FRANKFURT, March 10 : German start-up Polarise plans to build a new 30-megawatt artificial intelligence data centre that would double Germany's domestically-run computing capacity as European nations push to gain more control over critical tech infrastructure. The facility, set to come online in the Bavarian town of Amberg in mid-2027, could eventually expand to 120 MW, the company told Reuters. AI data centres in Germany boasted total capacity of 530 MW at the end of last year, according to