A Global Perspective on Supercomputer Power Provisioning: Case Studies from United States and Europe. - Tapasya Patki; Barry Rountree; Torsten Wilde; Andrea Bartolini; Stephanie Brink; Esa Heiskanen; Sachin Idgunji; Matthias Maiterth; James H. Rogers; Ermal Rrapaj; Ralf Schneider; Woong Shin; et al. (ICS, 2025)