ZAGREB, Croatia–(BUSINESS WIRE)–Pantheon Atlas LLC today announced that Croatia’s national transmission system operator, HOPS, has approved a blueprint for Pantheon AI to supply the planned 1 GW hyperscale AI data center in Topusko and open grid access for over 5 GW of new renewable capacity currently bottlenecked in the country. The HOPS approval confirms the technical and regulatory feasibility of supplying electricity to the project at scale, a critical milestone in positioning constructio