Data Centers in Germany: Current Market Developments (Update 2025) (Bitkom)

Summary

• In 2025 installed capacity of all data centers and smaller IT installations in Germany grows by around 250 MW to 2,980 MW, a growth of 9%.p.5
• Colocation data centers exceed 50% of total capacity for the first time in 2025, with capacity growth of 17.5% in this segment.p.5
• Cloud capacity rises by 16.5% to 1,450 MW, so that 49% of German data center capacity is cloud infrastructure.p.5
• Data centers in Germany have an energy demand of 21.3 billion kWh in 2025.p.5
• Capacity in the four large US markets rose 43% in the first quarter of 2025, while the FLAP markets in Europe grew by an average of 7.2%.p.7
• Data center capacity in Germany is expected to reach around 5,000 MW in 2030.p.20
• The share of HPC and AI in data center capacity is 15% and is expected to rise to 40% by 2030.p.22

Key insights

1. Frankfurt capacity grew 13.7%, the fastest of the four FLAP markets, with an expected additional supply of 187 MW.p.7
2. CBRE puts the vacancy rate in Frankfurt/Rhine-Main at 3%, and Berlin at 1.7%.p.9
3. The largest data center project, with 480 MW of IT connected load, is planned in Nierstein.p.11
4. Small IT installations below 100 kW still make up 27% of capacity.p.11
5. The average PUE improved to 1.43 in 2025 from 1.46 in 2024.p.12
6. Hesse with the Frankfurt area has over 1,100 MW, more than one third of all capacity in Germany.p.15
7. Deloitte forecasts that demand for AI data center capacity could triple from 1.6 GW to 4.8 GW between 2025 and 2030.p.22
8. The largest known commercial AI data center in Germany, operated by Aleph Alpha, has 512 GPUs, while JUPITER at Forschungszentrum Jülich will have around 24,000 GPUs.p.23