25 photovoltaic systems have already been installed on municipal buildings. The most recently installed photovoltaic system is on the roof of the daycare center in the city center. The system generates about 28,500 kilowatt hours (kWh) of electricity per year, of which about 22,000 kWh is consumed directly. The rest is fed into the power grid. The daycare center will save up to 5,000 euros per year in electricity costs in the future. In addition, the PV system will avoid around 13,300 kilograms of carbon dioxide per year. Further projects are already being planned for the coming year.

The room temperature in sports halls and gymnasiums was lowered to 17 °C. All sports clubs and schools were informed in advance about the temperature reduction. For certain events in multi-purpose halls, the room temperature is increased to 20 °C if necessary.

Individual street lighting systems are switched off on a trial basis. For the time being, streets will be selected that are largely free of development and therefore do not serve to provide access to buildings. As a first step, the lighting systems on Braunschweiger Strasse (from the Rabenbergstrasse bus stop in the direction of the A39) and Frankfurter Strasse (section between the Westhagen/Frankfurter Strasse bus stop and Dresdener Strasse in Fallersleben) will be switched off for the entire night.

In parallel, the design lighting of artworks, buildings and vegetation will be successively switched off.

The individual approaches will save around 100,000 kilowatt hours of electricity per year. The switching off of lighting systems in commercial areas and on paths in green spaces is currently being examined.

The safety aspect is at the forefront of all measures.

Reasonable reductions in pool water temperatures were implemented in the municipal indoor pools, the Schwefelbad and in BadeLand, as well as a change in pool water temperature control in the outdoor pools. The city of Wolfsburg is following a recommendation of the German Association of Cities.

In detail, this means a lowering of the water temperatures:

• in the BadeLand medi-pool with outdoor area: by one degree to 28 °C
• in the BadeLand non-swimmer and diving pool: by one degree to 29 °C
• in the BadeLand wave pool: by two degrees to 28 °C
• in the municipal indoor pools: by one degree to 29 °C
• in the Fallersleben sulfur pool: by one degree to 29 °C

The sports pool in BadeLand is expressly exempt from the temperature reductions: here, the water temperature remains at 26 degrees to allow swimming courses and swimming lessons to be held without restrictions, especially for the youngest swimmers. Wolfsburg's sports clubs have been informed about the steps in writing and the measures were also discussed with the major swimming clubs in advance.

The further switching off of traffic lights at night times is currently still under review. When reviewing the measure, the focus is on safety.

To save water and energy, the city of Wolfsburg turned off the fountains earlier this year. For the current operating year, this is expected to save around 600 cubic meters of water and around 18,000 kilowatts of electricity. In total, the 35 wells consume around 1,800 cubic meters of water and around 68,000 kilowatt hours of electricity per operating year.