Annual maximums
Information based on provisional data from 8 April, 2022
After 4 years, the maximum annual demand during the winter months grew compared to previous years, registering the highest value since 2012.
In 2021, the maximum hourly demand in the winter months (which was actually the highest value registered throughout the year), was 3.7 % higher than that recorded the previous year, reaching a demand of 41,483 MWh on 8 January between 1:00 p.m. and 2:00 p.m. This maximum value coincides with the cold wave that swept the peninsula at the beginning of January, with the particularity that it broke a run of four consecutive years of a downward trend in winter maximums and this maximum was the highest hourly value registered since 2012 when the maximum value for the winter period was set at 43,411 MWh.
The summer peak occurred on 22 July between 1:00 p.m. and 2:00 p.m. with 36,923 MWh, a decrease of 4 % compared to the 2020 peak value.
Annual evolution of maximum demand for instantaneous power
Annual evolution of maximum hourly and daily demand
Winter: January-May / October-December.
Annual daily maximums - hourly electricity demand load curves
MWh
Evolution of the maximum hourly electricity demand coverage
GWh
Other renewables: Includes biogas, biomass, marine energy and geothermal.
Pumped storage: Pure pumped storage + mixed pumped storage estimate.
Combined cycle: Includes operation in open cycle mode.
Spanish peninsula - Balearic Islands link: Positive value: incoming energy; negative value: outgoing energy.
Positive value: incoming energy. Negative value: outgoing energy.
Maximum hourly electricity demand coverage in 2021
Electricity demand
Variation and components
Electricity demand
Final demand: IRE