Press office

Press office

Demand for electrical energy increases 4.1% in December

The demand for electrical energy on the Spanish peninsula in the month of December is estimated at 22,219 GWh, a value 4.1% higher than that registered in the same month last year. After factoring in the seasonal and working patterns, electrical energy demand on the peninsula increased 5.3% compared to December 2016.

Throughout 2017, the demand for electricity on the Spanish Peninsula is estimated at 252,755 GWh, a value 1.1% higher than in 2016. After factoring in the seasonal and working patterns, demand for electrical energy was 1.6% higher than the value registered the previous year.


According to provisional data available as at 29 December, generation coming from wind power has reached 5,243 GWh, a value 102.4% higher than the same month last year, and has represented 24.3% of total production.

In the month of December, using data available as at 29 December, it is estimated that 33.2% of total production came from renewable energy sources.

54.7% of electricity generation during the month was obtained using technologies which produce zero CO2 emissions.


Generation mix in the month of December 2017


Generation mix January to December 2017


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