Power outages represent a critical GIS use case involving the spatial analysis and visualization of electrical grid disruptions across defined geographic areas. Utilities, emergency management agencies, and municipalities leverage geospatial data to map outage locations, identify affected infrastructure, and prioritize restoration efforts in real time. By integrating layers such as transmission line networks, substation locations, customer density, and demographic data, GIS platforms enable analysts to assess outage scope, model cascading failure scenarios, and correlate disruptions with causal factors like severe weather events, equipment age, or vegetation encroachment. Spatial analysis techniques — including proximity analysis, network tracing, and predictive modeling — support both immediate incident response and long-term grid resilience planning. Field crews benefit from mobile GIS applications that deliver real-time outage mapping, optimized routing, and asset management capabilities directly to their devices. The practical benefits include reduced restoration times, improved resource allocation, enhanced stakeholder communication through web-based outage maps, and data-driven infrastructure investment decisions. As smart grid technologies generate increasingly granular geospatial data, GIS remains an indispensable tool for managing and mitigating power outage impacts.