In May 2022, GKI assessed energy-saving investments and the resulting savings in 964 businesses.

The investments reduced the companies' energy costs by an average of 12%.

Companies with less than 11 employees carried out this type of development the least, and enterprises with more than 250 employees the most.

The largest savings (14%) occurred in companies employing between 151 and 250 people, while the lowest (6%) were among those employing more than 250 people.