Tesla Megapack fire design is containment, not suppression

Photo: Sig. Chiocciola, CC0, via Wikimedia Commons
Megapack batteries are built to burn themselves out inside the container. Insurance written on water-suppression assumptions is structurally misaligned with how the asset is designed to fail. Tesla also prefers firefighters not spray water - a fast contained burn is better for uptime. | Source: Tesla first-responder training, Houston, Apr 2026 (Harris County; 5th nationally, first in Texas). Full write-up on John Munno LinkedIn.