Seems like a misleading headline. Total energy used is at a record low: https://www.energy-charts.info/charts/energy/chart.htm?l=en&... Much of the decline came from gas, presumably because they stopped buying so much from Russia.
And because of the mild weather in the winter season 2022-2023. Also, private households are saving on energy as much as they can because of high prices.
[1] https://www.statista.com/statistics/1189752/household-heatin...