhao, Z. et al. Performance enhancement of pumped storage units for system frequency support based on a novel small signal model. Energy 234, 121207 (2021).
Google Scholar
IHA. Why choose pumped storage hydropower for isolated networks. IHA https://www.hydropower.org/blog/why-choose-pumped-storage-hydropower-for-isolated-networks (2024).
Reigstad, T. I. & Uhlen, K. Variable speed hydropower for provision of fast frequency reserves in the Nordic grid. IEEE Trans. Power Syst. 36, 5476–5485 (2021).
Google Scholar
Zhao, Z. et al. No-load characteristics and variable speed evolution of doubly-fed pumped storage unit based on dynamic experiment platform. Proc. CSEE 42, 7439–7450 (2022).
Pérez-Díaz, J. I., Sarasúa, J. I. & Wilhelmi, J. R. Contribution of a hydraulic short-circuit pumped-storage power plant to the load–frequency regulation of an isolated power system. Int. J. Electr. Power Energy Syst. 62, 199–211 (2014).
Google Scholar
Sarasúa, J. I., Martínez-Lucas, G. & Lafoz, M. Analysis of alternative frequency control schemes for increasing renewable energy penetration in El Hierro Island power system. Int. J. Electr. Power Energy Syst. 113, 807–823 (2019).
Google Scholar
Geiger, C. & Riedelbauch, S. Power plant transients including hydraulic short circuit operation mode. Energies 16, 4492 (2023).
Google Scholar
Zhao, K. et al. Multi-scale oscillation characteristics and stability analysis of pumped-storage unit under primary frequency regulation condition with low water head grid-connected. Renew. Energy 189, 1102–1119 (2022).
Google Scholar
Shi, L. et al. DDPG-based load frequency control for power systems with renewable energy by DFIM pumped storage hydro unit. Renew. Energy 218, 119274 (2023).
Google Scholar
Li, J., Guo, W. & Liu, Y. Nonlinear state feedback-synergetic control for low frequency oscillation suppression in grid-connected pumped storage-wind power interconnection system. J. Energy Storage 73, 109281 (2023).
Google Scholar
Damdoum, A., Slama-Belkhodja, I., Pietrzak-David, M. & Debbou, M. Low voltage ride-through strategies for doubly fed induction machine pumped storage system under grid faults. Renew. Energy 95, 248–262 (2016).
Google Scholar
Department of the Environment, Climate and Communications. Directive (EU) 2019/944 and Regulation (EU) 2019/943 on the Internal Market for Electricity (Recasts). https://www.gov.ie/en/publication/f8565-directive-eu-2019944-and-regulation-eu-2019943-on-the-internal-market-for-electricity-recasts/ (Department of the Environment, Climate and Communications, 2021).
ENTSO-E WGAS. Survey on ancillary services procurement and electricity balancing market design 2013. ENTSO-E WGAS https://eepublicdownloads.entsoe.eu/clean-documents/pre2015/publications/entsoe/ENTSO-E_2013_Survey_on_AS_Procurement_and_EBM_design.pdf (2014).
Tarditi, A. et al. Hydropower Plants as Black Start Resources. ORNL/SPR-2018/1077 https://www.energy.gov/sites/prod/files/2019/05/f62/Hydro-Black-Start_May2019.pdf (ORNL, 2019).
SONI Ltd. Design of the System Restoration Plan for Northern Ireland — In Accordance with the Requirements of Articles 23 and 4.5 of the Commission Regulation (EU) 2017/2196 Establishing a Network Code on Electricity Emergency and Restoration https://cms.soni.ltd.uk/sites/default/files/media/documents/SystemRestorationPlanForNorthernIreland.pdf (SONI Ltd, 2018).
Weber, H. & Krueger, M. Dynamic investigation of network restoration by the pumped-storage plant Markersbach in Germany. IFAC Proc. 41, 7004–7009 (2008).
Google Scholar
Polster, S. C. et al. Best practice grid restoration with hydropower plants. In 20th International Seminar on Hydropower Plants https://pure.tugraz.at/ws/portalfiles/portal/48980890/bestpracticegridrestorationwithhydropowerplants_final.pdf (2018).
Quaia, S., Marchesin, A., Marsigli, B. & Pascucci, A. Using pumped storage loads in restoration paths: a field test in the Italian national grid. IEEE Trans. Power Syst. 20, 1580–1587 (2005).
Google Scholar
O’Brien, J. G. et al. Electric grid blackstart: trends, challenges, and opportunities. OSTI https://www.osti.gov/biblio/1862969 (2022).
Durvasulu, V. et al. Rationale for adding batteries to hydropower plants and tradeoffs in hybrid system operation: a review. Renew. Sustain. Energy Rev. 202, 114673 (2024).
Google Scholar
Kurup, S. R. & Ashok, S. Performance of a hydro power plant during black start and islanded operation. In 2015 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES) 1–5 (IEEE, 2015).
Ngenyi-Ngondo, R. Grid Voltage Control Strategies at the Coo Pumped Storage Hydroelectric Power Plant: Voltage Stability and Reactive Power Capability Analysis. Thesis, Univ. Catholique de Louvain (2023).
Giosio, D., Henderson, A., Sargison, J. E., Andrewartha, J. & Walker, G. J. Initial investigations into the unsteady operation of hydroelectric systems during rapid starting of Francis turbines. In 17th Australasian Fluid Mechanics Conference Vol. 1, 300 (Univ. Auckland, 2010).
Vagnoni, E., Valentin, D. & Avellan, F. Dynamic behaviour of a francis turbine during voltage regulation in the electrical power system. Int. J. Electr. Power Energy Syst. 125, 106474 (2021).
Google Scholar
Pitorac, L. I., Vereide, K. & Lia, L. Technical review of existing Norwegian pumped storage plants. Energies https://doi.org/10.3390/en13184918 (2020).
Nicolet, C. et al. Inertia emulation contribution of Frades 2 variable speed pump-turbine to power network stability. Preprint at https://doi.org/10.48550/arXiv.2404.06299 (2024).
Nicolet, C. et al. XFLEX HYDRO demonstrators grid services assessment and Ancillary Services Matrix elaboration. In HYDRO 2023 – International Conference: New ideas for proven resources (2024).
Staubli, T. & Fahrni, F. Analysis of the flow conditions in the Nant de Drance pumped storage plant and their impact on acoustic discharge measurement. In International Conference IGHEM (International Group for Hydraulic Efficiency Measurement) https://ighem.org/Papers_IGHEM/650.pdf (2022).
Polster, S., Aubert, S., Häderli, C., Ladreiter-Knauss, C. & Steinmann, P. Malta Oberstufe overhaul project variable speed operation with MMC full converter. In Vienna Hydro 2022 https://www.researchgate.net/publication/363924873_Malta_Oberstufe_Overhaul_Project_Variable_Speed_Operation_with_MMC_Full_Converter (2022).
Polster, S., Deschler, J., Renner, H., Bocquel, A. & Janssen, M. Challenges of large converter-fed synchronous machines for variable-speed pumped hydro storage. Energies 16, 7506 (2023).
Google Scholar
IEA. Hydropower Special Market Report — Analysis. IEA https://www.iea.org/reports/hydropower-special-market-report/executive-summary (2021).
Casati, P., di Castelnuovo, M. & Vazquez, M. in Handbook of Energy Economics and Policy (eds Rubino, A. et al.) 395–431 (Academic, 2021).
Quaranta, E. et al. Clean Energy Technology Observatory, Hydropower and Pumped Hydropower Storage in the European Union: Status Report on Technology Development, Trends, Value Chains and Markets: 2023 (Publications Office of the European Union, 2023).
Quaranta, E. et al. Assessing the energy potential of modernizing the European hydropower fleet. Energy Convers. Manag. 246, 114655 (2021).
Google Scholar
Weber, T., Stocks, R., Blakers, A., Nadolny, A. & Cheng, C. A global atlas of pumped hydro systems that repurpose existing mining sites. Renew. Energy 224, 120113 (2024).
Google Scholar
Gimeno-Gutiérrez, M. & Lacal-Arántegui, R. Assessment of the european potential for pumped hydropower energy storage based on two existing reservoirs. Renew. Energy 75, 856–868 (2015).
Google Scholar
Balducci, P. et al. Technoeconomic studies for the Banner Mountain energy storage project valuation framework test case study. OSTI https://www.osti.gov/biblio/1971225 (2022).
Balducci, P. et al. Technoeconomic studies for the Goldendale energy storage project valuation framework test case study. OSTI https://www.osti.gov/biblio/1971227 (2022).
National Hydropower Association (NHA). 2021 U.S. pumped storage hydropower report. NHA https://www.hydro.org/news/nha-unveils-new-2021-u-s-pumped-storage-hydropower-report/ (2021).
Boff, D. S., Barlow, J. T., Taylor, M. S. & Miller, L. M. Opportunities for pumped storage hydropower under the Inflation Reduction Act. OSTI https://www.osti.gov/biblio/2434003 (2024).
Koritarov, V. et al. Pumped Storage Hydropower Valuation Guidebook: a cost–benefit and decision analysis valuation framework. OSTI https://www.osti.gov/biblio/1770766 (2021).
Chapman, A. J. & Itaoka, K. Energy transition to a future low-carbon energy society in Japan’s liberalizing electricity market: precedents, policies and factors of successful transition. Renew. Sustain. Energy Rev. 81, 2019–2027 (2018).
Google Scholar
Anuta, O. H., Taylor, P., Jones, D., McEntee, T. & Wade, N. An international review of the implications of regulatory and electricity market structures on the emergence of grid scale electricity storage. Renew. Sustain. Energy Rev. 38, 489–508 (2014).
Google Scholar
Nagayama, H. No. 384 Current status and future of pumped storage power plants [Japanese]. Kyoto Univ. https://www.econ.kyoto-u.ac.jp/renewable_energy/stage2/contents/column0384.html (2024).
Japan Exchange Group. Electricity futures. JPX https://www.jpx.co.jp/english/derivatives/products/energy/electricity-futures/index.html (2025).
Iino, Y., Imai, R., Hayashi, Y., Miyasawa, A. & Imaeda, Y. Proposal and evaluation of bidding strategies for kWh and ΔkW to spot and balancing markets with Co-generation system. IEEJ Trans. Power Energy 144, 112–122 (2024).
Google Scholar
U-POWER. Capacity market in full: impact and benefits of the 2024 reforms [Japanese]. U-POWER U-Next Holdings https://u-power.jp/sdgs/future/000411.html (2024).
He, Y., Liu, Y., Li, M. & Zhang, Y. Benefit evaluation and mechanism design of pumped storage plants under the background of power market reform — a case study of China. Renew. Energy 191, 796–806 (2022).
Google Scholar
Barbour, E., Wilson, I. A. G., Radcliffe, J., Ding, Y. & Li, Y. A review of pumped hydro energy storage development in significant international electricity markets. Renew. Sustain. Energy Rev. 61, 421–432 (2016).
Google Scholar
Yang, L. I. U., Yongxiu, H. E., Moxing, L. I. & Yan, Z. Design of price market linkage mechanism and economic benefit evaluation of pumped storage power station under the power market environment. Mod. Electr. Power 40, 42–49 (2023).
National Development and Reform Commission. Notice on capacity electricity price and related matters of pumped storage power stations [in Chinese]. NDRC https://www.gov.cn/zhengce/zhengceku/202308/content_6897625.htm (2023).
National Development and Reform Commission. Opinions of the National Development and Reform Commission on further improving the price formation mechanism of pumped storage energy [Chinese]. NDRC https://www.gov.cn/zhengce/zhengceku/2021-05/08/content_5605367.htm (2021).
Energy Bureau of Guangdong Province & South China Energy Regulatory Bureau of National Energy Administration. Notice on issuing the implementation plan for pumped storage energy to participate in electricity market transactions in Guangdong Province [Chinese]. Guangdong Provincial Development and Reform Commission https://drc.gd.gov.cn/snyj/tzgg/content/post_4457025.html (2024).
T. Buckley & K. Shah. Pumped hydro storage in India. IEEFA https://ieefa.org/sites/default/files/resources/IEEFA-India_Pumped-Hydro-Storage_Mar-2019.pdf (2019).
Ministry of Power, Government of India. Guidelines to Promote Development of Pump Storage Projects (PSP) https://powermin.gov.in/sites/default/files/Guidelines_to_Promote_Development_of_Pump_Storage_Projects.pdf (Ministry of Power, Government of India, 2023).
Australian Energy Regulator. State of the energy market 2024. AER https://www.aer.gov.au/documents/state-energy-market-2024-full-report (2024).
Mordor Intelligence. South America Pumped Hydro Storage Market Size & Share Analysis — Growth, Trends, And Forecasts (2025–2030). Mordor Intelligence https://www.mordorintelligence.com/industry-reports/south-america-pumped-hydro-storage-market/market-size (2024).
Graham, N., Malagón, E., Viscidi, L. & Yépez-García, A. State of Charge: Energy Storage in Latin America and the Caribbean (IDB, 2021).
Tejada-Arango, D. A., Siddiqui, A. S., Wogrin, S. & Centeno, E. A review of energy storage system legislation in the US and the European Union. Curr. Sustain. Energy Rep. 6, 22–28 (2019).
Google Scholar
Teng, F., Aunedi, M., Strbac, G., Trovato, V. & Dallagi, A. Provision of ancillary services in future low-carbon UK electricity system. In 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe) 1–6 (IEEE, 2017).
Kirby, B. Co‐optimizing energy and ancillary services from energy limited hydro and pumped storage plants. HydroVision https://www.consultkirby.com/files/Preprinted_HydroVision_2012-_Cooptimizing_Energy_AS_from_Energy_Limited_PS_Plants.pdf (2012).
Blakers, A., Stocks, M., Lu, B., Cheng, C. & Stocks, R. Pathway to 100% renewable electricity. IEEE J. Photovolt. 9, 1828–1833 (2019).
Google Scholar
Vieira, F. & Ramos, H. M. Hybrid solution and pump-storage optimization in water supply system efficiency: a case study. Energy Policy 36, 4142–4148 (2008).
Google Scholar
Deane, J. P., Ó Gallachóir, B. P. & McKeogh, E. J. Techno-economic review of existing and new pumped hydro energy storage plant. Renew. Sustain. Energy Rev. 14, 1293–1302 (2010).
Google Scholar
Pacific Northwest National Laboratory. Energy storage evaluation tool (ESET). PNNL https://www.pnnl.gov/available-technologies/energy-storage-evaluation-tool-eset (2022).
US Department of Energy. QuESt 2.0 — open-source platform for energy storage analytics. DOE Office of Electricity Energy Storage Program https://www.sandia.gov/ess/tools-resources/quest (2021).
Balducci, P., Mongird, K. & Weimar, M. Understanding the value of energy storage for power system reliability and resilience applications. Curr. Sustain. Energy Rep. 8, 131–137 (2021).
Google Scholar
US Department of Energy. Pathways to Commercial Liftoff: Long Duration Energy Storage https://liftoff.energy.gov/wp-content/uploads/2023/05/Pathways-to-Commercial-Liftoff-LDES-May-5_UPDATED.pdf (US Department of Energy, 2023).
Long Duration Energy Storage Council. 2024 LDES Annual Report. Long Duration Energy Storage Council https://www.ldescouncil.com/insights/ (2024).
Cohen, S. M. & Mowers, M. Advanced hydropower and PSH capacity expansion modeling (final report on HydroWIRES D1 improvements to capacity expansion modeling). OSTI https://www.osti.gov/biblio/1877873 (2022).
Clean Energy Council. The Future of Long Duration Energy Storage — Keeping the Lights On in a Carbon Constrained World https://assets.cleanenergycouncil.org.au/documents/The-future-of-long-duration-energy-storage.pdf (Clean Energy Council, 2024).
Australian Renewable Energy Agency. Long-duration energy storage and Australia’s net zero ambitions. ARENA https://arena.gov.au/blog/long-duration-energy-storage-and-australias-net-zero-ambitions/ (2024).
National Energy Administration. Notice of the National Energy Administration on Issuing the Guiding Opinions on Energy Work in 2025. National Energy Development Plan [2025] No. 16. https://www.nea.gov.cn/20250227/b60fb4f51097434e8c5d7ee19b423651/c.html (National Energy Administration, 2025).
Department for Energy Security and Net Zero. Long Duration Electricity Storage: Scenario Deployment Analysis DESNZ Research Paper No. 2023/047 (Department for Energy Security and Net Zero, 2024).
Denholm, P., Cole, W. & Blair, N. Moving Beyond 4-Hour Li-Ion Batteries: Challenges and Opportunities for Long(er)-Duration Energy Storage Technical Report NREL/TP-6A40-85878 (NREL, 2023).
Department for Energy Security and Net Zero. Long duration electricity storage: proposals to enable investment. GOV.UK https://www.gov.uk/government/consultations/long-duration-electricity-storage-proposals-to-enable-investment (2024).
Hunt, J. D. et al. Mountain gravity energy storage: a new solution for closing the gap between existing short- and long-term storage technologies. Energy 190, 116419 (2020).
Google Scholar
Hunt, J. D. et al. Underground gravity energy storage: a solution for long-term energy storage. Energies 16, 825 (2023).
Google Scholar
Shen, J., Wang, Y., Hao, T. & Cheng, C. Pumped-storage renovation for grid-scale, long-duration energy storage. Nat. Rev. Electr. Eng. 2, 79–80 (2025).
Google Scholar
Staadecker, M., Szinai, J., Sánchez-Pérez, P. A., Kurtz, S. & Hidalgo-Gonzalez, P. The value of long-duration energy storage under various grid conditions in a zero-emissions future. Nat. Commun. 15, 9501 (2024).
Google Scholar
Guerra, O. J. et al. Towards robust and scalable dispatch modeling of long-duration energy storage. Renew. Sustain. Energy Rev. 207, 114940 (2025).
Google Scholar
Aihara, R., Yokoyama, A., Nomiyama, F. & Kosugi, N. Optimal operation scheduling of pumped storage hydro power plant in power system with a large penetration of photovoltaic generation using genetic algorithm. In 2011 IEEE Trondheim PowerTech 1–8 (IEEE, 2011).
Hunt, J. D. et al. Role of pumped hydro storage plants for flood control. J. Energy Storage 104, 114496 (2024).
Google Scholar
Hunt, J. D. et al. Hydropower and seasonal pumped hydropower storage in the Indus Basin: pros and cons. J. Energy Storage 41, 102916 (2021).
Google Scholar
Hunt, J. D., Byers, E., Riahi, K. & Langan, S. Comparison between seasonal pumped-storage and conventional reservoir dams from the water, energy and land nexus perspective. Energy Convers. Manag. 166, 385–401 (2018).
Google Scholar
Hunt, J. D., Freitas, M. A. V. & Pereira Junior, A. O. A review of seasonal pumped-storage combined with dams in cascade in Brazil. Renew. Sustain. Energy Rev. 70, 385–398 (2017).
Google Scholar
National Energy Administration. Innovative pumped storage hydropower technology for energy storage and water transposition. NEA https://www.nea.gov.cn/2023-07/24/c_1310733785.htm (2023).
Hunt, J. D. et al. Mapping the potential for pumped storage using existing lower reservoirs. J. Energy Storage 73, 109047 (2023).
Google Scholar
Hunt, J. D., Zakeri, B., Nascimento, A. & Brandão, R. in Storing Energy (ed. Letcher, T.) 37–65 (Elsevier, 2022).
Hunt, J. D. et al. The potential role of seasonal pumped hydropower storage in decarbonizing the power sector in Saudi Arabia. Renew. Sustain. Energy Rev. 211, 115361 (2025).
Google Scholar
Maavara, T. et al. River dam impacts on biogeochemical cycling. Nat. Rev. Earth Environ. 1, 103–116 (2020).
Google Scholar
Mahfoud, R. et al. Optimal operation of pumped hydro storage-based energy systems: a compendium of current challenges and future perspectives. Renew. Sustain. Energy Rev. 178, 113267 (2023).
Google Scholar
Schleiss, A. J., Franca, M. J., Juez, C. & De Cesare, G. Reservoir sedimentation. J. Hydraul. Res. 54, 595–614 (2016).
Google Scholar
He, F. et al. Hydropower impacts on riverine biodiversity. Nat. Rev. Earth Environ. 5, 755–772 (2024).
Google Scholar
Simon, T. R. et al. Life cycle assessment of closed-loop pumped storage hydropower in the United States. Environ. Sci. Technol. 57, 12251–12258 (2023).
Google Scholar
Torres, O. Life Cycle Assessment of a Pumped Storage Power Plant. Master’s thesis, Norwegian Univ. Science and Technology (2011).
Gemechu, E. & Kumar, A. A review of how life cycle assessment has been used to assess the environmental impacts of hydropower energy. Renew. Sustain. Energy Rev. 167, 112684 (2022).
Google Scholar
Pang, M., Zhang, L., Wang, C. & Liu, G. Environmental life cycle assessment of a small hydropower plant in China. Int. J. Life Cycle Assess. 20, 796–806 (2015).
Google Scholar
Pehl, M. et al. Understanding future emissions from low-carbon power systems by integration of life-cycle assessment and integrated energy modelling. Nat. Energy 2, 939–945 (2017).
Google Scholar
de Kleijne, K. et al. Worldwide greenhouse gas emissions of green hydrogen production and transport. Nat. Energy 9, 1139–1152 (2024).
Google Scholar
Quaranta, E. et al. Considerations on the existing capacity and future potential for energy storage in the European Union’s hydropower reservoirs and pumped-storage hydropower. J. Energy Storage 104, 114431 (2024).
Google Scholar
Blakers, A. et al. A global atlas of 616,000 pumped hydro energy storage sites. In Proceedings of the ISES Solar World Congress 2019 1–5 (International Solar Energy Society, 2019).
Lu, B., Stocks, M., Blakers, A. & Anderson, K. Geographic information system algorithms to locate prospective sites for pumped hydro energy storage. Appl. Energy 222, 300–312 (2018).
Google Scholar
Li, X. et al. Short-term risk-management for hydro–wind–solar hybrid energy system considering hydropower part-load operating characteristics. Appl. Energy 360, 122818 (2024).
Google Scholar
He, J., Li, G., Hu, M. & Zhang, L. Comparative analysis of pumped storage power plant operation modes [Chinese]. in Pumped Storage Power Plant Engineering and Construction Anthology 2019 (China Hydropower Engineering Society Grid Peaking and Pumped Storage Committee, 2019).
Liu, F. et al. Cost mitigation mechanism of pumped storage power plants under a new power system: a review and outlook. J. Shanghai Jiao Tong Univ. 57, 757–768 (2023).
IRENA. Renewable Energy Statistics 2024 https://www.irena.org/Publications/2024/Jul/Renewable-energy-statistics-2024 (IRENA, 2024).
Nazari, M. E. & Ardehali, M. M. Optimal bidding strategy for a GENCO in day-ahead energy and spinning reserve markets with considerations for coordinated wind-pumped storage-thermal system and CO2 emission. Energy Strategy Rev. 26, 100405 (2019).
Google Scholar
Pathayapurayil, S. M. & Jain, H. Variable speed pumped storage hydropower plant for black start. In 2023 IEEE International Conference on Energy Technologies for Future Grids (ETFG) 1–5 (IEEE, 2023).
Murray, C. California solar-plus-storage project with world’s largest BESS fully online. Energy Storage News https://www.energy-storage.news/edwards-sanborn-california-solar-storage-project-world-largest-bess-battery-system-fully-online/ (2024).
Pradhan, A., Marence, M. & Franca, M. J. The adoption of seawater pump storage hydropower systems increases the share of renewable energy production in Small Island Developing States. Renew. Energy 177, 448–460 (2021).
Google Scholar
Hunt, J. D., Al-Nory, M. T., Slocum, A. H. & Wada, Y. Integrated seasonal pumped hydro, cooling, and reverse osmosis: a solution to desert coastal regions. Desalination 593, 118242 (2025).
Google Scholar
Slocum, A. H., Haji, M. N., Trimble, A. Z., Ferrara, M. & Ghaemsaidi, S. J. Integrated pumped hydro reverse osmosis systems. Sustain. Energy Technol. Assess. 18, 80–99 (2016).
Hoffstaedt, J. P. et al. Low-head pumped hydro storage: a review of applicable technologies for design, grid integration, control and modelling. Renew. Sustain. Energy Rev. 158, 112119 (2022).
Google Scholar
Jurasz, J. et al. Building integrated pumped-storage potential on a city scale: an analysis based on geographic information systems. Energy 242, 122966 (2022).
Google Scholar
Du, J., Yang, H., Shen, Z. & Chen, J. Micro hydro power generation from water supply system in high rise buildings using pump as turbines. Energy 137, 431–440 (2017).
Google Scholar
Hunt, J. D. & Leal Filho, W. Land, water, and wind watershed cycle: a strategic use of water, land and wind for climate change adaptation. Clim. Change 147, 427–439 (2018).
Google Scholar
Nasir, A., Dribssa, E. & Girma, M. The pump as a turbine: a review on performance prediction, performance improvement, and economic analysis. Heliyon 10, e26084 (2024).
Google Scholar
Ge, S., Gao, Y., Yao, X. & Liu, J. Can pumped-storage power in underground coal mine reduce carbon emissions? J. Clean. Prod. 255, 120344 (2020).
Google Scholar
Ingram, E. SENS signs agreement with Callio for Pyhäsalmi pumped storage and battery project. Factor This https://www.renewableenergyworld.com/energy-storage/pumped-storage/sens-signs-agreement-with-callio-for-pyhasalmi-pumped-storage-and-battery-project/ (2024).
Eggimann, S. et al. The potential of lake-source district heating and cooling for European buildings. Energy Convers. Manag. 283, 116914 (2023).
Google Scholar
Zhao, W. et al. On the use of artificial neural networks for condition monitoring of pump-turbines with extended operation. Measurement 163, 107952 (2020).
Google Scholar
Rode, B. R. & Kumar, A. Unstable pressure fluctuations in the vaneless space of high-head reversible pump-turbines — a systematic review. J. Energy Storage 72, 108397 (2023).
Google Scholar
Kumar, K. & Saini, R. P. A review on operation and maintenance of hydropower plants. Sustain. Energy Technol. Assess. 49, 101704 (2022).
Bulut, M. & Özcan, E. A new approach to determine maintenance periods of the most critical hydroelectric power plant equipment. Reliab. Eng. Syst. Saf. 205, 107238 (2021).
Google Scholar
Rodríguez, J. A., Anjos, M. F., Côté, P. & Desaulniers, G. Accelerating benders decomposition for short-term hydropower maintenance scheduling. Eur. J. Oper. Res. 289, 240–253 (2021).
Google Scholar
Sousa Oliveira, P. et al. Maintenance schedule optimization applied to large hydroelectric plants: towards a methodology encompassing regulatory aspects. IEEE Access 9, 29883–29894 (2021).
Google Scholar
Nie, L. et al. Fatigue life prediction of motor-generator rotor for pumped-storage plant. Eng. Fail. Anal. 79, 8–24 (2017).
Google Scholar
Kuznetsov, N. V., Yuldashev, M. V. & Yuldashev, R. V. Analytical-numerical analysis of closed-form dynamic model of Sayano–Shushenskaya hydropower plant: stability, oscillations, and accident. Commun. Nonlinear Sci. Numer. Simul. 93, 105530 (2021).
Google Scholar
Zhao, Q. et al. Failure analysis on the bolt connecting the head-cover and stay ring in pumped storage unit: Part I — experimental study. Eng. Fail. Anal. 153, 107557 (2023).
Google Scholar
de Santis, R. B., Gontijo, T. S. & Costa, M. A. Condition-based maintenance in hydroelectric plants: a systematic literature review. Proc. Inst. Mech. Eng. Part. O J. Risk Reliab. 236, 631–646 (2022).
Chen, F. et al. Tensor Poincaré plot index: a novel nonlinear dynamic method for extracting abnormal state information of pumped storage units. Reliab. Eng. Syst. Saf. 254, 110607 (2025).
Google Scholar
Li, X., Guo, Y., Xiao, B., Jing, Q. & Yun, Z. Stability and safety study of pumped storage units based on time-shifted multi-scale cosine similarity entropy. J. Energy Storage 95, 112611 (2024).
Google Scholar
Bai, J. et al. Multi-loop model based internal fault analysis of variable speed pumped hydro machines. IEEE Trans. Energy Convers. https://doi.org/10.1109/TEC.2024.3407486 (IEEE, 2024).
Lu, Q. et al. A rotor open-phase imbalance protection for variable speed pumped storage unit based on rotation transformation fault component ratio. Int. J. Electr. Power Energy Syst. 160, 110105 (2024).
Google Scholar
Yan, D., Zheng, Y., Wang, W. & Chen, Q. Modeling and dynamic analyses of the bulb turbine blade with crack fault. Appl. Math. Model. 89, 731–751 (2021).
Google Scholar
Jieyang, P. et al. A systematic review of data-driven approaches to fault diagnosis and early warning. J. Intell. Manuf. 34, 3277–3304 (2023).
Google Scholar
Zhao, Z. et al. A universal hydraulic-mechanical diagnostic framework based on feature extraction of abnormal on-field measurements: application in micro pumped storage system. Appl. Energy 357, 122478 (2024).
Google Scholar
Wu, X. et al. Rub-impact fault diagnosis of rotating machinery based on 1-D convolutional neural networks. IEEE Sens. J. 20, 8349–8363 (2020).
Google Scholar
Lee, J. et al. Prognostics and health management design for rotary machinery systems — reviews, methodology and applications. Mech. Syst. Signal. Process. 42, 314–334 (2014).
Google Scholar
Azzawi, D. A., Moncayo, H., Perhinschi, M. G., Perez, A. & Togayev, A. Comparison of immunity-based schemes for aircraft failure detection and identification. Eng. Appl. Artif. Intell. 52, 181–193 (2016).
Google Scholar
Zhang, X., Jiang, Y., Li, C. & Zhang, J. Health status assessment and prediction for pumped storage units using a novel health degradation index. Mech. Syst. Signal Process. 171, 108910 (2022).
Google Scholar
Chen, P., Li, C. & Zhang, X. Degradation trend prediction of pumped storage unit based on a novel performance degradation index and GRU-attention model. Sustain. Energy Technol. Assess. 54, 102807 (2022).
Liu, Y. et al. Real-time comprehensive health status assessment of hydropower units based on multi-source heterogeneous uncertainty information. Measurement 216, 112979 (2023).
Google Scholar
Li, R. et al. Dynamic maintenance planning of a hydro-turbine in operational life cycle. Reliab. Eng. Syst. Saf. 204, 107129 (2020).
Google Scholar