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