The city of Cologne is taking various measures to save energy.
Among other things, the lighting in the cathedral will be switched off earlier than before.
As the city announced, it is reacting to the sharp rise in the price of oil and natural gas.
She refers to the early warning level of the "gas emergency plan" adopted by the Ministry of Economic Affairs in March.
The lighting of buildings, in addition to the cathedral also Romanesque churches, the historic town hall, the Hohenzollern Bridge and the Severins Bridge, is switched off at 11 p.m. and from autumn at 10 p.m.
The pylons at the RheinEnergieStadion will also be switched off.
Overall, the measure affects over 132 properties with a total of over 1,000 radiators, according to the city.
The lighting in the cathedral was already switched off on Tuesday night.
In addition, the city plans to dim streetlights to 50 percent at 11 p.m.
It should be turned on later and turned off earlier.
In the city offices, the temperature should be a maximum of 19 degrees during the heating period.
According to the statement, the city's employees have been made aware of "energy-efficient behavior".
Cologne Cathedral is not the first to remain unlit in the near future.
Last Wednesday, the city of Speyer and the diocese announced that the exterior lighting of the Speyer Imperial Cathedral would not be installed.
By switching off, you want to save electricity and send a symbolic gesture in the wake of the energy crisis in the wake of the Ukraine war.