ENERGY FROM THE WATER 2023

Hydroelectric reserves

Information based on provisional data from January, 2024

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In terms of hydroelectric reserves, by the end of 2023, reserves were above the statistical average, as it was a year with an average level of rainfall. By the end of 2023, the filling percentage of reserves stood at 51.0 %, higher than at the end of 2022 (44.4 %).

Total hydro reserves

Statistical maximum and minimum: average of the maximum and minimum values of the last 20 years.

Reserves were below the historical average during the middle months of the year, they were close to the average values during the first quarter, and a fairly rainy final quarter placed the level of reserves above the historical average.

Installed hydro power capacity and hydro power reserves at December 31, 2023 by hydrographic zone

Extreme values of peninsular reserves

2023 Historic values
GWh Date % Date %
Maximums Annual 5.955 24/01/2023 66,4 May of 1969 92,0
Hyper-annual 4.511 04/04/2023 47,1 April of 1979 91,1
Combined 10.224 31/01/2023 55,2 April of 1979 86,6
Minimums Annual 3.306 17/10/2023 36,9 8 December 2017 24,1
Hyper-annual 3.281 17/10/2023 34,3 November of 1983 17,6
Combined 6.586 11/10/2023 35,5 8 December 2017 23,0

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