ENERGY FROM THE WATER

Hydroelectric reserves

Information based on provisional data from January, 2023

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In terms of hydroelectric reserves, 2022, being a rather dry year, ended with slightly lower reserves than the statistical average. By the end of 2022, the filling percentage of reserves stood at 44.4 %, higher than at the end of 2021 (36.0 %).

Total hydro reserves

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

Reserves remained below historical average levels throughout the year, and only a very rainy end of the year brought the level of reserves closer to the historical average. In September, reserves were very close to the statistical minimum.

Installed hydro power capacity and hydro power reserves at December 31, 2022 by hydrographic zone

Extreme values of peninsular reserves

		2023			Valores históricos
		GWh	Fecha	%	Fecha	%
Máximos	Anuales	5.955	24/01/2023	66,4	mayo de 1969	92,0
	Hiperanuales	4.511	04/04/2023	47,1	abril de 1979	91,1
	Conjunto	10.224	31/01/2023	55,2	abril de 1979	86,6
Mínimos	Anuales	3.306	17/10/2023	36,9	8 diciembre de 2017	24,1
	Hiperanuales	3.281	17/10/2023	34,3	noviembre de 1983	17,6
	Conjunto	6.586	11/10/2023	35,5	8 diciembre de 2017	23,0