Counties — click to focus
Tier (size) — click to focus
Core
Regional
District
Outpost
Role & markers — click to focus
⇄ Importer Austin · imports jobs
⚓ Anchor own catchment
→ Ring intercepts inbound
⤓ Gateway corridor convergence
◉ NOC Austin + Round Rock
Host-sited (shape per host)
ERCOT stress (when on)
Survives (HI ≥ 80)
Fails — no islanding (HI < 80)
Corridors (ROW)
Public lens
Regional benefit & resilience