Data center electricity consumption is rising rapidly

The electricity consumption of data centers reached a new peak in 2025. According to the Statistical Review of World Energy, these facilities consumed nearly 788 terawatt-hours of electricity, representing a significant increase of about 20 percent compared to the previous year. This development is particularly noteworthy as the demand has nearly doubled compared to 2020.

The rising demand for data centers is closely linked to the growing use of Artificial Intelligence (AI) and data-intensive applications. Companies are increasingly relying on cloud services and digital solutions that require enormous computing power. This leads to an intensified use of server farms, which are responsible for processing and storing large amounts of data.

Comparison with German Electricity Consumption

To better understand the dimensions of electricity consumption by data centers, a comparison with German electricity consumption is enlightening. According to the Federal Environment Agency, electricity consumption in Germany in 2025 was 526 terawatt-hours. Thus, data centers consumed more electricity than all of Germany in the same year.

The rapid increase in electricity consumption in data centers raises questions about sustainability and energy efficiency. Experts warn that the growing dependence on digital technologies and AI not only drives up energy costs but also increases environmental impact. The pressure on energy infrastructure is further intensified by this.

Another aspect is the necessity to tap into alternative energy sources. Many data center operators are looking for ways to reduce their energy consumption by using renewable energy. Solar and wind energy are increasingly being considered as solutions to reduce the ecological footprint.

The developments in the data center industry are not only a challenge but also an opportunity for innovations in the field of energy efficiency. Companies are investing in new technologies to optimize energy consumption while simultaneously increasing performance. This could lead to a long-term reduction in overall electricity consumption.

The rising figures highlight the need to rethink energy policies and strategies. Governments and companies face the challenge of finding a balance between technological advancement and sustainable energy supply. The discussion about the future of energy supply will gain importance in the coming years.

The data from the Statistical Review of World Energy shows that electricity consumption by data centers was nearly 788 terawatt-hours in 2025.