Investor Presentaiton

6th International Conference on Smart Energy Systems Pumped Hydro Storage' Parameter 6-7 October 2020 #SESAAU2020 Value Capex Unit 800-1200 €/kW Replacement Cost 600-800 €/kW Effective head: 100 m Discharge time: 12 hours O and M Cost 40 €/kW/year Lifetime Efficiency 25 years 81 % Economic Parameters for Generic 245 kWh PHS System: Source ESA, 2015 Time to fill reservoir: 14 hours 26 26

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