EnergyMgr: Look, you want a grid that never hiccups, so start with a solid reliability metric—mean time between failures, MTBF, and a service level agreement that guarantees 99.999% uptime. Build it in layers: redundant power feeds, automated fail‑over, and a real‑time diagnostics dashboard that flags trouble before it kills a load. Predictive AI helps, but it needs training data and a clear threshold for when to trigger maintenance—cost‑saving if you cut the mean time to repair (MTTR) down. Keep costs low by using modular hardware that scales with demand, avoiding over‑provisioning, and sourcing components with proven track records. Finally, audit the whole thing every six months to catch any drift in performance—otherwise you’ll be chasing a phantom of “zero downtime.”