Norway is supervising huge forest areas against fire developments
Mexico is supervising huge areas inside substation buildings to save manpower on shif and to detect not normal temperatures at connectors
You may supervise huge areas against gas detection: just save the normal temperations of environment and material, and alarm any different temperature may accur due to gas leakage or others.
detect your insulation damage or even leakage
detect and shut down/repair your joints, flanges, connectors for possible problems
just detect before the disaster may accur